[PATCH v2 0/7] ARM: dts: at91: add Exegin Q5xR5 and CalAmp LMU5000

[PATCH v2 0/7] ARM: dts: at91: add Exegin Q5xR5 and CalAmp LMU5000

[Claudiu Beznea]

Hi,

This series adds support for Exegin Q5xR5 and CalAmp LMU5000 boards
which were maintained up to this moment, separatelly, in OpenWrt tree.
With these patches the support for these boards will be included in
upstream kernel and there will be no need to forward port the proper
patches in OpenWrt every time the OpenWrt kernel version is changed.

Thank you,
Claudiu Beznea

Changes in v2:
- swapped commit message and diff b/w patches
  "dt-bindings: ARM: at91: document exegin q5xr5 board" and
  "dt-bindings: ARM: at91: document CalAmp LMU5000 board"
- re-ordered patches to accommodate the above swapping
- collected tags

Adam Porter (1):
  ARM: dts: at91: add CalAmp LMU5000 board

Claudiu Beznea (5):
  ARM: dts: at91: at91sam9260: add pinctrl label
  dt-bindings: add vendor prefix for calamp
  dt-bindings: ARM: at91: document CalAmp LMU5000 board
  dt-bindings: add vendor prefix for exegin
  dt-bindings: ARM: at91: document exegin q5xr5 board

Owen Kirby (1):
  ARM: dts: at91: add Exegin Q5xR5 board

 .../devicetree/bindings/arm/atmel-at91.yaml   |  12 ++
 .../devicetree/bindings/vendor-prefixes.yaml  |   4 +
 arch/arm/boot/dts/Makefile                    |   2 +
 arch/arm/boot/dts/at91-lmu5000.dts            | 148 +++++++++++++
 arch/arm/boot/dts/at91-q5xr5.dts              | 200 ++++++++++++++++++
 arch/arm/boot/dts/at91sam9260.dtsi            |   2 +-
 6 files changed, 367 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/at91-lmu5000.dts
 create mode 100644 arch/arm/boot/dts/at91-q5xr5.dts

-- 
2.25.1


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[PATCH v2 1/7] ARM: dts: at91: at91sam9260: add pinctrl label

[Claudiu Beznea]

Add label for pinctrl node.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
 arch/arm/boot/dts/at91sam9260.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index 019f1c3d4d30..7368347c9357 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -166,7 +166,7 @@ tcb1: timer@fffdc000 {
 				clock-names = "t0_clk", "t1_clk", "t2_clk", "slow_clk";
 			};
 
-			pinctrl@fffff400 {
+			pinctrl: pinctrl@fffff400 {
 				#address-cells = <1>;
 				#size-cells = <1>;
 				compatible = "atmel,at91rm9200-pinctrl", "simple-bus";
-- 
2.25.1


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[PATCH v2 2/7] dt-bindings: add vendor prefix for calamp

[Claudiu Beznea]

Add vendor prefix for CalAmp Corp.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
---
 Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 07fb0d25fc15..8cf2ed41537a 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -191,6 +191,8 @@ patternProperties:
     description: B&R Industrial Automation GmbH
   "^bticino,.*":
     description: Bticino International
+  "^calamp,.*":
+    description: CalAmp Corp.
   "^calaosystems,.*":
     description: CALAO Systems SAS
   "^calxeda,.*":
-- 
2.25.1


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[PATCH v2 3/7] dt-bindings: ARM: at91: document CalAmp LMU5000 board

[Claudiu Beznea]

Document CalAmp LMU5000.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
 Documentation/devicetree/bindings/arm/atmel-at91.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.yaml b/Documentation/devicetree/bindings/arm/atmel-at91.yaml
index fba071b9af1d..a9ab18510fef 100644
--- a/Documentation/devicetree/bindings/arm/atmel-at91.yaml
+++ b/Documentation/devicetree/bindings/arm/atmel-at91.yaml
@@ -126,6 +126,12 @@ properties:
           - const: atmel,sama5d3
           - const: atmel,sama5
 
+      - description: CalAmp LMU5000 board
+        items:
+          - const: calamp,lmu5000
+          - const: atmel,at91sam9g20
+          - const: atmel,at91sam9
+
       - items:
           - enum:
               - atmel,sama5d31
-- 
2.25.1


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[PATCH v2 4/7] ARM: dts: at91: add CalAmp LMU5000 board

[Claudiu Beznea]

From: Adam Porter <porter.adam@gmail.com>

Add CalAmp LMU5000 board. The base device tree is from OpenWrt tree and
with the addition of this patch there will be no need to maintain it
separatelly in OpenWrt.

[porter.adam: original author of patch in OpenWrt]
Signed-off-by: Adam Porter <porter.adam@gmail.com>
[claudiu.beznea: fixed compilation warnings, use &<lable> syntax,
 sorted nodes in alphabetical order, adapted flash to new support
 in kernel 5.14, use proper compatibles according to kernel 5.14,
 use macros instead of hard coded numbers for pinctrl phandles and
 for all pinctrl references, add pinctrl-names, pinctrl-X where
 necessary]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
 arch/arm/boot/dts/Makefile         |   1 +
 arch/arm/boot/dts/at91-lmu5000.dts | 148 +++++++++++++++++++++++++++++
 2 files changed, 149 insertions(+)
 create mode 100644 arch/arm/boot/dts/at91-lmu5000.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 63b60f571035..249216d4a145 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -25,6 +25,7 @@ dtb-$(CONFIG_SOC_AT91SAM9) += \
 	usb_a9263.dtb \
 	at91-foxg20.dtb \
 	at91-kizbox.dtb \
+	at91-lmu5000.dtb \
 	at91sam9g20ek.dtb \
 	at91sam9g20ek_2mmc.dtb \
 	tny_a9g20.dtb \
diff --git a/arch/arm/boot/dts/at91-lmu5000.dts b/arch/arm/boot/dts/at91-lmu5000.dts
new file mode 100644
index 000000000000..6a52728cc98f
--- /dev/null
+++ b/arch/arm/boot/dts/at91-lmu5000.dts
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Device Tree file for CalAmp LMU5000 board
+ *
+ * Copyright (C) 2013 Adam Porter <porter.adam@gmail.com>
+ */
+
+/dts-v1/;
+#include "at91sam9g20.dtsi"
+
+/ {
+	model = "CalAmp LMU5000";
+	compatible = "calamp,lmu5000", "atmel,at91sam9g20", "atmel,at91sam9";
+
+	chosen {
+		bootargs = "mem=64M console=ttyS0,115200 rootfstype=jffs2";
+	};
+
+	memory {
+		reg = <0x20000000 0x4000000>;
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		main_clock: clock@0 {
+			compatible = "atmel,osc", "fixed-clock";
+			clock-frequency = <18432000>;
+		};
+	};
+};
+
+&dbgu {
+	status = "okay";
+};
+
+&ebi {
+	status = "okay";
+
+	nand_controller: nand-controller {
+		pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
+		pinctrl-names = "default";
+		status = "okay";
+
+		nand@3 {
+			reg = <0x3 0x0 0x800000>;
+			rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
+			cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
+			nand-bus-width = <8>;
+			nand-ecc-mode = "soft";
+			nand-on-flash-bbt;
+			label = "atmel_nand";
+			status = "okay";
+
+			partitions {
+				compatible = "fixed-partitions";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				kernel@0 {
+					label = "kernel";
+					reg = <0x0 0x400000>;
+				};
+
+				rootfs@400000 {
+					label = "rootfs";
+					reg = <0x400000 0x3C00000>;
+				};
+
+				user1@4000000 {
+					label = "user1";
+					reg = <0x4000000 0x2000000>;
+				};
+
+				user2@6000000 {
+					label = "user2";
+					reg = <0x6000000 0x2000000>;
+				};
+			};
+		};
+	};
+};
+
+&macb0 {
+	phy-mode = "mii";
+	status = "okay";
+};
+
+&pinctrl {
+	board {
+		pinctrl_pck0_as_mck: pck0_as_mck {
+			atmel,pins = <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
+		};
+	};
+
+	usb0 {
+		pinctrl_usb1_vbus_gpio: usb0_vbus_gpio {
+			atmel,pins = <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+		};
+	};
+};
+
+&ssc0 {
+	status = "okay";
+	pinctrl-0 = <&pinctrl_ssc0_tx>;
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&usart0 {
+	pinctrl-0 =
+		<&pinctrl_usart0
+		 &pinctrl_usart0_rts
+		 &pinctrl_usart0_cts
+		 &pinctrl_usart0_dtr_dsr
+		 &pinctrl_usart0_dcd
+		 &pinctrl_usart0_ri>;
+	status = "okay";
+};
+
+&usart2 {
+	status = "okay";
+};
+
+&usb0 {
+	num-ports = <2>;
+	status = "okay";
+};
+
+&usb1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
+	atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
+
+&watchdog {
+	status = "okay";
+};
+
-- 
2.25.1


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[PATCH v2 5/7] dt-bindings: add vendor prefix for exegin

[Claudiu Beznea]

Add vendor prefix for Exegin Technologies Limited.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
---
 Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 8cf2ed41537a..61fe4778498d 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -393,6 +393,8 @@ patternProperties:
     description: Exar Corporation
   "^excito,.*":
     description: Excito
+  "^exegin,.*":
+    description: Exegin Technologies Limited
   "^ezchip,.*":
     description: EZchip Semiconductor
   "^facebook,.*":
-- 
2.25.1


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[PATCH v2 6/7] dt-bindings: ARM: at91: document exegin q5xr5 board

[Claudiu Beznea]

Document Exegin Q5xR5 board.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
 Documentation/devicetree/bindings/arm/atmel-at91.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.yaml b/Documentation/devicetree/bindings/arm/atmel-at91.yaml
index a9ab18510fef..08efb259a947 100644
--- a/Documentation/devicetree/bindings/arm/atmel-at91.yaml
+++ b/Documentation/devicetree/bindings/arm/atmel-at91.yaml
@@ -132,6 +132,12 @@ properties:
           - const: atmel,at91sam9g20
           - const: atmel,at91sam9
 
+      - description: Exegin Q5xR5 board
+        items:
+          - const: exegin,q5xr5
+          - const: atmel,at91sam9g20
+          - const: atmel,at91sam9
+
       - items:
           - enum:
               - atmel,sama5d31
-- 
2.25.1


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[PATCH v2 7/7] ARM: dts: at91: add Exegin Q5xR5 board

[Claudiu Beznea]

From: Owen Kirby <osk@exegin.com>

Add Exegin Q5xR5. The base device tree is from OpenWrt tree and with
the addition of this patch there will be no need to maintain it
separatelly in OpenWrt.

[osk: original author of patch in OpenWrt]
Signed-off-by: Owen Kirby <osk@exegin.com>
[claudiu.beznea: use "&<label> {" syntax, sorted nodes in alphabetical
 order, adapted flash to new support in kernel 5.14, use proper
 compatibles according to kernel 5.14, use macros instead of
 hardcoded numbers for pinctrl phandles and for all pinctrl references,
 add pinctrl-names, pinctrl-X where necessaray]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
 arch/arm/boot/dts/Makefile       |   1 +
 arch/arm/boot/dts/at91-q5xr5.dts | 200 +++++++++++++++++++++++++++++++
 2 files changed, 201 insertions(+)
 create mode 100644 arch/arm/boot/dts/at91-q5xr5.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 249216d4a145..07be55262516 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -41,6 +41,7 @@ dtb-$(CONFIG_SOC_AT91SAM9) += \
 	at91-kizboxmini-base.dtb \
 	at91-kizboxmini-mb.dtb \
 	at91-kizboxmini-rd.dtb \
+	at91-q5xr5.dtb \
 	at91-smartkiz.dtb \
 	at91-wb45n.dtb \
 	at91sam9g15ek.dtb \
diff --git a/arch/arm/boot/dts/at91-q5xr5.dts b/arch/arm/boot/dts/at91-q5xr5.dts
new file mode 100644
index 000000000000..4866f1c6ccf9
--- /dev/null
+++ b/arch/arm/boot/dts/at91-q5xr5.dts
@@ -0,0 +1,200 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Device Tree file for Exegin Q5xR5 board
+ *
+ * Copyright (C) 2014 Owen Kirby <osk@exegin.com>
+ */
+
+/dts-v1/;
+#include "at91sam9g20.dtsi"
+
+/ {
+	model = "Exegin Q5x (rev5)";
+	compatible = "exegin,q5xr5", "atmel,at91sam9g20", "atmel,at91sam9";
+
+	chosen {
+		bootargs = "console=ttyS0,115200 rootfstype=squashfs,jffs2";
+	};
+
+	memory {
+		reg = <0x20000000 0x0>;
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		main_clock: clock@0 {
+			compatible = "atmel,osc", "fixed-clock";
+			clock-frequency = <18432000>;
+		};
+
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		main_xtal {
+			clock-frequency = <18432000>;
+		};
+	};
+};
+
+&dbgu {
+	status = "okay";
+};
+
+&ebi {
+	status = "okay";
+
+	flash: flash@0 {
+		compatible = "cfi-flash";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0x0 0x1000000 0x800000>;
+		bank-width = <2>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			kernel@0 {
+				label = "kernel";
+				reg = <0x0 0x200000>;
+			};
+
+			rootfs@200000 {
+				label = "rootfs";
+				reg = <0x200000 0x600000>;
+			};
+		};
+	};
+};
+
+&macb0 {
+	phy-mode = "mii";
+	status = "okay";
+};
+
+&pinctrl {
+	board {
+		pinctrl_pck0_as_mck: pck0_as_mck {
+			atmel,pins = <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
+		};
+	};
+
+	spi0 {
+		pinctrl_spi0: spi0-0 {
+			atmel,pins =
+				<AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_NONE
+				 AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_NONE
+				 AT91_PIOA 2 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+		};
+
+		pinctrl_spi0_npcs0: spi0_npcs0 {
+			atmel,pins = <AT91_PIOA 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+		};
+
+		pinctrl_spi0_npcs1: spi0_npcs1 {
+			atmel,pins = <AT91_PIOC 11 AT91_PERIPH_B AT91_PINCTRL_NONE>;
+		};
+	};
+
+	spi1 {
+		pinctrl_spi1: spi1-0 {
+			atmel,pins =
+				<AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE
+				 AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE
+				 AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+		};
+
+		pinctrl_spi1_npcs0: spi1_npcs0 {
+			atmel,pins = <AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+		};
+
+		pinctrl_spi1_npcs1: spi1_npcs1 {
+			atmel,pins = <AT91_PIOC 5 AT91_PERIPH_B AT91_PINCTRL_NONE>;
+		};
+	};
+};
+
+&spi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_spi0 &pinctrl_spi0_npcs0 &pinctrl_spi0_npcs1>;
+	cs-gpios = <&pioA 3 GPIO_ACTIVE_HIGH>, <&pioC 11 GPIO_ACTIVE_LOW>, <0>, <0>;
+	status = "okay";
+
+	m25p80@0 {
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		at91boot@0 {
+			label = "at91boot";
+			reg = <0x0 0x4000>;
+		};
+
+		uenv@4000 {
+			label = "uboot-env";
+			reg = <0x4000 0x4000>;
+		};
+
+		uboot@8000 {
+			label = "uboot";
+			reg = <0x8000 0x3E000>;
+		};
+	};
+
+	spidev@1 {
+		compatible = "spidev";
+		spi-max-frequency = <2000000>;
+		reg = <1>;
+	};
+};
+
+&spi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_spi1 &pinctrl_spi1_npcs0 &pinctrl_spi1_npcs1>;
+	cs-gpios = <&pioB 3 GPIO_ACTIVE_HIGH>, <&pioC 5 GPIO_ACTIVE_LOW>, <0>, <0>;
+	status = "okay";
+
+	spidev@0 {
+		compatible = "spidev";
+		spi-max-frequency = <2000000>;
+		reg = <0>;
+	};
+
+	spidev@1 {
+		compatible = "spidev";
+		spi-max-frequency = <2000000>;
+		reg = <1>;
+	};
+};
+
+&usart0 {
+	pinctrl-0 =
+		<&pinctrl_usart0
+		 &pinctrl_usart0_rts
+		 &pinctrl_usart0_cts
+		 &pinctrl_usart0_dtr_dsr
+		 &pinctrl_usart0_dcd
+		 &pinctrl_usart0_ri>;
+	status = "okay";
+};
+
+&usb0 {
+	num-ports = <2>;
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+};
+
+&watchdog {
+	status = "okay";
+};
+
-- 
2.25.1


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Re: [PATCH v2 6/7] dt-bindings: ARM: at91: document exegin q5xr5 board

[Rob Herring]

On Mon, 16 Aug 2021 09:44:15 +0300, Claudiu Beznea wrote:
> Document Exegin Q5xR5 board.
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
> ---
>  Documentation/devicetree/bindings/arm/atmel-at91.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 


Please add Acked-by/Reviewed-by tags when posting new versions. However,
there's no need to repost patches *only* to add the tags. The upstream
maintainer will do that for acks received on the version they apply.

If a tag was not added on purpose, please state why and what changed.


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Re: [PATCH v2 3/7] dt-bindings: ARM: at91: document CalAmp LMU5000 board

[Rob Herring]

On Mon, 16 Aug 2021 09:44:12 +0300, Claudiu Beznea wrote:
> Document CalAmp LMU5000.
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
> ---
>  Documentation/devicetree/bindings/arm/atmel-at91.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 

Acked-by: Rob Herring <robh@kernel.org>

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Re: [PATCH v2 6/7] dt-bindings: ARM: at91: document exegin q5xr5 board

[Claudiu.Beznea]

On 17.08.2021 21:46, Rob Herring wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Mon, 16 Aug 2021 09:44:15 +0300, Claudiu Beznea wrote:
>> Document Exegin Q5xR5 board.
>>
>> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
>> ---
>>  Documentation/devicetree/bindings/arm/atmel-at91.yaml | 6 ++++++
>>  1 file changed, 6 insertions(+)
>>
> 
> 
> Please add Acked-by/Reviewed-by tags when posting new versions. However,
> there's no need to repost patches *only* to add the tags. The upstream
> maintainer will do that for acks received on the version they apply.
> 
> If a tag was not added on purpose, please state why and what changed.
> 

On this patch I haven't received a tag on v1 as I swapped the commit msg
and diff b/w this one and patch 3/7. On patch 3/7 I got a tag from you but
you had taken it back when (probably) you realized I did the swapping.
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