Re: [PATCH v3] of: replace Asahi Kasei Corp venter prefix

[Alexandre Courbot <acourbot@nvidia.com>]

On 11/14/2014 10:43 AM, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
>
> Current vendor-prefixes.txt already has
> "ak" prefix for Asahi Kasei Corp by
> ae8c4209af2cec065fef15d200a42a04130799f7
> (of: Add vendor prefix for Asahi Kasei Corp.)
>
> It went through the appropriate review process.
> But, almost all Asahi Kasei chip drivers are
> using "asahi-kasei" prefix today.
> (arch/arm/boot/dts/tegra20-seaboard.dts only is
> using "ak,ak8975", but there are instances of
> "asahi-kasei,ak8975" in other dts files.
> And drivers/iio/magnetometer/ak8975.c
> doesn't support "ak,ak8975")
> So, we made a mistake there.
>
> In addition, checkpatch.pl reports WARNING
> if it is using "asahi-kasei" prerfix in DT file.
> (DT compatible string vendor "asahi-kasei" appears un-documented)
>
> Marking it deprecated and warning with checkpatch
> is certainly preferable.
> So, this patch replace "ak" to "asahi-kasei" in
> vendor-prefixes.txt. (and fixup tegra20-seaboard)
>
> OTOH, Asahi Kasei is usually referred to as "AKM",
> but this patch doesn't care about it.
> Because no DT is using that today.
>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> ---
>   .../devicetree/bindings/vendor-prefixes.txt        |    2 +-
>   arch/arm/boot/dts/tegra20-seaboard.dts             |    2 +-
>   2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 723999d..ddcb4cd 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -9,7 +9,6 @@ ad	Avionic Design GmbH
>   adapteva	Adapteva, Inc.
>   adi	Analog Devices, Inc.
>   aeroflexgaisler	Aeroflex Gaisler AB
> -ak	Asahi Kasei Corp.
>   allwinner	Allwinner Technology Co., Ltd.
>   altr	Altera Corp.
>   amcc	Applied Micro Circuits Corporation (APM, formally AMCC)
> @@ -20,6 +19,7 @@ amstaos	AMS-Taos Inc.
>   apm	Applied Micro Circuits Corporation (APM)
>   arm	ARM Ltd.
>   armadeus	ARMadeus Systems SARL
> +asahi-kasei	Asahi Kasei Corp.
>   atmel	Atmel Corporation
>   auo	AU Optronics Corporation
>   avago	Avago Technologies
> diff --git a/arch/arm/boot/dts/tegra20-seaboard.dts b/arch/arm/boot/dts/tegra20-seaboard.dts
> index a1d4bf9..7f5cf80 100644
> --- a/arch/arm/boot/dts/tegra20-seaboard.dts
> +++ b/arch/arm/boot/dts/tegra20-seaboard.dts
> @@ -405,7 +405,7 @@
>   		clock-frequency = <400000>;
>
>   		magnetometer@c {
> -			compatible = "ak,ak8975";
> +			compatible = "asahi-kasei,ak8975";

Mmm. So does this mean this device was never probed because the driver 
did not recognize its compatible property? I cannot find "ak,ak8975" 
anywhere else in the kernel.

If so,

Acked-by: Alexandre Courbot <acourbot@nvidia.com>