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* [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
@ 2019-08-13 10:23 Ashish Kumar
  2019-08-13 10:23 ` [Patch v4 2/3] dt-bindings: spi: spi-fsl-qspi: Add bindings of ls1088a and ls1012a Ashish Kumar
                   ` (3 more replies)
  0 siblings, 4 replies; 17+ messages in thread
From: Ashish Kumar @ 2019-08-13 10:23 UTC (permalink / raw)
  To: linux-kernel, broonie, linux-spi, devicetree
  Cc: robh+dt, mark.rutland, linux-next, Ashish Kumar, Kuldeep Singh,
	Ashish Kumar

There are 2 version of QSPI-IP, according to which controller registers sets
can be big endian or little endian.There are some other minor changes like
RX fifo depth etc.

The big endian version uses driver compatible "fsl,ls1021a-qspi" and
little endian version uses driver compatible "fsl,ls2080a-qspi"

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Signed-off-by: Ashish Kumar <ashish.kumar@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Han Xu <han.xu@nxp.com>
---
v4:
-Rebase to spi.git,
-Add new patch to series.
-Previous versions reviewed here http://patchwork.ozlabs.org/patch/1118639/
v3:
Rebase to top
v2: 
Convert to patch series and rebasing done on top of tree

 Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
index e8f1d62..6d7c9ec 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
@@ -3,9 +3,8 @@
 Required properties:
   - compatible : Should be "fsl,vf610-qspi", "fsl,imx6sx-qspi",
 		 "fsl,imx7d-qspi", "fsl,imx6ul-qspi",
-		 "fsl,ls1021a-qspi"
+		 "fsl,ls1021a-qspi", "fsl,ls2080a-qspi"
 		 or
-		 "fsl,ls2080a-qspi" followed by "fsl,ls1021a-qspi",
 		 "fsl,ls1043a-qspi" followed by "fsl,ls1021a-qspi"
   - reg : the first contains the register location and length,
           the second contains the memory mapping address and length
-- 
2.7.4


^ permalink raw reply	[flat|nested] 17+ messages in thread

* [Patch v4 2/3] dt-bindings: spi: spi-fsl-qspi: Add bindings of ls1088a and ls1012a
  2019-08-13 10:23 [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings Ashish Kumar
@ 2019-08-13 10:23 ` Ashish Kumar
  2019-08-13 10:23 ` [Patch v4 3/3] dt-bindings: Enhance binding to extend example for flash entry Ashish Kumar
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 17+ messages in thread
From: Ashish Kumar @ 2019-08-13 10:23 UTC (permalink / raw)
  To: linux-kernel, broonie, linux-spi, devicetree
  Cc: robh+dt, mark.rutland, linux-next, Ashish Kumar, Kuldeep Singh,
	Ashish Kumar

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Signed-off-by: Ashish Kumar <ashish.kumar@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Han Xu <han.xu@nxp.com>
---
v4:
-Rebase to spi.git,
-Add new patch to series.
-Previous versions reviewed here http://patchwork.ozlabs.org/patch/1118641/
v3:
Rebase to top
v2: 
Convert to patch series and rebasing done on top of tree

 Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
index 6d7c9ec..2c2a3e9 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
@@ -6,6 +6,8 @@ Required properties:
 		 "fsl,ls1021a-qspi", "fsl,ls2080a-qspi"
 		 or
 		 "fsl,ls1043a-qspi" followed by "fsl,ls1021a-qspi"
+		 "fsl,ls1012a-qspi" followed by "fsl,ls1021a-qspi"
+		 "fsl,ls1088a-qspi" followed by "fsl,ls2080a-qspi"
   - reg : the first contains the register location and length,
           the second contains the memory mapping address and length
   - reg-names: Should contain the reg names "QuadSPI" and "QuadSPI-memory"
-- 
2.7.4


^ permalink raw reply	[flat|nested] 17+ messages in thread

* [Patch v4 3/3] dt-bindings: Enhance binding to extend example for flash entry
  2019-08-13 10:23 [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings Ashish Kumar
  2019-08-13 10:23 ` [Patch v4 2/3] dt-bindings: spi: spi-fsl-qspi: Add bindings of ls1088a and ls1012a Ashish Kumar
@ 2019-08-13 10:23 ` Ashish Kumar
  2019-08-22 19:22   ` Applied "spi: fsl-qspi: Enhance binding to extend example for flash entry" to the spi tree Mark Brown
  2019-08-21 11:06 ` [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings Mark Brown
  2019-08-22 19:22 ` Applied "spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings" to the spi tree Mark Brown
  3 siblings, 1 reply; 17+ messages in thread
From: Ashish Kumar @ 2019-08-13 10:23 UTC (permalink / raw)
  To: linux-kernel, broonie, linux-spi, devicetree
  Cc: robh+dt, mark.rutland, linux-next, Ashish Kumar

Add example for adding flash entry on various boards' dts
using flash manufacture spansion/cypress.

Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
---
v4:
-Add new patch to series.
v3:
Not present
v2:
Not present
 
 Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
index 2c2a3e9..7ba0472 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
@@ -35,7 +35,11 @@ qspi0: quadspi@40044000 {
 	clock-names = "qspi_en", "qspi";
 
 	flash0: s25fl128s@0 {
-		....
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spansion,s25fl128s", "jedec,spi-nor";
+		spi-max-frequency = <50000000>;
+		reg = <0>;
 	};
 };
 
-- 
2.7.4


^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-13 10:23 [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings Ashish Kumar
  2019-08-13 10:23 ` [Patch v4 2/3] dt-bindings: spi: spi-fsl-qspi: Add bindings of ls1088a and ls1012a Ashish Kumar
  2019-08-13 10:23 ` [Patch v4 3/3] dt-bindings: Enhance binding to extend example for flash entry Ashish Kumar
@ 2019-08-21 11:06 ` Mark Brown
  2019-08-21 14:18   ` [EXT] " Ashish Kumar
  2019-08-22 19:22 ` Applied "spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings" to the spi tree Mark Brown
  3 siblings, 1 reply; 17+ messages in thread
From: Mark Brown @ 2019-08-21 11:06 UTC (permalink / raw)
  To: Ashish Kumar
  Cc: linux-kernel, linux-spi, devicetree, robh+dt, mark.rutland,
	linux-next, Kuldeep Singh

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On Tue, Aug 13, 2019 at 03:53:09PM +0530, Ashish Kumar wrote:

> There are 2 version of QSPI-IP, according to which controller registers sets
> can be big endian or little endian.There are some other minor changes like
> RX fifo depth etc.
> 
> The big endian version uses driver compatible "fsl,ls1021a-qspi" and
> little endian version uses driver compatible "fsl,ls2080a-qspi"

I'm not seeing the corresponding code changes anywhere?  I'd at least
expect to see the compatibles added, and it sounds like some actual code
updates are needed.

Please use subject lines matching the style for the subsystem.  This
makes it easier for people to identify relevant patches.

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^ permalink raw reply	[flat|nested] 17+ messages in thread

* RE: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-21 11:06 ` [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings Mark Brown
@ 2019-08-21 14:18   ` " Ashish Kumar
  2019-08-22  6:39     ` Ashish Kumar
  2019-08-22 19:05     ` Mark Brown
  0 siblings, 2 replies; 17+ messages in thread
From: Ashish Kumar @ 2019-08-21 14:18 UTC (permalink / raw)
  To: Mark Brown, shawnguo
  Cc: linux-kernel, linux-spi, devicetree, robh+dt, mark.rutland,
	linux-next, Kuldeep Singh



> -----Original Message-----
> From: Mark Brown <broonie@kernel.org>
> Sent: Wednesday, August 21, 2019 4:37 PM
> To: Ashish Kumar <ashish.kumar@nxp.com>
> Cc: linux-kernel@vger.kernel.org; linux-spi@vger.kernel.org;
> devicetree@vger.kernel.org; robh+dt@kernel.org; mark.rutland@arm.com;
> linux-next@vger.kernel.org; Kuldeep Singh <kuldeep.singh@nxp.com>
> Subject: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a
> compatibility string to bindings
> 
> On Tue, Aug 13, 2019 at 03:53:09PM +0530, Ashish Kumar wrote:
> 
> > There are 2 version of QSPI-IP, according to which controller
> > registers sets can be big endian or little endian.There are some other
> > minor changes like RX fifo depth etc.
> >
> > The big endian version uses driver compatible "fsl,ls1021a-qspi" and
> > little endian version uses driver compatible "fsl,ls2080a-qspi"
> 
> I'm not seeing the corresponding code changes anywhere?  I'd at least
> expect to see the compatibles added, and it sounds like some actual code
> updates are needed.
Hi Mark,

Snippet from driver spi-fsl-qspi.c
static const struct of_device_id fsl_qspi_dt_ids[] = {
        { .compatible = "fsl,vf610-qspi", .data = &vybrid_data, },
        { .compatible = "fsl,imx6sx-qspi", .data = &imx6sx_data, },
        { .compatible = "fsl,imx7d-qspi", .data = &imx7d_data, },
        { .compatible = "fsl,imx6ul-qspi", .data = &imx6ul_data, },
        { .compatible = "fsl,ls1021a-qspi", .data = &ls1021a_data, },
        { .compatible = "fsl,ls2080a-qspi", .data = &ls2080a_data, },
        { /* sentinel */ }
};
I had previously sent dts patch based out of Shawn's tree with dependency on these dt binding patch. To which Shawn had replied to get dependency patch accepted first before sending this dts change.
Reference conversion can be viewed here [1],[2].

This compatible can be seen here: file arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi

Snippet from previous dts patch based on Shawn tree, I will send next version on this patch after dt-bindings are updated
arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
index d7e78dcd153d..8e5ba513b24f 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
@@ -606,7 +606,7 @@
 
 		qspi: spi@20c0000 {
 			status = "disabled";
-			compatible = "fsl,ls2080a-qspi", "fsl,ls1021a-qspi";
+			compatible = "fsl,ls2080a-qspi";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x0 0x20c0000 0x0 0x10000>,
> 
> Please use subject lines matching the style for the subsystem.  This makes it
> easier for people to identify relevant patches.
Could you please guide more, or point to documentation to follow sub-system style.
dt-bindings: spi: spi-fsl-qspi: Add ls2080a-qspi compatibility string to bindings 
Is this a better now? if yes, I will send next version

[1]: https://www.spinics.net/lists/arm-kernel/msg727403.html
[2]: https://patchwork.kernel.org/patch/10192103/

Regards
Ashish

^ permalink raw reply	[flat|nested] 17+ messages in thread

* RE: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-21 14:18   ` [EXT] " Ashish Kumar
@ 2019-08-22  6:39     ` Ashish Kumar
  2019-08-22 18:49       ` Mark Brown
  2019-08-22 19:05     ` Mark Brown
  1 sibling, 1 reply; 17+ messages in thread
From: Ashish Kumar @ 2019-08-22  6:39 UTC (permalink / raw)
  To: Ashish Kumar, Mark Brown, shawnguo
  Cc: linux-kernel, linux-spi, devicetree, robh+dt, mark.rutland,
	linux-next, Kuldeep Singh



> -----Original Message-----
> From: devicetree-owner@vger.kernel.org <devicetree-
> owner@vger.kernel.org> On Behalf Of Ashish Kumar
> Sent: Wednesday, August 21, 2019 7:49 PM
> To: Mark Brown <broonie@kernel.org>; shawnguo@kernel.org
> Cc: linux-kernel@vger.kernel.org; linux-spi@vger.kernel.org;
> devicetree@vger.kernel.org; robh+dt@kernel.org; mark.rutland@arm.com;
> linux-next@vger.kernel.org; Kuldeep Singh <kuldeep.singh@nxp.com>
> Subject: RE: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a
> compatibility string to bindings
> 
> Caution: EXT Email
> 
> > -----Original Message-----
> > From: Mark Brown <broonie@kernel.org>
> > Sent: Wednesday, August 21, 2019 4:37 PM
> > To: Ashish Kumar <ashish.kumar@nxp.com>
> > Cc: linux-kernel@vger.kernel.org; linux-spi@vger.kernel.org;
> > devicetree@vger.kernel.org; robh+dt@kernel.org;
> mark.rutland@arm.com;
> > linux-next@vger.kernel.org; Kuldeep Singh <kuldeep.singh@nxp.com>
> > Subject: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add
> > ls2080a compatibility string to bindings
> >
> > On Tue, Aug 13, 2019 at 03:53:09PM +0530, Ashish Kumar wrote:
> >
> > > There are 2 version of QSPI-IP, according to which controller
> > > registers sets can be big endian or little endian.There are some
> > > other minor changes like RX fifo depth etc.
> > >
> > > The big endian version uses driver compatible "fsl,ls1021a-qspi" and
> > > little endian version uses driver compatible "fsl,ls2080a-qspi"
> >
> > I'm not seeing the corresponding code changes anywhere?  I'd at least
> > expect to see the compatibles added, and it sounds like some actual
> > code updates are needed.
> Hi Mark,
> 
> Snippet from driver spi-fsl-qspi.c
> static const struct of_device_id fsl_qspi_dt_ids[] = {
>         { .compatible = "fsl,vf610-qspi", .data = &vybrid_data, },
>         { .compatible = "fsl,imx6sx-qspi", .data = &imx6sx_data, },
>         { .compatible = "fsl,imx7d-qspi", .data = &imx7d_data, },
>         { .compatible = "fsl,imx6ul-qspi", .data = &imx6ul_data, },
>         { .compatible = "fsl,ls1021a-qspi", .data = &ls1021a_data, },
>         { .compatible = "fsl,ls2080a-qspi", .data = &ls2080a_data, },
>         { /* sentinel */ }
> };
> I had previously sent dts patch based out of Shawn's tree with dependency
> on these dt binding patch. To which Shawn had replied to get dependency
> patch accepted first before sending this dts change.
> Reference conversion can be viewed here [1],[2].
> 
> This compatible can be seen here: file arch/arm64/boot/dts/freescale/fsl-
> ls208xa.dtsi
> 
> Snippet from previous dts patch based on Shawn tree, I will send next
> version on this patch after dt-bindings are updated
> arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-) diff --git
> a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> index d7e78dcd153d..8e5ba513b24f 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> @@ -606,7 +606,7 @@
> 
>                 qspi: spi@20c0000 {
>                         status = "disabled";
> -                       compatible = "fsl,ls2080a-qspi", "fsl,ls1021a-qspi";
> +                       compatible = "fsl,ls2080a-qspi";
>                         #address-cells = <1>;
>                         #size-cells = <0>;
>                         reg = <0x0 0x20c0000 0x0 0x10000>,
> >
> > Please use subject lines matching the style for the subsystem.  This
> > makes it easier for people to identify relevant patches.
Hi Mark,

After looking at some patch in Documentation/devicetree/bindings/spi/
I think I should update subject line to
dt-bindings: spi: Add ls2080-qspi compatible string for FSL QSPI driver
or 
doc: qspi: Add ls2080-qspi compatible to DT bindings for FSL QSPI driver

Please suggest, if you think these are good or still need change.
Regards
Ashish 

> Could you please guide more, or point to documentation to follow sub-
> system style.
> dt-bindings: spi: spi-fsl-qspi: Add ls2080a-qspi compatibility string to bindings
> Is this a better now? if yes, I will send next version
> 
> [1]:
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww
> .spinics.net%2Flists%2Farm-
> kernel%2Fmsg727403.html&amp;data=02%7C01%7Cashish.kumar%40nxp.co
> m%7C5922d2067b004c8f8f2c08d72642800c%7C686ea1d3bc2b4c6fa92cd99c5c
> 301635%7C0%7C0%7C637019939369034444&amp;sdata=HsumTqK0SiaBjzmbK
> 9r5dfpNtWHiZ%2FcB9e%2Bwy7SW160%3D&amp;reserved=0
> [2]:
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatch
> work.kernel.org%2Fpatch%2F10192103%2F&amp;data=02%7C01%7Cashish.k
> umar%40nxp.com%7C5922d2067b004c8f8f2c08d72642800c%7C686ea1d3bc2b
> 4c6fa92cd99c5c301635%7C0%7C0%7C637019939369034444&amp;sdata=2xRb
> YdJHTibb1BM0iNSJ00P69s2RKj9SLNFNUsneT8I%3D&amp;reserved=0
> 
> Regards
> Ashish

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-22  6:39     ` Ashish Kumar
@ 2019-08-22 18:49       ` Mark Brown
  2019-08-27 15:50         ` Rob Herring
  0 siblings, 1 reply; 17+ messages in thread
From: Mark Brown @ 2019-08-22 18:49 UTC (permalink / raw)
  To: Ashish Kumar
  Cc: shawnguo, linux-kernel, linux-spi, devicetree, robh+dt,
	mark.rutland, linux-next, Kuldeep Singh

[-- Attachment #1: Type: text/plain, Size: 519 bytes --]

On Thu, Aug 22, 2019 at 06:39:18AM +0000, Ashish Kumar wrote:

> > > Please use subject lines matching the style for the subsystem.  This
> > > makes it easier for people to identify relevant patches.
> Hi Mark,

> After looking at some patch in Documentation/devicetree/bindings/spi/
> I think I should update subject line to
> dt-bindings: spi: Add ls2080-qspi compatible string for FSL QSPI driver
> or 
> doc: qspi: Add ls2080-qspi compatible to DT bindings for FSL QSPI driver

Drop the dt-bindings:.

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^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-21 14:18   ` [EXT] " Ashish Kumar
  2019-08-22  6:39     ` Ashish Kumar
@ 2019-08-22 19:05     ` Mark Brown
  2019-08-26  6:19       ` Ashish Kumar
  1 sibling, 1 reply; 17+ messages in thread
From: Mark Brown @ 2019-08-22 19:05 UTC (permalink / raw)
  To: Ashish Kumar
  Cc: shawnguo, linux-kernel, linux-spi, devicetree, robh+dt,
	mark.rutland, linux-next, Kuldeep Singh

[-- Attachment #1: Type: text/plain, Size: 1164 bytes --]

On Wed, Aug 21, 2019 at 02:18:43PM +0000, Ashish Kumar wrote:

Please fix your mail client to word wrap within paragraphs at something
substantially less than 80 columns.  Doing this makes your messages much
easier to read and reply to.

> Snippet from driver spi-fsl-qspi.c
> static const struct of_device_id fsl_qspi_dt_ids[] = {
>         { .compatible = "fsl,vf610-qspi", .data = &vybrid_data, },
>         { .compatible = "fsl,imx6sx-qspi", .data = &imx6sx_data, },
>         { .compatible = "fsl,imx7d-qspi", .data = &imx7d_data, },
>         { .compatible = "fsl,imx6ul-qspi", .data = &imx6ul_data, },
>         { .compatible = "fsl,ls1021a-qspi", .data = &ls1021a_data, },
>         { .compatible = "fsl,ls2080a-qspi", .data = &ls2080a_data, },
>         { /* sentinel */ }
> };

> I had previously sent dts patch based out of Shawn's tree with
> dependency on these dt binding patch. To which Shawn had
> replied to get dependency patch accepted first before sending
> this dts change.

Right, there appears to be an entry for patch 1 which was added
without the binding doc being updated - patch 2 looks to not have
the compatibles in the driver though?

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^ permalink raw reply	[flat|nested] 17+ messages in thread

* Applied "spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings" to the spi tree
  2019-08-13 10:23 [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings Ashish Kumar
                   ` (2 preceding siblings ...)
  2019-08-21 11:06 ` [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings Mark Brown
@ 2019-08-22 19:22 ` Mark Brown
  3 siblings, 0 replies; 17+ messages in thread
From: Mark Brown @ 2019-08-22 19:22 UTC (permalink / raw)
  To: Ashish Kumar
  Cc: Ashish Kumar, broonie, devicetree, Han Xu, Kuldeep Singh,
	linux-kernel, linux-next, linux-spi, Mark Brown, mark.rutland,
	robh+dt

The patch

   spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings

has been applied to the spi tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

From be28f76b7e8ffaf04690e30fd17683d8afea1fd9 Mon Sep 17 00:00:00 2001
From: Ashish Kumar <Ashish.Kumar@nxp.com>
Date: Tue, 13 Aug 2019 15:53:09 +0530
Subject: [PATCH] spi: spi-fsl-qspi: Add ls2080a compatibility string to
 bindings

There are 2 version of QSPI-IP, according to which controller registers sets
can be big endian or little endian.There are some other minor changes like
RX fifo depth etc.

The big endian version uses driver compatible "fsl,ls1021a-qspi" and
little endian version uses driver compatible "fsl,ls2080a-qspi"

Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Signed-off-by: Ashish Kumar <ashish.kumar@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Han Xu <han.xu@nxp.com>
Link: https://lore.kernel.org/r/1565691791-26167-1-git-send-email-Ashish.Kumar@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
index 1b23cfd7b39b..69dc5d57b1ef 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
@@ -3,9 +3,8 @@
 Required properties:
   - compatible : Should be "fsl,vf610-qspi", "fsl,imx6sx-qspi",
 		 "fsl,imx7d-qspi", "fsl,imx6ul-qspi",
-		 "fsl,ls1021a-qspi"
+		 "fsl,ls1021a-qspi", "fsl,ls2080a-qspi"
 		 or
-		 "fsl,ls2080a-qspi" followed by "fsl,ls1021a-qspi",
 		 "fsl,ls1043a-qspi" followed by "fsl,ls1021a-qspi"
   - reg : the first contains the register location and length,
           the second contains the memory mapping address and length
-- 
2.20.1


^ permalink raw reply	[flat|nested] 17+ messages in thread

* Applied "spi: fsl-qspi: Enhance binding to extend example for flash entry" to the spi tree
  2019-08-13 10:23 ` [Patch v4 3/3] dt-bindings: Enhance binding to extend example for flash entry Ashish Kumar
@ 2019-08-22 19:22   ` Mark Brown
  0 siblings, 0 replies; 17+ messages in thread
From: Mark Brown @ 2019-08-22 19:22 UTC (permalink / raw)
  To: Ashish Kumar
  Cc: broonie, devicetree, linux-kernel, linux-next, linux-spi,
	Mark Brown, mark.rutland, robh+dt

The patch

   spi: fsl-qspi: Enhance binding to extend example for flash entry

has been applied to the spi tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

From 303290e130bfd504a8230f49e545f6b91e120553 Mon Sep 17 00:00:00 2001
From: Ashish Kumar <Ashish.Kumar@nxp.com>
Date: Tue, 13 Aug 2019 15:53:11 +0530
Subject: [PATCH] spi: fsl-qspi: Enhance binding to extend example for flash
 entry

Add example for adding flash entry on various boards' dts
using flash manufacture spansion/cypress.

Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Link: https://lore.kernel.org/r/1565691791-26167-3-git-send-email-Ashish.Kumar@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
index e8f1d627d288..1b23cfd7b39b 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-qspi.txt
@@ -34,7 +34,11 @@ qspi0: quadspi@40044000 {
 	clock-names = "qspi_en", "qspi";
 
 	flash0: s25fl128s@0 {
-		....
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spansion,s25fl128s", "jedec,spi-nor";
+		spi-max-frequency = <50000000>;
+		reg = <0>;
 	};
 };
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 17+ messages in thread

* RE: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-22 19:05     ` Mark Brown
@ 2019-08-26  6:19       ` Ashish Kumar
  2019-08-27 18:03         ` Mark Brown
  0 siblings, 1 reply; 17+ messages in thread
From: Ashish Kumar @ 2019-08-26  6:19 UTC (permalink / raw)
  To: Mark Brown
  Cc: shawnguo, linux-kernel, linux-spi, devicetree, robh+dt,
	mark.rutland, linux-next, Kuldeep Singh



> -----Original Message-----
> From: Mark Brown <broonie@kernel.org>
> Sent: Friday, August 23, 2019 12:35 AM
> To: Ashish Kumar <ashish.kumar@nxp.com>
> Cc: shawnguo@kernel.org; linux-kernel@vger.kernel.org; linux-
> spi@vger.kernel.org; devicetree@vger.kernel.org; robh+dt@kernel.org;
> mark.rutland@arm.com; linux-next@vger.kernel.org; Kuldeep Singh
> <kuldeep.singh@nxp.com>
> Subject: Re: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a
> compatibility string to bindings
> 
> On Wed, Aug 21, 2019 at 02:18:43PM +0000, Ashish Kumar wrote:
> 
> Please fix your mail client to word wrap within paragraphs at something
> substantially less than 80 columns.  Doing this makes your messages much
> easier to read and reply to.
> 
> > Snippet from driver spi-fsl-qspi.c
> > static const struct of_device_id fsl_qspi_dt_ids[] = {
> >         { .compatible = "fsl,vf610-qspi", .data = &vybrid_data, },
> >         { .compatible = "fsl,imx6sx-qspi", .data = &imx6sx_data, },
> >         { .compatible = "fsl,imx7d-qspi", .data = &imx7d_data, },
> >         { .compatible = "fsl,imx6ul-qspi", .data = &imx6ul_data, },
> >         { .compatible = "fsl,ls1021a-qspi", .data = &ls1021a_data, },
> >         { .compatible = "fsl,ls2080a-qspi", .data = &ls2080a_data, },
> >         { /* sentinel */ }
> > };
> 
> > I had previously sent dts patch based out of Shawn's tree with
> > dependency on these dt binding patch. To which Shawn had replied to
> > get dependency patch accepted first before sending this dts change.
> 
> Right, there appears to be an entry for patch 1 which was added without the
> binding doc being updated - patch 2 looks to not have the compatibles in the
> driver though?
Hi Mark,

For Patch-2, I intended to use this in arm64/boot/dts/freescale/fsl-ls1088a.dtsi (please see below), since both ls1088 and ls2080 has same QSPI controller.
So I had introduced new compatible
+                "fsl,ls1012a-qspi" followed by "fsl,ls1021a-qspi"
+                "fsl,ls1088a-qspi" followed by "fsl,ls2080a-qspi"

Now the dtsi will look like this:
               qspi: spi@20c0000 {
                        compatible = "fsl,ls2080a-qspi", "fsl,ls1088a-qspi";
                        #address-cells = <1>;
                        #size-cells = <0>;
                        reg = <0x0 0x20c0000 0x0 0x10000>,
                              <0x0 0x20000000 0x0 0x10000000>;
                        reg-names = "QuadSPI", "QuadSPI-memory";
                        interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
                        clock-names = "qspi_en", "qspi";
                        clocks = <&clockgen 4 3>, <&clockgen 4 3>;
                        status = "disabled";
                };

If you think this is incorrect, then I can add this in driver
{ .compatible = "fsl,ls1088a-qspi", .data = &ls2080a_data, },

Regards
Ashish 

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-22 18:49       ` Mark Brown
@ 2019-08-27 15:50         ` Rob Herring
  2019-08-27 19:56           ` Mark Brown
  0 siblings, 1 reply; 17+ messages in thread
From: Rob Herring @ 2019-08-27 15:50 UTC (permalink / raw)
  To: Mark Brown
  Cc: Ashish Kumar, shawnguo, linux-kernel, linux-spi, devicetree,
	mark.rutland, linux-next, Kuldeep Singh

On Thu, Aug 22, 2019 at 07:49:27PM +0100, Mark Brown wrote:
> On Thu, Aug 22, 2019 at 06:39:18AM +0000, Ashish Kumar wrote:
> 
> > > > Please use subject lines matching the style for the subsystem.  This
> > > > makes it easier for people to identify relevant patches.
> > Hi Mark,
> 
> > After looking at some patch in Documentation/devicetree/bindings/spi/
> > I think I should update subject line to
> > dt-bindings: spi: Add ls2080-qspi compatible string for FSL QSPI driver
> > or 
> > doc: qspi: Add ls2080-qspi compatible to DT bindings for FSL QSPI driver
> 
> Drop the dt-bindings:.

If you do 'git log --oneline Documentation/devicetree/bindings/' you'll 
notice that SPI and ASoC are the oddballs now. I don't really care
except it does add to tribal knowledge needed regarding maintainers' 
requirements.

Rob

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-26  6:19       ` Ashish Kumar
@ 2019-08-27 18:03         ` Mark Brown
  2019-08-28  6:20           ` Ashish Kumar
  0 siblings, 1 reply; 17+ messages in thread
From: Mark Brown @ 2019-08-27 18:03 UTC (permalink / raw)
  To: Ashish Kumar
  Cc: shawnguo, linux-kernel, linux-spi, devicetree, robh+dt,
	mark.rutland, linux-next, Kuldeep Singh

[-- Attachment #1: Type: text/plain, Size: 582 bytes --]

On Mon, Aug 26, 2019 at 06:19:53AM +0000, Ashish Kumar wrote:

> For Patch-2, I intended to use this in arm64/boot/dts/freescale/fsl-ls1088a.dtsi (please see below), since both ls1088 and ls2080 has same QSPI controller.
> So I had introduced new compatible
> +                "fsl,ls1012a-qspi" followed by "fsl,ls1021a-qspi"
> +                "fsl,ls1088a-qspi" followed by "fsl,ls2080a-qspi"

Even if the compatible is supposed to be used in conjunction with
other fallbacks it should still explicitly be there in case
someone forgets or decides not to do that for some reason.

[-- Attachment #2: signature.asc --]
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^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-27 15:50         ` Rob Herring
@ 2019-08-27 19:56           ` Mark Brown
  2019-08-28 20:01             ` Rob Herring
  0 siblings, 1 reply; 17+ messages in thread
From: Mark Brown @ 2019-08-27 19:56 UTC (permalink / raw)
  To: Rob Herring
  Cc: Ashish Kumar, shawnguo, linux-kernel, linux-spi, devicetree,
	mark.rutland, linux-next, Kuldeep Singh

[-- Attachment #1: Type: text/plain, Size: 921 bytes --]

On Tue, Aug 27, 2019 at 10:50:05AM -0500, Rob Herring wrote:
> On Thu, Aug 22, 2019 at 07:49:27PM +0100, Mark Brown wrote:

> > Drop the dt-bindings:.

> If you do 'git log --oneline Documentation/devicetree/bindings/' you'll 
> notice that SPI and ASoC are the oddballs now. I don't really care
> except it does add to tribal knowledge needed regarding maintainers' 
> requirements.

Well, you have been pushing people to change over to using
dt-bindings: so I guess you do care :(  It really does cause me
to miss stuff, especially where people don't even include the
subsystem name in the header.  I get quite a lot of CCs for
things where I once reviewed a patch for a subsystem that made
use of some subsystem I do maintain or where one patch in a
series (perhaps even an already applied one) was relevant at some
point so I'm doing quite a bit of triage that's purely based on
the subject lines.

[-- Attachment #2: signature.asc --]
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^ permalink raw reply	[flat|nested] 17+ messages in thread

* RE: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-27 18:03         ` Mark Brown
@ 2019-08-28  6:20           ` Ashish Kumar
  0 siblings, 0 replies; 17+ messages in thread
From: Ashish Kumar @ 2019-08-28  6:20 UTC (permalink / raw)
  To: Mark Brown
  Cc: shawnguo, linux-kernel, linux-spi, devicetree, robh+dt,
	mark.rutland, linux-next, Kuldeep Singh



> -----Original Message-----
> From: Mark Brown <broonie@kernel.org>
> Sent: Tuesday, August 27, 2019 11:33 PM
> To: Ashish Kumar <ashish.kumar@nxp.com>
> Cc: shawnguo@kernel.org; linux-kernel@vger.kernel.org; linux-
> spi@vger.kernel.org; devicetree@vger.kernel.org; robh+dt@kernel.org;
> mark.rutland@arm.com; linux-next@vger.kernel.org; Kuldeep Singh
> <kuldeep.singh@nxp.com>
> Subject: Re: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a
> compatibility string to bindings
> 
> On Mon, Aug 26, 2019 at 06:19:53AM +0000, Ashish Kumar wrote:
> 
> > For Patch-2, I intended to use this in arm64/boot/dts/freescale/fsl-
> ls1088a.dtsi (please see below), since both ls1088 and ls2080 has same QSPI
> controller.
> > So I had introduced new compatible
> > +                "fsl,ls1012a-qspi" followed by "fsl,ls1021a-qspi"
> > +                "fsl,ls1088a-qspi" followed by "fsl,ls2080a-qspi"
> 
> Even if the compatible is supposed to be used in conjunction with other
> fallbacks it should still explicitly be there in case someone forgets or decides
> not to do that for some reason.
Thanks Mark, I will update the spi-fsl-qspi.c to include ls1088, ls1012 in driver data.

Regards
Ashish 

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-27 19:56           ` Mark Brown
@ 2019-08-28 20:01             ` Rob Herring
  2019-08-28 21:20               ` Mark Brown
  0 siblings, 1 reply; 17+ messages in thread
From: Rob Herring @ 2019-08-28 20:01 UTC (permalink / raw)
  To: Mark Brown
  Cc: Ashish Kumar, shawnguo, linux-kernel, linux-spi, devicetree,
	mark.rutland, linux-next, Kuldeep Singh

On Tue, Aug 27, 2019 at 2:56 PM Mark Brown <broonie@kernel.org> wrote:
>
> On Tue, Aug 27, 2019 at 10:50:05AM -0500, Rob Herring wrote:
> > On Thu, Aug 22, 2019 at 07:49:27PM +0100, Mark Brown wrote:
>
> > > Drop the dt-bindings:.
>
> > If you do 'git log --oneline Documentation/devicetree/bindings/' you'll
> > notice that SPI and ASoC are the oddballs now. I don't really care
> > except it does add to tribal knowledge needed regarding maintainers'
> > requirements.
>
> Well, you have been pushing people to change over to using
> dt-bindings: so I guess you do care :(

Well, yes. In the absence of any sort of pattern, I have pushed for
some consistency. And to get rid of subjects like this:

Documentation/devicetree/bindings: Add the DT binding documentation for foo-bar

If subsystems are consistent with their own standard as you are, then
as a maintainer I don't really care. My point was in regard to what
submitters need to know and follow.

> It really does cause me
> to miss stuff, especially where people don't even include the
> subsystem name in the header.  I get quite a lot of CCs for
> things where I once reviewed a patch for a subsystem that made
> use of some subsystem I do maintain or where one patch in a
> series (perhaps even an already applied one) was relevant at some
> point so I'm doing quite a bit of triage that's purely based on
> the subject lines.

I can't imagine filtering on subjects will ever be that reliable
unless we add subject prefixes to MAINTAINERS and have checkpatch
check commits against those. Filtering on the diffstat is the only
thing that's kept things to a sane list for me (MAINTAINERS for DT
used to tag of_* functions which just meant getting copied on *every*
driver). This is done on the patchwork server side for me, but I
imagine one could do it on the client side too.

Rob

^ permalink raw reply	[flat|nested] 17+ messages in thread

* Re: [EXT] Re: [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings
  2019-08-28 20:01             ` Rob Herring
@ 2019-08-28 21:20               ` Mark Brown
  0 siblings, 0 replies; 17+ messages in thread
From: Mark Brown @ 2019-08-28 21:20 UTC (permalink / raw)
  To: Rob Herring
  Cc: Ashish Kumar, shawnguo, linux-kernel, linux-spi, devicetree,
	mark.rutland, linux-next, Kuldeep Singh

[-- Attachment #1: Type: text/plain, Size: 2106 bytes --]

On Wed, Aug 28, 2019 at 03:01:15PM -0500, Rob Herring wrote:
> On Tue, Aug 27, 2019 at 2:56 PM Mark Brown <broonie@kernel.org> wrote:
> > On Tue, Aug 27, 2019 at 10:50:05AM -0500, Rob Herring wrote:

> > Well, you have been pushing people to change over to using
> > dt-bindings: so I guess you do care :(

> Well, yes. In the absence of any sort of pattern, I have pushed for
> some consistency. And to get rid of subjects like this:

> Documentation/devicetree/bindings: Add the DT binding documentation for foo-bar

> If subsystems are consistent with their own standard as you are, then
> as a maintainer I don't really care. My point was in regard to what
> submitters need to know and follow.

I agree that things should be more consistent.

> > It really does cause me
> > to miss stuff, especially where people don't even include the
> > subsystem name in the header.  I get quite a lot of CCs for

> I can't imagine filtering on subjects will ever be that reliable
> unless we add subject prefixes to MAINTAINERS and have checkpatch
> check commits against those. Filtering on the diffstat is the only
> thing that's kept things to a sane list for me (MAINTAINERS for DT
> used to tag of_* functions which just meant getting copied on *every*
> driver). This is done on the patchwork server side for me, but I
> imagine one could do it on the client side too.

Part of the problem for me here is that stuff that's flagged as just a
binding has a very high chance of being misdirected, I'm unlikely to
have much input unless it's for a driver or subsystem I maintain and I
get a lot of bindings docs for things like other bits of MFDs that have
a regulator on them or where there was some interesting interaction with
one of my subsystems that hasn't yet filtered out of get_maintainers'
view.

The other trick here is that sometimes I am actually being asked about
the thing that I'm getting CCed on so I don't want to actually filter
stuff out of my inbox, it's more of a scoring system thing with lots of
guessing going on.  I say filtering but it's more a strong signal than
strictly a filter.

[-- Attachment #2: signature.asc --]
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^ permalink raw reply	[flat|nested] 17+ messages in thread

end of thread, back to index

Thread overview: 17+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-08-13 10:23 [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings Ashish Kumar
2019-08-13 10:23 ` [Patch v4 2/3] dt-bindings: spi: spi-fsl-qspi: Add bindings of ls1088a and ls1012a Ashish Kumar
2019-08-13 10:23 ` [Patch v4 3/3] dt-bindings: Enhance binding to extend example for flash entry Ashish Kumar
2019-08-22 19:22   ` Applied "spi: fsl-qspi: Enhance binding to extend example for flash entry" to the spi tree Mark Brown
2019-08-21 11:06 ` [Patch v4 1/3] dt-bindings: spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings Mark Brown
2019-08-21 14:18   ` [EXT] " Ashish Kumar
2019-08-22  6:39     ` Ashish Kumar
2019-08-22 18:49       ` Mark Brown
2019-08-27 15:50         ` Rob Herring
2019-08-27 19:56           ` Mark Brown
2019-08-28 20:01             ` Rob Herring
2019-08-28 21:20               ` Mark Brown
2019-08-22 19:05     ` Mark Brown
2019-08-26  6:19       ` Ashish Kumar
2019-08-27 18:03         ` Mark Brown
2019-08-28  6:20           ` Ashish Kumar
2019-08-22 19:22 ` Applied "spi: spi-fsl-qspi: Add ls2080a compatibility string to bindings" to the spi tree Mark Brown

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