On 27.07.22 20:40, Pali Rohár wrote:
On Wednesday 27 July 2022 14:55:51 Michael Nazzareno Trimarchi wrote:
Hi Pali

On Wed, Jul 27, 2022 at 2:49 PM Pali Rohár <p...@kernel.org> wrote:

Linux kernel uses compatible string "marvell,armada370-nand-controller" for
nand controllers on Armada 370/XP/38x. U-Boot currently uses mix of
"marvell,armada370-nand" and "marvell,mvebu-pxa3xx-nand".

So unify it and use just Linux kernel compatible string.

Signed-off-by: Pali Rohár <p...@kernel.org>
---
  arch/arm/dts/armada-370-xp.dtsi                  | 2 +-
  arch/arm/dts/armada-375.dtsi                     | 2 +-
  arch/arm/dts/armada-38x.dtsi                     | 2 +-
  arch/arm/dts/armada-xp-db-xc3-24g4xg-u-boot.dtsi | 2 +-
  drivers/mtd/nand/raw/pxa3xx_nand.c               | 2 +-
  5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/arm/dts/armada-370-xp.dtsi b/arch/arm/dts/armada-370-xp.dtsi
index 50fc0be9f73b..4cd168c95784 100644
--- a/arch/arm/dts/armada-370-xp.dtsi
+++ b/arch/arm/dts/armada-370-xp.dtsi
@@ -246,7 +246,7 @@
                         };

                         nand@d0000 {
-                               compatible = "marvell,armada370-nand";
+                               compatible = 
"marvell,armada370-nand-controller";
                                 reg = <0xd0000 0x54>;
                                 #address-cells = <1>;
                                 #size-cells = <1>;
diff --git a/arch/arm/dts/armada-375.dtsi b/arch/arm/dts/armada-375.dtsi
index ff0ad7a9c7fd..fcb9245fd496 100644
--- a/arch/arm/dts/armada-375.dtsi
+++ b/arch/arm/dts/armada-375.dtsi
@@ -541,7 +541,7 @@
                         };

                         nand@d0000 {
-                               compatible = "marvell,armada370-nand";
+                               compatible = 
"marvell,armada370-nand-controller";
                                 reg = <0xd0000 0x54>;
                                 #address-cells = <1>;
                                 #size-cells = <1>;
diff --git a/arch/arm/dts/armada-38x.dtsi b/arch/arm/dts/armada-38x.dtsi
index 061bd7852081..6979c0c50584 100644
--- a/arch/arm/dts/armada-38x.dtsi
+++ b/arch/arm/dts/armada-38x.dtsi
@@ -555,7 +555,7 @@
                         };

                         nand_controller: nand-controller@d0000 {
-                               compatible = 
"marvell,armada370-nand","marvell,mvebu-pxa3xx-nand";
+                               compatible = 
"marvell,armada370-nand-controller";
                                 reg = <0xd0000 0x54>;
                                 #address-cells = <1>;
                                 #size-cells = <0>;
diff --git a/arch/arm/dts/armada-xp-db-xc3-24g4xg-u-boot.dtsi 
b/arch/arm/dts/armada-xp-db-xc3-24g4xg-u-boot.dtsi
index 90cad85506d0..fdbe168a8734 100644
--- a/arch/arm/dts/armada-xp-db-xc3-24g4xg-u-boot.dtsi
+++ b/arch/arm/dts/armada-xp-db-xc3-24g4xg-u-boot.dtsi
@@ -5,7 +5,7 @@
  };

  &nand_controller {
-       compatible="marvell,mvebu-pxa3xx-nand";
+       compatible="marvell,armada370-nand-controller";
         status = "okay";
         label = "pxa3xx_nand-0";
         nand-rb = <0>;
diff --git a/drivers/mtd/nand/raw/pxa3xx_nand.c 
b/drivers/mtd/nand/raw/pxa3xx_nand.c
index 20d1aee7b3e1..9c29e8a6c214 100644
--- a/drivers/mtd/nand/raw/pxa3xx_nand.c
+++ b/drivers/mtd/nand/raw/pxa3xx_nand.c
@@ -429,7 +429,7 @@ static struct nand_ecclayout ecc_layout_8KB_bch8bit = {

  static const struct udevice_id pxa3xx_nand_dt_ids[] = {
         {
-               .compatible = "marvell,mvebu-pxa3xx-nand",
+               .compatible = "marvell,armada370-nand-controller",
                 .data = PXA3XX_NAND_VARIANT_ARMADA370,
         },
         {
--

I prefer that adding compatible go in a different patch

Hello! All this are fixes for Armada DTS files, so I put it into series
which updates Armada 38x DTS files. But to do not introduce a build or
runtime error, it is needed to fix compatible string also in
pxa3xx_nand driver in the same patch. Meaning, it has to be atomic
change.

I personally have no issues with this approach and frankly would
have done it also in one atomic change.

Thanks,
Stefan

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