[PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Marek Vasut]

In preparation for removing MTD partitioning from the DTs and moving
it over to kernel command line partition parsing, enable the support
for kernel command line MTD partition parsing.

The argument for not having MTD partitions in the DT is the same as
for not having hard drive partitions in DT, neither describes the
hardware itself, so it shouldn't be in the DT. Furthermore, kernel
command line MTD partition passing allows greater flexibility in
case someone decided to repartition the flash, which is well in the
realm of possibility with these systems.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/configs/shmobile_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index b49887e86a3d..4d0d5a00a188 100644
--- a/arch/arm/configs/shmobile_defconfig
+++ b/arch/arm/configs/shmobile_defconfig
@@ -64,6 +64,7 @@ CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=64
 CONFIG_SIMPLE_PM_BUS=y
 CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_M25P80=y
 CONFIG_MTD_SPI_NOR=y
-- 
2.16.2

[PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Marek Vasut]

In preparation for removing MTD partitioning from the DTs and moving
it over to kernel command line partition parsing, enable the support
for kernel command line MTD partition parsing.

The argument for not having MTD partitions in the DT is the same as
for not having hard drive partitions in DT, neither describes the
hardware itself, so it shouldn't be in the DT. Furthermore, kernel
command line MTD partition passing allows greater flexibility in
case someone decided to repartition the flash, which is well in the
realm of possibility with these systems.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/configs/shmobile_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index b49887e86a3d..4d0d5a00a188 100644
--- a/arch/arm/configs/shmobile_defconfig
+++ b/arch/arm/configs/shmobile_defconfig
@@ -64,6 +64,7 @@ CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=64
 CONFIG_SIMPLE_PM_BUS=y
 CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_M25P80=y
 CONFIG_MTD_SPI_NOR=y
-- 
2.16.2

[PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Marek Vasut]

In preparation for removing MTD partitioning from the DTs and moving
it over to kernel command line partition parsing, enable the support
for kernel command line MTD partition parsing.

The argument for not having MTD partitions in the DT is the same as
for not having hard drive partitions in DT, neither describes the
hardware itself, so it shouldn't be in the DT. Furthermore, kernel
command line MTD partition passing allows greater flexibility in
case someone decided to repartition the flash, which is well in the
realm of possibility with these systems.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc at vger.kernel.org
---
 arch/arm/configs/shmobile_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index b49887e86a3d..4d0d5a00a188 100644
--- a/arch/arm/configs/shmobile_defconfig
+++ b/arch/arm/configs/shmobile_defconfig
@@ -64,6 +64,7 @@ CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=64
 CONFIG_SIMPLE_PM_BUS=y
 CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_M25P80=y
 CONFIG_MTD_SPI_NOR=y
-- 
2.16.2

[PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7790-lager.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 092610e3f953..7c95e62efd46 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -710,27 +710,6 @@
 		spi-cpha;
 		spi-cpol;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition@440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7790-lager.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 092610e3f953..7c95e62efd46 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -710,27 +710,6 @@
 		spi-cpha;
 		spi-cpol;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition@440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc at vger.kernel.org
---
 arch/arm/boot/dts/r8a7790-lager.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 092610e3f953..7c95e62efd46 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -710,27 +710,6 @@
 		spi-cpha;
 		spi-cpol;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition at 0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition at 40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition at 440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 3/9] ARM: dts: stout: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:512k@0(loader),256k(uboot),256k(uboot-env),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7790-stout.dts | 26 --------------------------
 1 file changed, 26 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7790-stout.dts b/arch/arm/boot/dts/r8a7790-stout.dts
index a13a92c26645..dc65519d53ab 100644
--- a/arch/arm/boot/dts/r8a7790-stout.dts
+++ b/arch/arm/boot/dts/r8a7790-stout.dts
@@ -211,32 +211,6 @@
 		spi-cpha;
 		spi-cpol;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00080000>;
-				read-only;
-			};
-			partition@80000 {
-				label = "uboot";
-				reg = <0x00080000 0x00040000>;
-				read-only;
-			};
-			partition@c0000 {
-				label = "uboot-env";
-				reg = <0x000c0000 0x00040000>;
-				read-only;
-			};
-			partition@100000 {
-				label = "flash";
-				reg = <0x00100000 0x03f00000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 3/9] ARM: dts: stout: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:512k@0(loader),256k(uboot),256k(uboot-env),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7790-stout.dts | 26 --------------------------
 1 file changed, 26 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7790-stout.dts b/arch/arm/boot/dts/r8a7790-stout.dts
index a13a92c26645..dc65519d53ab 100644
--- a/arch/arm/boot/dts/r8a7790-stout.dts
+++ b/arch/arm/boot/dts/r8a7790-stout.dts
@@ -211,32 +211,6 @@
 		spi-cpha;
 		spi-cpol;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00080000>;
-				read-only;
-			};
-			partition@80000 {
-				label = "uboot";
-				reg = <0x00080000 0x00040000>;
-				read-only;
-			};
-			partition@c0000 {
-				label = "uboot-env";
-				reg = <0x000c0000 0x00040000>;
-				read-only;
-			};
-			partition@100000 {
-				label = "flash";
-				reg = <0x00100000 0x03f00000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 3/9] ARM: dts: stout: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:512k at 0(loader),256k(uboot),256k(uboot-env),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc at vger.kernel.org
---
 arch/arm/boot/dts/r8a7790-stout.dts | 26 --------------------------
 1 file changed, 26 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7790-stout.dts b/arch/arm/boot/dts/r8a7790-stout.dts
index a13a92c26645..dc65519d53ab 100644
--- a/arch/arm/boot/dts/r8a7790-stout.dts
+++ b/arch/arm/boot/dts/r8a7790-stout.dts
@@ -211,32 +211,6 @@
 		spi-cpha;
 		spi-cpol;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition at 0 {
-				label = "loader";
-				reg = <0x00000000 0x00080000>;
-				read-only;
-			};
-			partition at 80000 {
-				label = "uboot";
-				reg = <0x00080000 0x00040000>;
-				read-only;
-			};
-			partition at c0000 {
-				label = "uboot-env";
-				reg = <0x000c0000 0x00040000>;
-				read-only;
-			};
-			partition at 100000 {
-				label = "flash";
-				reg = <0x00100000 0x03f00000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 4/9] ARM: dts: koelsch: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:512k@0(loader),5632k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7791-koelsch.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 8ab793d8b2fd..406d5d29e29c 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -724,27 +724,6 @@
 		spi-cpha;
 		spi-cpol;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00080000>;
-				read-only;
-			};
-			partition@80000 {
-				label = "user";
-				reg = <0x00080000 0x00580000>;
-				read-only;
-			};
-			partition@600000 {
-				label = "flash";
-				reg = <0x00600000 0x03a00000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 4/9] ARM: dts: koelsch: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:512k@0(loader),5632k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7791-koelsch.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 8ab793d8b2fd..406d5d29e29c 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -724,27 +724,6 @@
 		spi-cpha;
 		spi-cpol;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00080000>;
-				read-only;
-			};
-			partition@80000 {
-				label = "user";
-				reg = <0x00080000 0x00580000>;
-				read-only;
-			};
-			partition@600000 {
-				label = "flash";
-				reg = <0x00600000 0x03a00000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 4/9] ARM: dts: koelsch: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:512k at 0(loader),5632k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc at vger.kernel.org
---
 arch/arm/boot/dts/r8a7791-koelsch.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 8ab793d8b2fd..406d5d29e29c 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -724,27 +724,6 @@
 		spi-cpha;
 		spi-cpol;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition at 0 {
-				label = "loader";
-				reg = <0x00000000 0x00080000>;
-				read-only;
-			};
-			partition at 80000 {
-				label = "user";
-				reg = <0x00080000 0x00580000>;
-				read-only;
-			};
-			partition at 600000 {
-				label = "flash";
-				reg = <0x00600000 0x03a00000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 5/9] ARM: dts: porter: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader_prg),4096k(user_prg),-(flash_fs)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7791-porter.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts
index a01101b49d99..45d89e064407 100644
--- a/arch/arm/boot/dts/r8a7791-porter.dts
+++ b/arch/arm/boot/dts/r8a7791-porter.dts
@@ -344,27 +344,6 @@
 		spi-tx-bus-width = <4>;
 		spi-rx-bus-width = <4>;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader_prg";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "user_prg";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition@440000 {
-				label = "flash_fs";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 5/9] ARM: dts: porter: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader_prg),4096k(user_prg),-(flash_fs)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7791-porter.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts
index a01101b49d99..45d89e064407 100644
--- a/arch/arm/boot/dts/r8a7791-porter.dts
+++ b/arch/arm/boot/dts/r8a7791-porter.dts
@@ -344,27 +344,6 @@
 		spi-tx-bus-width = <4>;
 		spi-rx-bus-width = <4>;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader_prg";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "user_prg";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition@440000 {
-				label = "flash_fs";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 5/9] ARM: dts: porter: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k at 0(loader_prg),4096k(user_prg),-(flash_fs)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc at vger.kernel.org
---
 arch/arm/boot/dts/r8a7791-porter.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts
index a01101b49d99..45d89e064407 100644
--- a/arch/arm/boot/dts/r8a7791-porter.dts
+++ b/arch/arm/boot/dts/r8a7791-porter.dts
@@ -344,27 +344,6 @@
 		spi-tx-bus-width = <4>;
 		spi-rx-bus-width = <4>;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition at 0 {
-				label = "loader_prg";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition at 40000 {
-				label = "user_prg";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition at 440000 {
-				label = "flash_fs";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7792-wheat.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7792-wheat.dts b/arch/arm/boot/dts/r8a7792-wheat.dts
index db01de7a3811..93f78716225a 100644
--- a/arch/arm/boot/dts/r8a7792-wheat.dts
+++ b/arch/arm/boot/dts/r8a7792-wheat.dts
@@ -217,27 +217,6 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition@440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7792-wheat.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7792-wheat.dts b/arch/arm/boot/dts/r8a7792-wheat.dts
index db01de7a3811..93f78716225a 100644
--- a/arch/arm/boot/dts/r8a7792-wheat.dts
+++ b/arch/arm/boot/dts/r8a7792-wheat.dts
@@ -217,27 +217,6 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition@440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc at vger.kernel.org
---
 arch/arm/boot/dts/r8a7792-wheat.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7792-wheat.dts b/arch/arm/boot/dts/r8a7792-wheat.dts
index db01de7a3811..93f78716225a 100644
--- a/arch/arm/boot/dts/r8a7792-wheat.dts
+++ b/arch/arm/boot/dts/r8a7792-wheat.dts
@@ -217,27 +217,6 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition at 0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition at 40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition at 440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 7/9] ARM: dts: gose: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7793-gose.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index aa209f6e5d71..b2dd54fbe40c 100644
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -676,27 +676,6 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition@440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 7/9] ARM: dts: gose: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7793-gose.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index aa209f6e5d71..b2dd54fbe40c 100644
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -676,27 +676,6 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition@440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 7/9] ARM: dts: gose: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc at vger.kernel.org
---
 arch/arm/boot/dts/r8a7793-gose.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index aa209f6e5d71..b2dd54fbe40c 100644
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -676,27 +676,6 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition at 0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition at 40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition at 440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 8/9] ARM: dts: alt: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader),256k(system),-(user)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7794-alt.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts
index e17027532941..1d044ed598f3 100644
--- a/arch/arm/boot/dts/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/r8a7794-alt.dts
@@ -419,26 +419,5 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "system";
-				reg = <0x00040000 0x00040000>;
-				read-only;
-			};
-			partition@80000 {
-				label = "user";
-				reg = <0x00080000 0x03f80000>;
-			};
-		};
 	};
 };
-- 
2.16.2

[PATCH 8/9] ARM: dts: alt: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader),256k(system),-(user)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7794-alt.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts
index e17027532941..1d044ed598f3 100644
--- a/arch/arm/boot/dts/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/r8a7794-alt.dts
@@ -419,26 +419,5 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "system";
-				reg = <0x00040000 0x00040000>;
-				read-only;
-			};
-			partition@80000 {
-				label = "user";
-				reg = <0x00080000 0x03f80000>;
-			};
-		};
 	};
 };
-- 
2.16.2

[PATCH 8/9] ARM: dts: alt: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k at 0(loader),256k(system),-(user)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc at vger.kernel.org
---
 arch/arm/boot/dts/r8a7794-alt.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7794-alt.dts b/arch/arm/boot/dts/r8a7794-alt.dts
index e17027532941..1d044ed598f3 100644
--- a/arch/arm/boot/dts/r8a7794-alt.dts
+++ b/arch/arm/boot/dts/r8a7794-alt.dts
@@ -419,26 +419,5 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition at 0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition at 40000 {
-				label = "system";
-				reg = <0x00040000 0x00040000>;
-				read-only;
-			};
-			partition at 80000 {
-				label = "user";
-				reg = <0x00080000 0x03f80000>;
-			};
-		};
 	};
 };
-- 
2.16.2

[PATCH 9/9] ARM: dts: silk: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7794-silk.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7794-silk.dts b/arch/arm/boot/dts/r8a7794-silk.dts
index 7808aaee6644..b8163a0e2190 100644
--- a/arch/arm/boot/dts/r8a7794-silk.dts
+++ b/arch/arm/boot/dts/r8a7794-silk.dts
@@ -444,27 +444,6 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition@440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 9/9] ARM: dts: silk: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc@vger.kernel.org
---
 arch/arm/boot/dts/r8a7794-silk.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7794-silk.dts b/arch/arm/boot/dts/r8a7794-silk.dts
index 7808aaee6644..b8163a0e2190 100644
--- a/arch/arm/boot/dts/r8a7794-silk.dts
+++ b/arch/arm/boot/dts/r8a7794-silk.dts
@@ -444,27 +444,6 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition@40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition@440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

[PATCH 9/9] ARM: dts: silk: Drop MTD partitioning from DT

[Marek Vasut]

Drop the MTD partitioning from DT, since it does not describe HW
and to give way to a more flexible kernel command line partition
passing.

To retain the original partitioning, assure you have enabled
CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
following to your kernel command line:

  mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-renesas-soc at vger.kernel.org
---
 arch/arm/boot/dts/r8a7794-silk.dts | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7794-silk.dts b/arch/arm/boot/dts/r8a7794-silk.dts
index 7808aaee6644..b8163a0e2190 100644
--- a/arch/arm/boot/dts/r8a7794-silk.dts
+++ b/arch/arm/boot/dts/r8a7794-silk.dts
@@ -444,27 +444,6 @@
 		spi-cpol;
 		spi-cpha;
 		m25p,fast-read;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition at 0 {
-				label = "loader";
-				reg = <0x00000000 0x00040000>;
-				read-only;
-			};
-			partition at 40000 {
-				label = "user";
-				reg = <0x00040000 0x00400000>;
-				read-only;
-			};
-			partition at 440000 {
-				label = "flash";
-				reg = <0x00440000 0x03bc0000>;
-			};
-		};
 	};
 };
 
-- 
2.16.2

Re: [PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 813 bytes --]

On Tue, May 22, 2018 at 02:02:49PM +0200, Marek Vasut wrote:
> In preparation for removing MTD partitioning from the DTs and moving
> it over to kernel command line partition parsing, enable the support
> for kernel command line MTD partition parsing.
> 
> The argument for not having MTD partitions in the DT is the same as
> for not having hard drive partitions in DT, neither describes the
> hardware itself, so it shouldn't be in the DT. Furthermore, kernel
> command line MTD partition passing allows greater flexibility in
> case someone decided to repartition the flash, which is well in the
> realm of possibility with these systems.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Makes a lot of sense to me.

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 813 bytes --]

On Tue, May 22, 2018 at 02:02:49PM +0200, Marek Vasut wrote:
> In preparation for removing MTD partitioning from the DTs and moving
> it over to kernel command line partition parsing, enable the support
> for kernel command line MTD partition parsing.
> 
> The argument for not having MTD partitions in the DT is the same as
> for not having hard drive partitions in DT, neither describes the
> hardware itself, so it shouldn't be in the DT. Furthermore, kernel
> command line MTD partition passing allows greater flexibility in
> case someone decided to repartition the flash, which is well in the
> realm of possibility with these systems.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Makes a lot of sense to me.

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


[-- Attachment #2: signature.asc --]
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[PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Wolfram Sang]

On Tue, May 22, 2018 at 02:02:49PM +0200, Marek Vasut wrote:
> In preparation for removing MTD partitioning from the DTs and moving
> it over to kernel command line partition parsing, enable the support
> for kernel command line MTD partition parsing.
> 
> The argument for not having MTD partitions in the DT is the same as
> for not having hard drive partitions in DT, neither describes the
> hardware itself, so it shouldn't be in the DT. Furthermore, kernel
> command line MTD partition passing allows greater flexibility in
> case someone decided to repartition the flash, which is well in the
> realm of possibility with these systems.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Makes a lot of sense to me.

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

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Re: [PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 814 bytes --]

On Tue, May 22, 2018 at 02:02:50PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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[-- Type: application/pgp-signature, Size: 833 bytes --]

[-- Attachment #2: Type: text/plain, Size: 176 bytes --]

_______________________________________________
linux-arm-kernel mailing list
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 814 bytes --]

On Tue, May 22, 2018 at 02:02:50PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

[PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Wolfram Sang]

On Tue, May 22, 2018 at 02:02:50PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc at vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

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Re: [PATCH 3/9] ARM: dts: stout: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 830 bytes --]

On Tue, May 22, 2018 at 02:02:51PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:512k@0(loader),256k(uboot),256k(uboot-env),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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Re: [PATCH 3/9] ARM: dts: stout: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 830 bytes --]

On Tue, May 22, 2018 at 02:02:51PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:512k@0(loader),256k(uboot),256k(uboot-env),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


[-- Attachment #2: signature.asc --]
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[PATCH 3/9] ARM: dts: stout: Drop MTD partitioning from DT

[Wolfram Sang]

On Tue, May 22, 2018 at 02:02:51PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:512k at 0(loader),256k(uboot),256k(uboot-env),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc at vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

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Re: [PATCH 4/9] ARM: dts: koelsch: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 814 bytes --]

On Tue, May 22, 2018 at 02:02:52PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:512k@0(loader),5632k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH 4/9] ARM: dts: koelsch: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 814 bytes --]

On Tue, May 22, 2018 at 02:02:52PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:512k@0(loader),5632k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


[-- Attachment #2: signature.asc --]
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[PATCH 4/9] ARM: dts: koelsch: Drop MTD partitioning from DT

[Wolfram Sang]

On Tue, May 22, 2018 at 02:02:52PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:512k at 0(loader),5632k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc at vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

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Re: [PATCH 5/9] ARM: dts: porter: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 825 bytes --]

On Tue, May 22, 2018 at 02:02:53PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader_prg),4096k(user_prg),-(flash_fs)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


[-- Attachment #1.2: signature.asc --]
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Re: [PATCH 5/9] ARM: dts: porter: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 825 bytes --]

On Tue, May 22, 2018 at 02:02:53PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader_prg),4096k(user_prg),-(flash_fs)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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[PATCH 5/9] ARM: dts: porter: Drop MTD partitioning from DT

[Wolfram Sang]

On Tue, May 22, 2018 at 02:02:53PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k at 0(loader_prg),4096k(user_prg),-(flash_fs)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc at vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

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Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Wolfram Sang]

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On Tue, May 22, 2018 at 02:02:54PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 814 bytes --]

On Tue, May 22, 2018 at 02:02:54PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Wolfram Sang]

On Tue, May 22, 2018 at 02:02:54PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc at vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

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Re: [PATCH 7/9] ARM: dts: gose: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 814 bytes --]

On Tue, May 22, 2018 at 02:02:55PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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_______________________________________________
linux-arm-kernel mailing list
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH 7/9] ARM: dts: gose: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 814 bytes --]

On Tue, May 22, 2018 at 02:02:55PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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[PATCH 7/9] ARM: dts: gose: Drop MTD partitioning from DT

[Wolfram Sang]

On Tue, May 22, 2018 at 02:02:55PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc at vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

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Re: [PATCH 8/9] ARM: dts: alt: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1.1: Type: text/plain, Size: 814 bytes --]

On Tue, May 22, 2018 at 02:02:56PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader),256k(system),-(user)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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_______________________________________________
linux-arm-kernel mailing list
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH 8/9] ARM: dts: alt: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 814 bytes --]

On Tue, May 22, 2018 at 02:02:56PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader),256k(system),-(user)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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[PATCH 8/9] ARM: dts: alt: Drop MTD partitioning from DT

[Wolfram Sang]

On Tue, May 22, 2018 at 02:02:56PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k at 0(loader),256k(system),-(user)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc at vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

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Re: [PATCH 9/9] ARM: dts: silk: Drop MTD partitioning from DT

[Wolfram Sang]

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On Tue, May 22, 2018 at 02:02:57PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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_______________________________________________
linux-arm-kernel mailing list
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH 9/9] ARM: dts: silk: Drop MTD partitioning from DT

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 814 bytes --]

On Tue, May 22, 2018 at 02:02:57PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc@vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>


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[PATCH 9/9] ARM: dts: silk: Drop MTD partitioning from DT

[Wolfram Sang]

On Tue, May 22, 2018 at 02:02:57PM +0200, Marek Vasut wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
> 
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
> 
>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: linux-renesas-soc at vger.kernel.org

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

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Re: [PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> In preparation for removing MTD partitioning from the DTs and moving
> it over to kernel command line partition parsing, enable the support
> for kernel command line MTD partition parsing.
>
> The argument for not having MTD partitions in the DT is the same as
> for not having hard drive partitions in DT, neither describes the
> hardware itself, so it shouldn't be in the DT. Furthermore, kernel
> command line MTD partition passing allows greater flexibility in
> case someone decided to repartition the flash, which is well in the
> realm of possibility with these systems.
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> In preparation for removing MTD partitioning from the DTs and moving
> it over to kernel command line partition parsing, enable the support
> for kernel command line MTD partition parsing.
>
> The argument for not having MTD partitions in the DT is the same as
> for not having hard drive partitions in DT, neither describes the
> hardware itself, so it shouldn't be in the DT. Furthermore, kernel
> command line MTD partition passing allows greater flexibility in
> case someone decided to repartition the flash, which is well in the
> realm of possibility with these systems.
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> In preparation for removing MTD partitioning from the DTs and moving
> it over to kernel command line partition parsing, enable the support
> for kernel command line MTD partition parsing.
>
> The argument for not having MTD partitions in the DT is the same as
> for not having hard drive partitions in DT, neither describes the
> hardware itself, so it shouldn't be in the DT. Furthermore, kernel
> command line MTD partition passing allows greater flexibility in
> case someone decided to repartition the flash, which is well in the
> realm of possibility with these systems.
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 4/9] ARM: dts: koelsch: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:512k@0(loader),5632k(user),-(flash)
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 4/9] ARM: dts: koelsch: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:512k@0(loader),5632k(user),-(flash)
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 4/9] ARM: dts: koelsch: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:512k at 0(loader),5632k(user),-(flash)
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

I guess s/4096k/4m/ works, too?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

I guess s/4096k/4m/ works, too?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)

I guess s/4096k/4m/ works, too?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 3/9] ARM: dts: stout: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:512k@0(loader),256k(uboot),256k(uboot-env),-(flash)
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 3/9] ARM: dts: stout: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:512k@0(loader),256k(uboot),256k(uboot-env),-(flash)
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 3/9] ARM: dts: stout: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:512k at 0(loader),256k(uboot),256k(uboot-env),-(flash)
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 5/9] ARM: dts: porter: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader_prg),4096k(user_prg),-(flash_fs)

4m?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 5/9] ARM: dts: porter: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader_prg),4096k(user_prg),-(flash_fs)

4m?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 5/9] ARM: dts: porter: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k at 0(loader_prg),4096k(user_prg),-(flash_fs)

4m?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

I think the "@0" can be dropped, as it's optional?
4m?

(Gaining more knowledge during reviewing ;-)

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

I think the "@0" can be dropped, as it's optional?
4m?

(Gaining more knowledge during reviewing ;-)

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)

I think the "@0" can be dropped, as it's optional?
4m?

(Gaining more knowledge during reviewing ;-)

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 7/9] ARM: dts: gose: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Drop @0? 4m?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 7/9] ARM: dts: gose: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Drop @0? 4m?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 7/9] ARM: dts: gose: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)

Drop @0? 4m?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 8/9] ARM: dts: alt: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader),256k(system),-(user)

Drop @0?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 8/9] ARM: dts: alt: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader),256k(system),-(user)

Drop @0?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 8/9] ARM: dts: alt: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k at 0(loader),256k(system),-(user)

Drop @0?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 9/9] ARM: dts: silk: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Drop @0?
4m?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 9/9] ARM: dts: silk: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Drop @0?
4m?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 9/9] ARM: dts: silk: Drop MTD partitioning from DT

[Geert Uytterhoeven]

On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> Drop the MTD partitioning from DT, since it does not describe HW
> and to give way to a more flexible kernel command line partition
> passing.
>
> To retain the original partitioning, assure you have enabled
> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> following to your kernel command line:
>
>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)

Drop @0?
4m?

> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Marek Vasut]

On 05/22/2018 04:32 PM, Geert Uytterhoeven wrote:
> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> Drop the MTD partitioning from DT, since it does not describe HW
>> and to give way to a more flexible kernel command line partition
>> passing.
>>
>> To retain the original partitioning, assure you have enabled
>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>> following to your kernel command line:
>>
>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> I guess s/4096k/4m/ works, too?

Yes, but all the other boards use nnn k, so let's stick with k . I don't
want one value to stick out like a sore thumb.

>> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 


-- 
Best regards,
Marek Vasut

Re: [PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Marek Vasut]

On 05/22/2018 04:32 PM, Geert Uytterhoeven wrote:
> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> Drop the MTD partitioning from DT, since it does not describe HW
>> and to give way to a more flexible kernel command line partition
>> passing.
>>
>> To retain the original partitioning, assure you have enabled
>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>> following to your kernel command line:
>>
>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> I guess s/4096k/4m/ works, too?

Yes, but all the other boards use nnn k, so let's stick with k . I don't
want one value to stick out like a sore thumb.

>> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 


-- 
Best regards,
Marek Vasut

[PATCH 2/9] ARM: dts: lager: Drop MTD partitioning from DT

[Marek Vasut]

On 05/22/2018 04:32 PM, Geert Uytterhoeven wrote:
> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> Drop the MTD partitioning from DT, since it does not describe HW
>> and to give way to a more flexible kernel command line partition
>> passing.
>>
>> To retain the original partitioning, assure you have enabled
>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>> following to your kernel command line:
>>
>>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> 
> I guess s/4096k/4m/ works, too?

Yes, but all the other boards use nnn k, so let's stick with k . I don't
want one value to stick out like a sore thumb.

>> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> 
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 


-- 
Best regards,
Marek Vasut

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> Drop the MTD partitioning from DT, since it does not describe HW
>> and to give way to a more flexible kernel command line partition
>> passing.
>>
>> To retain the original partitioning, assure you have enabled
>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>> following to your kernel command line:
>>
>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> I think the "@0" can be dropped, as it's optional?
> 4m?

My take on this is that the loader is actually at offset 0x0 of the MTD
device and we explicitly state that in the mtdparts to anchor the first
partition within the MTD device and all the other partitions are at
offset +(sum of the sizes of all partitions listed before the current
one) relative to that first partition.

Removing the @0 feels fragile at best and it seems to depend on the
current behavior of the code.

> (Gaining more knowledge during reviewing ;-)
> 
>> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 


-- 
Best regards,
Marek Vasut

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> Drop the MTD partitioning from DT, since it does not describe HW
>> and to give way to a more flexible kernel command line partition
>> passing.
>>
>> To retain the original partitioning, assure you have enabled
>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>> following to your kernel command line:
>>
>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> I think the "@0" can be dropped, as it's optional?
> 4m?

My take on this is that the loader is actually at offset 0x0 of the MTD
device and we explicitly state that in the mtdparts to anchor the first
partition within the MTD device and all the other partitions are at
offset +(sum of the sizes of all partitions listed before the current
one) relative to that first partition.

Removing the @0 feels fragile at best and it seems to depend on the
current behavior of the code.

> (Gaining more knowledge during reviewing ;-)
> 
>> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 


-- 
Best regards,
Marek Vasut

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> Drop the MTD partitioning from DT, since it does not describe HW
>> and to give way to a more flexible kernel command line partition
>> passing.
>>
>> To retain the original partitioning, assure you have enabled
>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>> following to your kernel command line:
>>
>>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> 
> I think the "@0" can be dropped, as it's optional?
> 4m?

My take on this is that the loader is actually at offset 0x0 of the MTD
device and we explicitly state that in the mtdparts to anchor the first
partition within the MTD device and all the other partitions are at
offset +(sum of the sizes of all partitions listed before the current
one) relative to that first partition.

Removing the @0 feels fragile at best and it seems to depend on the
current behavior of the code.

> (Gaining more knowledge during reviewing ;-)
> 
>> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 


-- 
Best regards,
Marek Vasut

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Geert Uytterhoeven]

Hi Marek,

On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>> Drop the MTD partitioning from DT, since it does not describe HW
>>> and to give way to a more flexible kernel command line partition
>>> passing.
>>>
>>> To retain the original partitioning, assure you have enabled
>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>>> following to your kernel command line:
>>>
>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
>>
>> I think the "@0" can be dropped, as it's optional?
>> 4m?
>
> My take on this is that the loader is actually at offset 0x0 of the MTD
> device and we explicitly state that in the mtdparts to anchor the first
> partition within the MTD device and all the other partitions are at
> offset +(sum of the sizes of all partitions listed before the current
> one) relative to that first partition.

Where is this explicitly states for the first partition?

> Removing the @0 feels fragile at best and it seems to depend on the
> current behavior of the code.

Better, it also depends on the documented behavior:

Documentation/admin-guide/kernel-parameters.txt refers to
drivers/mtd/cmdlinepart.c, which states:

 * <offset>  := standard linux memsize
 *              if omitted the part will immediately follow the previous part
 *              or 0 if the first part

None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
help text, or in a defconfig bundled with the kernel, use @0 for the first
partition.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Geert Uytterhoeven]

Hi Marek,

On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>> Drop the MTD partitioning from DT, since it does not describe HW
>>> and to give way to a more flexible kernel command line partition
>>> passing.
>>>
>>> To retain the original partitioning, assure you have enabled
>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>>> following to your kernel command line:
>>>
>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
>>
>> I think the "@0" can be dropped, as it's optional?
>> 4m?
>
> My take on this is that the loader is actually at offset 0x0 of the MTD
> device and we explicitly state that in the mtdparts to anchor the first
> partition within the MTD device and all the other partitions are at
> offset +(sum of the sizes of all partitions listed before the current
> one) relative to that first partition.

Where is this explicitly states for the first partition?

> Removing the @0 feels fragile at best and it seems to depend on the
> current behavior of the code.

Better, it also depends on the documented behavior:

Documentation/admin-guide/kernel-parameters.txt refers to
drivers/mtd/cmdlinepart.c, which states:

 * <offset>  := standard linux memsize
 *              if omitted the part will immediately follow the previous part
 *              or 0 if the first part

None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
help text, or in a defconfig bundled with the kernel, use @0 for the first
partition.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Geert Uytterhoeven]

Hi Marek,

On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>> Drop the MTD partitioning from DT, since it does not describe HW
>>> and to give way to a more flexible kernel command line partition
>>> passing.
>>>
>>> To retain the original partitioning, assure you have enabled
>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>>> following to your kernel command line:
>>>
>>>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
>>
>> I think the "@0" can be dropped, as it's optional?
>> 4m?
>
> My take on this is that the loader is actually at offset 0x0 of the MTD
> device and we explicitly state that in the mtdparts to anchor the first
> partition within the MTD device and all the other partitions are at
> offset +(sum of the sizes of all partitions listed before the current
> one) relative to that first partition.

Where is this explicitly states for the first partition?

> Removing the @0 feels fragile at best and it seems to depend on the
> current behavior of the code.

Better, it also depends on the documented behavior:

Documentation/admin-guide/kernel-parameters.txt refers to
drivers/mtd/cmdlinepart.c, which states:

 * <offset>  := standard linux memsize
 *              if omitted the part will immediately follow the previous part
 *              or 0 if the first part

None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
help text, or in a defconfig bundled with the kernel, use @0 for the first
partition.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> Hi Marek,
> 
> On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>>> Drop the MTD partitioning from DT, since it does not describe HW
>>>> and to give way to a more flexible kernel command line partition
>>>> passing.
>>>>
>>>> To retain the original partitioning, assure you have enabled
>>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>>>> following to your kernel command line:
>>>>
>>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
>>>
>>> I think the "@0" can be dropped, as it's optional?
>>> 4m?
>>
>> My take on this is that the loader is actually at offset 0x0 of the MTD
>> device and we explicitly state that in the mtdparts to anchor the first
>> partition within the MTD device and all the other partitions are at
>> offset +(sum of the sizes of all partitions listed before the current
>> one) relative to that first partition.
> 
> Where is this explicitly states for the first partition?
> 
>> Removing the @0 feels fragile at best and it seems to depend on the
>> current behavior of the code.
> 
> Better, it also depends on the documented behavior:
> 
> Documentation/admin-guide/kernel-parameters.txt refers to
> drivers/mtd/cmdlinepart.c, which states:
> 
>  * <offset>  := standard linux memsize
>  *              if omitted the part will immediately follow the previous part
>  *              or 0 if the first part
> 
> None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> help text, or in a defconfig bundled with the kernel, use @0 for the first
> partition.

I think this is exceptionally fragile and dangerous to depend on this,
but so be it.

-- 
Best regards,
Marek Vasut

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> Hi Marek,
> 
> On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>>> Drop the MTD partitioning from DT, since it does not describe HW
>>>> and to give way to a more flexible kernel command line partition
>>>> passing.
>>>>
>>>> To retain the original partitioning, assure you have enabled
>>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>>>> following to your kernel command line:
>>>>
>>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
>>>
>>> I think the "@0" can be dropped, as it's optional?
>>> 4m?
>>
>> My take on this is that the loader is actually at offset 0x0 of the MTD
>> device and we explicitly state that in the mtdparts to anchor the first
>> partition within the MTD device and all the other partitions are at
>> offset +(sum of the sizes of all partitions listed before the current
>> one) relative to that first partition.
> 
> Where is this explicitly states for the first partition?
> 
>> Removing the @0 feels fragile at best and it seems to depend on the
>> current behavior of the code.
> 
> Better, it also depends on the documented behavior:
> 
> Documentation/admin-guide/kernel-parameters.txt refers to
> drivers/mtd/cmdlinepart.c, which states:
> 
>  * <offset>  := standard linux memsize
>  *              if omitted the part will immediately follow the previous part
>  *              or 0 if the first part
> 
> None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> help text, or in a defconfig bundled with the kernel, use @0 for the first
> partition.

I think this is exceptionally fragile and dangerous to depend on this,
but so be it.

-- 
Best regards,
Marek Vasut

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> Hi Marek,
> 
> On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>>> Drop the MTD partitioning from DT, since it does not describe HW
>>>> and to give way to a more flexible kernel command line partition
>>>> passing.
>>>>
>>>> To retain the original partitioning, assure you have enabled
>>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>>>> following to your kernel command line:
>>>>
>>>>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
>>>
>>> I think the "@0" can be dropped, as it's optional?
>>> 4m?
>>
>> My take on this is that the loader is actually at offset 0x0 of the MTD
>> device and we explicitly state that in the mtdparts to anchor the first
>> partition within the MTD device and all the other partitions are at
>> offset +(sum of the sizes of all partitions listed before the current
>> one) relative to that first partition.
> 
> Where is this explicitly states for the first partition?
> 
>> Removing the @0 feels fragile at best and it seems to depend on the
>> current behavior of the code.
> 
> Better, it also depends on the documented behavior:
> 
> Documentation/admin-guide/kernel-parameters.txt refers to
> drivers/mtd/cmdlinepart.c, which states:
> 
>  * <offset>  := standard linux memsize
>  *              if omitted the part will immediately follow the previous part
>  *              or 0 if the first part
> 
> None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> help text, or in a defconfig bundled with the kernel, use @0 for the first
> partition.

I think this is exceptionally fragile and dangerous to depend on this,
but so be it.

-- 
Best regards,
Marek Vasut

Re: [PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Simon Horman]

On Tue, May 22, 2018 at 02:02:49PM +0200, Marek Vasut wrote:
> In preparation for removing MTD partitioning from the DTs and moving
> it over to kernel command line partition parsing, enable the support
> for kernel command line MTD partition parsing.
> 
> The argument for not having MTD partitions in the DT is the same as
> for not having hard drive partitions in DT, neither describes the
> hardware itself, so it shouldn't be in the DT. Furthermore, kernel
> command line MTD partition passing allows greater flexibility in
> case someone decided to repartition the flash, which is well in the
> realm of possibility with these systems.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Thanks, applied.

Re: [PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Simon Horman]

On Tue, May 22, 2018 at 02:02:49PM +0200, Marek Vasut wrote:
> In preparation for removing MTD partitioning from the DTs and moving
> it over to kernel command line partition parsing, enable the support
> for kernel command line MTD partition parsing.
> 
> The argument for not having MTD partitions in the DT is the same as
> for not having hard drive partitions in DT, neither describes the
> hardware itself, so it shouldn't be in the DT. Furthermore, kernel
> command line MTD partition passing allows greater flexibility in
> case someone decided to repartition the flash, which is well in the
> realm of possibility with these systems.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Thanks, applied.

[PATCH 1/9] ARM: shmobile: defconfig: Enable MTD command line partition parsing

[Simon Horman]

On Tue, May 22, 2018 at 02:02:49PM +0200, Marek Vasut wrote:
> In preparation for removing MTD partitioning from the DTs and moving
> it over to kernel command line partition parsing, enable the support
> for kernel command line MTD partition parsing.
> 
> The argument for not having MTD partitions in the DT is the same as
> for not having hard drive partitions in DT, neither describes the
> hardware itself, so it shouldn't be in the DT. Furthermore, kernel
> command line MTD partition passing allows greater flexibility in
> case someone decided to repartition the flash, which is well in the
> realm of possibility with these systems.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>

Thanks, applied.

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Simon Horman]

On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> > Hi Marek,
> > 
> > On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> >>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >>>> Drop the MTD partitioning from DT, since it does not describe HW
> >>>> and to give way to a more flexible kernel command line partition
> >>>> passing.
> >>>>
> >>>> To retain the original partitioning, assure you have enabled
> >>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> >>>> following to your kernel command line:
> >>>>
> >>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> >>>
> >>> I think the "@0" can be dropped, as it's optional?
> >>> 4m?
> >>
> >> My take on this is that the loader is actually at offset 0x0 of the MTD
> >> device and we explicitly state that in the mtdparts to anchor the first
> >> partition within the MTD device and all the other partitions are at
> >> offset +(sum of the sizes of all partitions listed before the current
> >> one) relative to that first partition.
> > 
> > Where is this explicitly states for the first partition?
> > 
> >> Removing the @0 feels fragile at best and it seems to depend on the
> >> current behavior of the code.
> > 
> > Better, it also depends on the documented behavior:
> > 
> > Documentation/admin-guide/kernel-parameters.txt refers to
> > drivers/mtd/cmdlinepart.c, which states:
> > 
> >  * <offset>  := standard linux memsize
> >  *              if omitted the part will immediately follow the previous part
> >  *              or 0 if the first part
> > 
> > None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> > help text, or in a defconfig bundled with the kernel, use @0 for the first
> > partition.
> 
> I think this is exceptionally fragile and dangerous to depend on this,
> but so be it.

Could you respin with this change?

I would also like to ask for another change, in light of recent
feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
Updates for v4.18").

Please consolidate the dts patches into a single patch?

I have applied the defconfig patch, so there is no need to repost that one.

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Simon Horman]

On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> > Hi Marek,
> > 
> > On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> >>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >>>> Drop the MTD partitioning from DT, since it does not describe HW
> >>>> and to give way to a more flexible kernel command line partition
> >>>> passing.
> >>>>
> >>>> To retain the original partitioning, assure you have enabled
> >>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> >>>> following to your kernel command line:
> >>>>
> >>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> >>>
> >>> I think the "@0" can be dropped, as it's optional?
> >>> 4m?
> >>
> >> My take on this is that the loader is actually at offset 0x0 of the MTD
> >> device and we explicitly state that in the mtdparts to anchor the first
> >> partition within the MTD device and all the other partitions are at
> >> offset +(sum of the sizes of all partitions listed before the current
> >> one) relative to that first partition.
> > 
> > Where is this explicitly states for the first partition?
> > 
> >> Removing the @0 feels fragile at best and it seems to depend on the
> >> current behavior of the code.
> > 
> > Better, it also depends on the documented behavior:
> > 
> > Documentation/admin-guide/kernel-parameters.txt refers to
> > drivers/mtd/cmdlinepart.c, which states:
> > 
> >  * <offset>  := standard linux memsize
> >  *              if omitted the part will immediately follow the previous part
> >  *              or 0 if the first part
> > 
> > None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> > help text, or in a defconfig bundled with the kernel, use @0 for the first
> > partition.
> 
> I think this is exceptionally fragile and dangerous to depend on this,
> but so be it.

Could you respin with this change?

I would also like to ask for another change, in light of recent
feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
Updates for v4.18").

Please consolidate the dts patches into a single patch?

I have applied the defconfig patch, so there is no need to repost that one.

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Simon Horman]

On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> > Hi Marek,
> > 
> > On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> >>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >>>> Drop the MTD partitioning from DT, since it does not describe HW
> >>>> and to give way to a more flexible kernel command line partition
> >>>> passing.
> >>>>
> >>>> To retain the original partitioning, assure you have enabled
> >>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> >>>> following to your kernel command line:
> >>>>
> >>>>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> >>>
> >>> I think the "@0" can be dropped, as it's optional?
> >>> 4m?
> >>
> >> My take on this is that the loader is actually at offset 0x0 of the MTD
> >> device and we explicitly state that in the mtdparts to anchor the first
> >> partition within the MTD device and all the other partitions are at
> >> offset +(sum of the sizes of all partitions listed before the current
> >> one) relative to that first partition.
> > 
> > Where is this explicitly states for the first partition?
> > 
> >> Removing the @0 feels fragile at best and it seems to depend on the
> >> current behavior of the code.
> > 
> > Better, it also depends on the documented behavior:
> > 
> > Documentation/admin-guide/kernel-parameters.txt refers to
> > drivers/mtd/cmdlinepart.c, which states:
> > 
> >  * <offset>  := standard linux memsize
> >  *              if omitted the part will immediately follow the previous part
> >  *              or 0 if the first part
> > 
> > None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> > help text, or in a defconfig bundled with the kernel, use @0 for the first
> > partition.
> 
> I think this is exceptionally fragile and dangerous to depend on this,
> but so be it.

Could you respin with this change?

I would also like to ask for another change, in light of recent
feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
Updates for v4.18").

Please consolidate the dts patches into a single patch?

I have applied the defconfig patch, so there is no need to repost that one.

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Geert Uytterhoeven]

Hi Simon,

On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
> On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
>> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
>> > On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> >> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>> >>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> >>>> Drop the MTD partitioning from DT, since it does not describe HW
>> >>>> and to give way to a more flexible kernel command line partition
>> >>>> passing.
>> >>>>
>> >>>> To retain the original partitioning, assure you have enabled
>> >>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>> >>>> following to your kernel command line:
>> >>>>
>> >>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
>> >>>
>> >>> I think the "@0" can be dropped, as it's optional?
>> >>> 4m?
>> >>
>> >> My take on this is that the loader is actually at offset 0x0 of the MTD
>> >> device and we explicitly state that in the mtdparts to anchor the first
>> >> partition within the MTD device and all the other partitions are at
>> >> offset +(sum of the sizes of all partitions listed before the current
>> >> one) relative to that first partition.
>> >
>> > Where is this explicitly states for the first partition?
>> >
>> >> Removing the @0 feels fragile at best and it seems to depend on the
>> >> current behavior of the code.
>> >
>> > Better, it also depends on the documented behavior:
>> >
>> > Documentation/admin-guide/kernel-parameters.txt refers to
>> > drivers/mtd/cmdlinepart.c, which states:
>> >
>> >  * <offset>  := standard linux memsize
>> >  *              if omitted the part will immediately follow the previous part
>> >  *              or 0 if the first part
>> >
>> > None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
>> > help text, or in a defconfig bundled with the kernel, use @0 for the first
>> > partition.
>>
>> I think this is exceptionally fragile and dangerous to depend on this,
>> but so be it.
>
> Could you respin with this change?
>
> I would also like to ask for another change, in light of recent
> feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
> Updates for v4.18").
>
> Please consolidate the dts patches into a single patch?

I think it's better to keep them split, as each commit description mentions
what needs to be passed on the kernel command line for the corresponding
board.

Combining it in a single patch makes it much harder to extract this information.
Unless you're fine with a list:

   koelsch: ...
   wheat: mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Geert Uytterhoeven]

Hi Simon,

On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
> On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
>> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
>> > On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> >> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>> >>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> >>>> Drop the MTD partitioning from DT, since it does not describe HW
>> >>>> and to give way to a more flexible kernel command line partition
>> >>>> passing.
>> >>>>
>> >>>> To retain the original partitioning, assure you have enabled
>> >>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>> >>>> following to your kernel command line:
>> >>>>
>> >>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
>> >>>
>> >>> I think the "@0" can be dropped, as it's optional?
>> >>> 4m?
>> >>
>> >> My take on this is that the loader is actually at offset 0x0 of the MTD
>> >> device and we explicitly state that in the mtdparts to anchor the first
>> >> partition within the MTD device and all the other partitions are at
>> >> offset +(sum of the sizes of all partitions listed before the current
>> >> one) relative to that first partition.
>> >
>> > Where is this explicitly states for the first partition?
>> >
>> >> Removing the @0 feels fragile at best and it seems to depend on the
>> >> current behavior of the code.
>> >
>> > Better, it also depends on the documented behavior:
>> >
>> > Documentation/admin-guide/kernel-parameters.txt refers to
>> > drivers/mtd/cmdlinepart.c, which states:
>> >
>> >  * <offset>  := standard linux memsize
>> >  *              if omitted the part will immediately follow the previous part
>> >  *              or 0 if the first part
>> >
>> > None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
>> > help text, or in a defconfig bundled with the kernel, use @0 for the first
>> > partition.
>>
>> I think this is exceptionally fragile and dangerous to depend on this,
>> but so be it.
>
> Could you respin with this change?
>
> I would also like to ask for another change, in light of recent
> feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
> Updates for v4.18").
>
> Please consolidate the dts patches into a single patch?

I think it's better to keep them split, as each commit description mentions
what needs to be passed on the kernel command line for the corresponding
board.

Combining it in a single patch makes it much harder to extract this information.
Unless you're fine with a list:

   koelsch: ...
   wheat: mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Geert Uytterhoeven]

Hi Simon,

On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
> On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
>> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
>> > On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> >> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>> >>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>> >>>> Drop the MTD partitioning from DT, since it does not describe HW
>> >>>> and to give way to a more flexible kernel command line partition
>> >>>> passing.
>> >>>>
>> >>>> To retain the original partitioning, assure you have enabled
>> >>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>> >>>> following to your kernel command line:
>> >>>>
>> >>>>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
>> >>>
>> >>> I think the "@0" can be dropped, as it's optional?
>> >>> 4m?
>> >>
>> >> My take on this is that the loader is actually at offset 0x0 of the MTD
>> >> device and we explicitly state that in the mtdparts to anchor the first
>> >> partition within the MTD device and all the other partitions are at
>> >> offset +(sum of the sizes of all partitions listed before the current
>> >> one) relative to that first partition.
>> >
>> > Where is this explicitly states for the first partition?
>> >
>> >> Removing the @0 feels fragile at best and it seems to depend on the
>> >> current behavior of the code.
>> >
>> > Better, it also depends on the documented behavior:
>> >
>> > Documentation/admin-guide/kernel-parameters.txt refers to
>> > drivers/mtd/cmdlinepart.c, which states:
>> >
>> >  * <offset>  := standard linux memsize
>> >  *              if omitted the part will immediately follow the previous part
>> >  *              or 0 if the first part
>> >
>> > None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
>> > help text, or in a defconfig bundled with the kernel, use @0 for the first
>> > partition.
>>
>> I think this is exceptionally fragile and dangerous to depend on this,
>> but so be it.
>
> Could you respin with this change?
>
> I would also like to ask for another change, in light of recent
> feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
> Updates for v4.18").
>
> Please consolidate the dts patches into a single patch?

I think it's better to keep them split, as each commit description mentions
what needs to be passed on the kernel command line for the corresponding
board.

Combining it in a single patch makes it much harder to extract this information.
Unless you're fine with a list:

   koelsch: ...
   wheat: mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Simon Horman]

On Mon, May 28, 2018 at 10:54:57AM +0200, Geert Uytterhoeven wrote:
> Hi Simon,
> 
> On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
> > On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
> >> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> >> > On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >> >> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> >> >>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >> >>>> Drop the MTD partitioning from DT, since it does not describe HW
> >> >>>> and to give way to a more flexible kernel command line partition
> >> >>>> passing.
> >> >>>>
> >> >>>> To retain the original partitioning, assure you have enabled
> >> >>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> >> >>>> following to your kernel command line:
> >> >>>>
> >> >>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> >> >>>
> >> >>> I think the "@0" can be dropped, as it's optional?
> >> >>> 4m?
> >> >>
> >> >> My take on this is that the loader is actually at offset 0x0 of the MTD
> >> >> device and we explicitly state that in the mtdparts to anchor the first
> >> >> partition within the MTD device and all the other partitions are at
> >> >> offset +(sum of the sizes of all partitions listed before the current
> >> >> one) relative to that first partition.
> >> >
> >> > Where is this explicitly states for the first partition?
> >> >
> >> >> Removing the @0 feels fragile at best and it seems to depend on the
> >> >> current behavior of the code.
> >> >
> >> > Better, it also depends on the documented behavior:
> >> >
> >> > Documentation/admin-guide/kernel-parameters.txt refers to
> >> > drivers/mtd/cmdlinepart.c, which states:
> >> >
> >> >  * <offset>  := standard linux memsize
> >> >  *              if omitted the part will immediately follow the previous part
> >> >  *              or 0 if the first part
> >> >
> >> > None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> >> > help text, or in a defconfig bundled with the kernel, use @0 for the first
> >> > partition.
> >>
> >> I think this is exceptionally fragile and dangerous to depend on this,
> >> but so be it.
> >
> > Could you respin with this change?
> >
> > I would also like to ask for another change, in light of recent
> > feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
> > Updates for v4.18").
> >
> > Please consolidate the dts patches into a single patch?
> 
> I think it's better to keep them split, as each commit description mentions
> what needs to be passed on the kernel command line for the corresponding
> board.
> 
> Combining it in a single patch makes it much harder to extract this information.
> Unless you're fine with a list:
> 
>    koelsch: ...
>    wheat: mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Lets try a list.

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Simon Horman]

On Mon, May 28, 2018 at 10:54:57AM +0200, Geert Uytterhoeven wrote:
> Hi Simon,
> 
> On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
> > On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
> >> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> >> > On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >> >> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> >> >>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >> >>>> Drop the MTD partitioning from DT, since it does not describe HW
> >> >>>> and to give way to a more flexible kernel command line partition
> >> >>>> passing.
> >> >>>>
> >> >>>> To retain the original partitioning, assure you have enabled
> >> >>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> >> >>>> following to your kernel command line:
> >> >>>>
> >> >>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> >> >>>
> >> >>> I think the "@0" can be dropped, as it's optional?
> >> >>> 4m?
> >> >>
> >> >> My take on this is that the loader is actually at offset 0x0 of the MTD
> >> >> device and we explicitly state that in the mtdparts to anchor the first
> >> >> partition within the MTD device and all the other partitions are at
> >> >> offset +(sum of the sizes of all partitions listed before the current
> >> >> one) relative to that first partition.
> >> >
> >> > Where is this explicitly states for the first partition?
> >> >
> >> >> Removing the @0 feels fragile at best and it seems to depend on the
> >> >> current behavior of the code.
> >> >
> >> > Better, it also depends on the documented behavior:
> >> >
> >> > Documentation/admin-guide/kernel-parameters.txt refers to
> >> > drivers/mtd/cmdlinepart.c, which states:
> >> >
> >> >  * <offset>  := standard linux memsize
> >> >  *              if omitted the part will immediately follow the previous part
> >> >  *              or 0 if the first part
> >> >
> >> > None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> >> > help text, or in a defconfig bundled with the kernel, use @0 for the first
> >> > partition.
> >>
> >> I think this is exceptionally fragile and dangerous to depend on this,
> >> but so be it.
> >
> > Could you respin with this change?
> >
> > I would also like to ask for another change, in light of recent
> > feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
> > Updates for v4.18").
> >
> > Please consolidate the dts patches into a single patch?
> 
> I think it's better to keep them split, as each commit description mentions
> what needs to be passed on the kernel command line for the corresponding
> board.
> 
> Combining it in a single patch makes it much harder to extract this information.
> Unless you're fine with a list:
> 
>    koelsch: ...
>    wheat: mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)

Lets try a list.

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Simon Horman]

On Mon, May 28, 2018 at 10:54:57AM +0200, Geert Uytterhoeven wrote:
> Hi Simon,
> 
> On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
> > On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
> >> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> >> > On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >> >> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> >> >>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >> >>>> Drop the MTD partitioning from DT, since it does not describe HW
> >> >>>> and to give way to a more flexible kernel command line partition
> >> >>>> passing.
> >> >>>>
> >> >>>> To retain the original partitioning, assure you have enabled
> >> >>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> >> >>>> following to your kernel command line:
> >> >>>>
> >> >>>>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> >> >>>
> >> >>> I think the "@0" can be dropped, as it's optional?
> >> >>> 4m?
> >> >>
> >> >> My take on this is that the loader is actually at offset 0x0 of the MTD
> >> >> device and we explicitly state that in the mtdparts to anchor the first
> >> >> partition within the MTD device and all the other partitions are at
> >> >> offset +(sum of the sizes of all partitions listed before the current
> >> >> one) relative to that first partition.
> >> >
> >> > Where is this explicitly states for the first partition?
> >> >
> >> >> Removing the @0 feels fragile at best and it seems to depend on the
> >> >> current behavior of the code.
> >> >
> >> > Better, it also depends on the documented behavior:
> >> >
> >> > Documentation/admin-guide/kernel-parameters.txt refers to
> >> > drivers/mtd/cmdlinepart.c, which states:
> >> >
> >> >  * <offset>  := standard linux memsize
> >> >  *              if omitted the part will immediately follow the previous part
> >> >  *              or 0 if the first part
> >> >
> >> > None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> >> > help text, or in a defconfig bundled with the kernel, use @0 for the first
> >> > partition.
> >>
> >> I think this is exceptionally fragile and dangerous to depend on this,
> >> but so be it.
> >
> > Could you respin with this change?
> >
> > I would also like to ask for another change, in light of recent
> > feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
> > Updates for v4.18").
> >
> > Please consolidate the dts patches into a single patch?
> 
> I think it's better to keep them split, as each commit description mentions
> what needs to be passed on the kernel command line for the corresponding
> board.
> 
> Combining it in a single patch makes it much harder to extract this information.
> Unless you're fine with a list:
> 
>    koelsch: ...
>    wheat: mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)

Lets try a list.

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

On 05/28/2018 11:36 AM, Simon Horman wrote:
> On Mon, May 28, 2018 at 10:54:57AM +0200, Geert Uytterhoeven wrote:
>> Hi Simon,
>>
>> On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
>>> On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
>>>> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
>>>>> On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>>>>> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>>>>>>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>>>>>>> Drop the MTD partitioning from DT, since it does not describe HW
>>>>>>>> and to give way to a more flexible kernel command line partition
>>>>>>>> passing.
>>>>>>>>
>>>>>>>> To retain the original partitioning, assure you have enabled
>>>>>>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>>>>>>>> following to your kernel command line:
>>>>>>>>
>>>>>>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
>>>>>>>
>>>>>>> I think the "@0" can be dropped, as it's optional?
>>>>>>> 4m?
>>>>>>
>>>>>> My take on this is that the loader is actually at offset 0x0 of the MTD
>>>>>> device and we explicitly state that in the mtdparts to anchor the first
>>>>>> partition within the MTD device and all the other partitions are at
>>>>>> offset +(sum of the sizes of all partitions listed before the current
>>>>>> one) relative to that first partition.
>>>>>
>>>>> Where is this explicitly states for the first partition?
>>>>>
>>>>>> Removing the @0 feels fragile at best and it seems to depend on the
>>>>>> current behavior of the code.
>>>>>
>>>>> Better, it also depends on the documented behavior:
>>>>>
>>>>> Documentation/admin-guide/kernel-parameters.txt refers to
>>>>> drivers/mtd/cmdlinepart.c, which states:
>>>>>
>>>>>  * <offset>  := standard linux memsize
>>>>>  *              if omitted the part will immediately follow the previous part
>>>>>  *              or 0 if the first part
>>>>>
>>>>> None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
>>>>> help text, or in a defconfig bundled with the kernel, use @0 for the first
>>>>> partition.
>>>>
>>>> I think this is exceptionally fragile and dangerous to depend on this,
>>>> but so be it.
>>>
>>> Could you respin with this change?
>>>
>>> I would also like to ask for another change, in light of recent
>>> feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
>>> Updates for v4.18").
>>>
>>> Please consolidate the dts patches into a single patch?
>>
>> I think it's better to keep them split, as each commit description mentions
>> what needs to be passed on the kernel command line for the corresponding
>> board.
>>
>> Combining it in a single patch makes it much harder to extract this information.
>> Unless you're fine with a list:
>>
>>    koelsch: ...
>>    wheat: mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> Lets try a list.

Reposted with a list, twice :/

-- 
Best regards,
Marek Vasut

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

On 05/28/2018 11:36 AM, Simon Horman wrote:
> On Mon, May 28, 2018 at 10:54:57AM +0200, Geert Uytterhoeven wrote:
>> Hi Simon,
>>
>> On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
>>> On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
>>>> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
>>>>> On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>>>>> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>>>>>>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>>>>>>> Drop the MTD partitioning from DT, since it does not describe HW
>>>>>>>> and to give way to a more flexible kernel command line partition
>>>>>>>> passing.
>>>>>>>>
>>>>>>>> To retain the original partitioning, assure you have enabled
>>>>>>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>>>>>>>> following to your kernel command line:
>>>>>>>>
>>>>>>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
>>>>>>>
>>>>>>> I think the "@0" can be dropped, as it's optional?
>>>>>>> 4m?
>>>>>>
>>>>>> My take on this is that the loader is actually at offset 0x0 of the MTD
>>>>>> device and we explicitly state that in the mtdparts to anchor the first
>>>>>> partition within the MTD device and all the other partitions are at
>>>>>> offset +(sum of the sizes of all partitions listed before the current
>>>>>> one) relative to that first partition.
>>>>>
>>>>> Where is this explicitly states for the first partition?
>>>>>
>>>>>> Removing the @0 feels fragile at best and it seems to depend on the
>>>>>> current behavior of the code.
>>>>>
>>>>> Better, it also depends on the documented behavior:
>>>>>
>>>>> Documentation/admin-guide/kernel-parameters.txt refers to
>>>>> drivers/mtd/cmdlinepart.c, which states:
>>>>>
>>>>>  * <offset>  := standard linux memsize
>>>>>  *              if omitted the part will immediately follow the previous part
>>>>>  *              or 0 if the first part
>>>>>
>>>>> None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
>>>>> help text, or in a defconfig bundled with the kernel, use @0 for the first
>>>>> partition.
>>>>
>>>> I think this is exceptionally fragile and dangerous to depend on this,
>>>> but so be it.
>>>
>>> Could you respin with this change?
>>>
>>> I would also like to ask for another change, in light of recent
>>> feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
>>> Updates for v4.18").
>>>
>>> Please consolidate the dts patches into a single patch?
>>
>> I think it's better to keep them split, as each commit description mentions
>> what needs to be passed on the kernel command line for the corresponding
>> board.
>>
>> Combining it in a single patch makes it much harder to extract this information.
>> Unless you're fine with a list:
>>
>>    koelsch: ...
>>    wheat: mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> 
> Lets try a list.

Reposted with a list, twice :/

-- 
Best regards,
Marek Vasut

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Marek Vasut]

On 05/28/2018 11:36 AM, Simon Horman wrote:
> On Mon, May 28, 2018 at 10:54:57AM +0200, Geert Uytterhoeven wrote:
>> Hi Simon,
>>
>> On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
>>> On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
>>>> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
>>>>> On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>>>>> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
>>>>>>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
>>>>>>>> Drop the MTD partitioning from DT, since it does not describe HW
>>>>>>>> and to give way to a more flexible kernel command line partition
>>>>>>>> passing.
>>>>>>>>
>>>>>>>> To retain the original partitioning, assure you have enabled
>>>>>>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
>>>>>>>> following to your kernel command line:
>>>>>>>>
>>>>>>>>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
>>>>>>>
>>>>>>> I think the "@0" can be dropped, as it's optional?
>>>>>>> 4m?
>>>>>>
>>>>>> My take on this is that the loader is actually at offset 0x0 of the MTD
>>>>>> device and we explicitly state that in the mtdparts to anchor the first
>>>>>> partition within the MTD device and all the other partitions are at
>>>>>> offset +(sum of the sizes of all partitions listed before the current
>>>>>> one) relative to that first partition.
>>>>>
>>>>> Where is this explicitly states for the first partition?
>>>>>
>>>>>> Removing the @0 feels fragile at best and it seems to depend on the
>>>>>> current behavior of the code.
>>>>>
>>>>> Better, it also depends on the documented behavior:
>>>>>
>>>>> Documentation/admin-guide/kernel-parameters.txt refers to
>>>>> drivers/mtd/cmdlinepart.c, which states:
>>>>>
>>>>>  * <offset>  := standard linux memsize
>>>>>  *              if omitted the part will immediately follow the previous part
>>>>>  *              or 0 if the first part
>>>>>
>>>>> None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
>>>>> help text, or in a defconfig bundled with the kernel, use @0 for the first
>>>>> partition.
>>>>
>>>> I think this is exceptionally fragile and dangerous to depend on this,
>>>> but so be it.
>>>
>>> Could you respin with this change?
>>>
>>> I would also like to ask for another change, in light of recent
>>> feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
>>> Updates for v4.18").
>>>
>>> Please consolidate the dts patches into a single patch?
>>
>> I think it's better to keep them split, as each commit description mentions
>> what needs to be passed on the kernel command line for the corresponding
>> board.
>>
>> Combining it in a single patch makes it much harder to extract this information.
>> Unless you're fine with a list:
>>
>>    koelsch: ...
>>    wheat: mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> 
> Lets try a list.

Reposted with a list, twice :/

-- 
Best regards,
Marek Vasut

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Simon Horman]

On Wed, May 30, 2018 at 12:13:31PM +0200, Marek Vasut wrote:
> On 05/28/2018 11:36 AM, Simon Horman wrote:
> > On Mon, May 28, 2018 at 10:54:57AM +0200, Geert Uytterhoeven wrote:
> >> Hi Simon,
> >>
> >> On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
> >>> On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
> >>>> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> >>>>> On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >>>>>> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> >>>>>>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >>>>>>>> Drop the MTD partitioning from DT, since it does not describe HW
> >>>>>>>> and to give way to a more flexible kernel command line partition
> >>>>>>>> passing.
> >>>>>>>>
> >>>>>>>> To retain the original partitioning, assure you have enabled
> >>>>>>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> >>>>>>>> following to your kernel command line:
> >>>>>>>>
> >>>>>>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> >>>>>>>
> >>>>>>> I think the "@0" can be dropped, as it's optional?
> >>>>>>> 4m?
> >>>>>>
> >>>>>> My take on this is that the loader is actually at offset 0x0 of the MTD
> >>>>>> device and we explicitly state that in the mtdparts to anchor the first
> >>>>>> partition within the MTD device and all the other partitions are at
> >>>>>> offset +(sum of the sizes of all partitions listed before the current
> >>>>>> one) relative to that first partition.
> >>>>>
> >>>>> Where is this explicitly states for the first partition?
> >>>>>
> >>>>>> Removing the @0 feels fragile at best and it seems to depend on the
> >>>>>> current behavior of the code.
> >>>>>
> >>>>> Better, it also depends on the documented behavior:
> >>>>>
> >>>>> Documentation/admin-guide/kernel-parameters.txt refers to
> >>>>> drivers/mtd/cmdlinepart.c, which states:
> >>>>>
> >>>>>  * <offset>  := standard linux memsize
> >>>>>  *              if omitted the part will immediately follow the previous part
> >>>>>  *              or 0 if the first part
> >>>>>
> >>>>> None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> >>>>> help text, or in a defconfig bundled with the kernel, use @0 for the first
> >>>>> partition.
> >>>>
> >>>> I think this is exceptionally fragile and dangerous to depend on this,
> >>>> but so be it.
> >>>
> >>> Could you respin with this change?
> >>>
> >>> I would also like to ask for another change, in light of recent
> >>> feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
> >>> Updates for v4.18").
> >>>
> >>> Please consolidate the dts patches into a single patch?
> >>
> >> I think it's better to keep them split, as each commit description mentions
> >> what needs to be passed on the kernel command line for the corresponding
> >> board.
> >>
> >> Combining it in a single patch makes it much harder to extract this information.
> >> Unless you're fine with a list:
> >>
> >>    koelsch: ...
> >>    wheat: mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> > 
> > Lets try a list.
> 
> Reposted with a list, twice :/

Thanks, got it :)

Re: [PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Simon Horman]

On Wed, May 30, 2018 at 12:13:31PM +0200, Marek Vasut wrote:
> On 05/28/2018 11:36 AM, Simon Horman wrote:
> > On Mon, May 28, 2018 at 10:54:57AM +0200, Geert Uytterhoeven wrote:
> >> Hi Simon,
> >>
> >> On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
> >>> On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
> >>>> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> >>>>> On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >>>>>> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> >>>>>>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >>>>>>>> Drop the MTD partitioning from DT, since it does not describe HW
> >>>>>>>> and to give way to a more flexible kernel command line partition
> >>>>>>>> passing.
> >>>>>>>>
> >>>>>>>> To retain the original partitioning, assure you have enabled
> >>>>>>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> >>>>>>>> following to your kernel command line:
> >>>>>>>>
> >>>>>>>>   mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> >>>>>>>
> >>>>>>> I think the "@0" can be dropped, as it's optional?
> >>>>>>> 4m?
> >>>>>>
> >>>>>> My take on this is that the loader is actually at offset 0x0 of the MTD
> >>>>>> device and we explicitly state that in the mtdparts to anchor the first
> >>>>>> partition within the MTD device and all the other partitions are at
> >>>>>> offset +(sum of the sizes of all partitions listed before the current
> >>>>>> one) relative to that first partition.
> >>>>>
> >>>>> Where is this explicitly states for the first partition?
> >>>>>
> >>>>>> Removing the @0 feels fragile at best and it seems to depend on the
> >>>>>> current behavior of the code.
> >>>>>
> >>>>> Better, it also depends on the documented behavior:
> >>>>>
> >>>>> Documentation/admin-guide/kernel-parameters.txt refers to
> >>>>> drivers/mtd/cmdlinepart.c, which states:
> >>>>>
> >>>>>  * <offset>  := standard linux memsize
> >>>>>  *              if omitted the part will immediately follow the previous part
> >>>>>  *              or 0 if the first part
> >>>>>
> >>>>> None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> >>>>> help text, or in a defconfig bundled with the kernel, use @0 for the first
> >>>>> partition.
> >>>>
> >>>> I think this is exceptionally fragile and dangerous to depend on this,
> >>>> but so be it.
> >>>
> >>> Could you respin with this change?
> >>>
> >>> I would also like to ask for another change, in light of recent
> >>> feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
> >>> Updates for v4.18").
> >>>
> >>> Please consolidate the dts patches into a single patch?
> >>
> >> I think it's better to keep them split, as each commit description mentions
> >> what needs to be passed on the kernel command line for the corresponding
> >> board.
> >>
> >> Combining it in a single patch makes it much harder to extract this information.
> >> Unless you're fine with a list:
> >>
> >>    koelsch: ...
> >>    wheat: mtdparts=spi0.0:256k@0(loader),4096k(user),-(flash)
> > 
> > Lets try a list.
> 
> Reposted with a list, twice :/

Thanks, got it :)

[PATCH 6/9] ARM: dts: wheat: Drop MTD partitioning from DT

[Simon Horman]

On Wed, May 30, 2018 at 12:13:31PM +0200, Marek Vasut wrote:
> On 05/28/2018 11:36 AM, Simon Horman wrote:
> > On Mon, May 28, 2018 at 10:54:57AM +0200, Geert Uytterhoeven wrote:
> >> Hi Simon,
> >>
> >> On Mon, May 28, 2018 at 10:41 AM, Simon Horman <horms@verge.net.au> wrote:
> >>> On Thu, May 24, 2018 at 04:52:59PM +0200, Marek Vasut wrote:
> >>>> On 05/23/2018 08:25 AM, Geert Uytterhoeven wrote:
> >>>>> On Wed, May 23, 2018 at 12:01 AM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >>>>>> On 05/22/2018 04:43 PM, Geert Uytterhoeven wrote:
> >>>>>>> On Tue, May 22, 2018 at 2:02 PM, Marek Vasut <marek.vasut@gmail.com> wrote:
> >>>>>>>> Drop the MTD partitioning from DT, since it does not describe HW
> >>>>>>>> and to give way to a more flexible kernel command line partition
> >>>>>>>> passing.
> >>>>>>>>
> >>>>>>>> To retain the original partitioning, assure you have enabled
> >>>>>>>> CONFIG_MTD_CMDLINE_PARTS in your kernel config and add the
> >>>>>>>> following to your kernel command line:
> >>>>>>>>
> >>>>>>>>   mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> >>>>>>>
> >>>>>>> I think the "@0" can be dropped, as it's optional?
> >>>>>>> 4m?
> >>>>>>
> >>>>>> My take on this is that the loader is actually at offset 0x0 of the MTD
> >>>>>> device and we explicitly state that in the mtdparts to anchor the first
> >>>>>> partition within the MTD device and all the other partitions are at
> >>>>>> offset +(sum of the sizes of all partitions listed before the current
> >>>>>> one) relative to that first partition.
> >>>>>
> >>>>> Where is this explicitly states for the first partition?
> >>>>>
> >>>>>> Removing the @0 feels fragile at best and it seems to depend on the
> >>>>>> current behavior of the code.
> >>>>>
> >>>>> Better, it also depends on the documented behavior:
> >>>>>
> >>>>> Documentation/admin-guide/kernel-parameters.txt refers to
> >>>>> drivers/mtd/cmdlinepart.c, which states:
> >>>>>
> >>>>>  * <offset>  := standard linux memsize
> >>>>>  *              if omitted the part will immediately follow the previous part
> >>>>>  *              or 0 if the first part
> >>>>>
> >>>>> None of the examples listed there or under the MTD_CMDLINE_PARTS Kconfig
> >>>>> help text, or in a defconfig bundled with the kernel, use @0 for the first
> >>>>> partition.
> >>>>
> >>>> I think this is exceptionally fragile and dangerous to depend on this,
> >>>> but so be it.
> >>>
> >>> Could you respin with this change?
> >>>
> >>> I would also like to ask for another change, in light of recent
> >>> feedback from Olof Johansson ("Re: [GIT PULL] Renesas ARM64 Based SoC DT
> >>> Updates for v4.18").
> >>>
> >>> Please consolidate the dts patches into a single patch?
> >>
> >> I think it's better to keep them split, as each commit description mentions
> >> what needs to be passed on the kernel command line for the corresponding
> >> board.
> >>
> >> Combining it in a single patch makes it much harder to extract this information.
> >> Unless you're fine with a list:
> >>
> >>    koelsch: ...
> >>    wheat: mtdparts=spi0.0:256k at 0(loader),4096k(user),-(flash)
> > 
> > Lets try a list.
> 
> Reposted with a list, twice :/

Thanks, got it :)