Re: [PATCH v2] ARM: shmobile: kzm9g dts: Use adxl345-specific compatible property

Hi Simon,

On Tuesday 07 July 2015 09:26:21 Simon Horman wrote:

On Mon, Jul 06, 2015 at 04:29:33PM +0300, Laurent Pinchart wrote:

quoted

On Monday 06 July 2015 12:55:32 Geert Uytterhoeven wrote:

quoted

Replace the deprecated generic "adi,adxl34x" compatible value by the
adxl345-specific "adi,adxl345" value, cfr. commit e465bf6fc55d5ce2 ("DT:
i2c: Deprecate adi,adxl34x compatible string").

Signed-off-by: Geert Uytterhoeven <redacted>

Acked-by: Laurent Pinchart <laurent.pinchart+renesas-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>

quoted

---
Depends on commit 3a38958d2477b718 ("Input: adxl34x - add OF match
support"), which is in v4.2-rc1.

This is v2 of "ARM: shmobile: kzm9g dts: Add adxl345-specific compatible
property".

It appears to me that this will cause a regression when booting old kernels
with new dts blobs. For that reason think we should consider v1
of this change coupled with a schedule to remove use of the deprecated
compat string.

That's the forward compatibility that Geert mentioned, is that really an 
issue, especially on this board ?

quoted

quoted

v2:
  - Drop deprecated "adi,adxl34x"

---

 arch/arm/boot/dts/sh73a0-kzm9g.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/sh73a0-kzm9g.dts

b/arch/arm/boot/dts/sh73a0-kzm9g.dts index
24b4cd24dceb2f9e..7fc5602810ad0da1 100644

--- a/arch/arm/boot/dts/sh73a0-kzm9g.dts
+++ b/arch/arm/boot/dts/sh73a0-kzm9g.dts

@@ -206,7 +206,7 @@
 	};
 	
 	accelerometer@1d {
-		compatible = "adi,adxl34x";
+		compatible = "adi,adxl345";
 		reg = <0x1d>;
 		interrupt-parent = <&irqpin3>;
 		interrupts = <2 IRQ_TYPE_LEVEL_HIGH>,

-- 
Regards,

Laurent Pinchart

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