linux-kernel - Re: [PATCH v2 2/3] ARM: dts: exynos: Add clean name of compatible.

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Message-id: <56587be3-a08e-f9a0-6d55-287ed3e1aad9@samsung.com>
Date:   Fri, 08 Sep 2017 11:48:30 +0900
From:   Hoegeun Kwon <hoegeun.kwon@...sung.com>
To:     Marek Szyprowski <m.szyprowski@...sung.com>, inki.dae@...sung.com,
        airlied@...ux.ie, kgene@...nel.org, krzk@...nel.org,
        robh+dt@...nel.org, mark.rutland@....com, catalin.marinas@....com,
        will.deacon@....com
Cc:     dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Hoegeun Kwon <hoegeun.kwon@...sung.com>
Subject: Re: [PATCH v2 2/3] ARM: dts: exynos: Add clean name of compatible.

On 09/07/2017 08:27 PM, Marek Szyprowski wrote:
> Hi Hoegeun,
>
> On 2017-09-07 11:39, Hoegeun Kwon wrote:
>> Exynos 5250 and 5420 have different hardware rotation limits. However,
>> currently it uses only one compatible - "exynos5-gsc". Since we have
>> to distinguish between these two, we add different compatible.
>>
>> Signed-off-by: Hoegeun Kwon <hoegeun.kwon@...sung.com>
>
> The new values (5250/5420 specific) should replace old exynos5-gsc, 
> there is no
> point providing both in dts.
>

Hi Marek,

Thanks for your review.

I used both compatibles to not modify v4l2.
But v4l2 will also be fixed, so 'exynos5-gsc' will be removed.

And also, Thanks for your comment for of_device_get_match_data() of 
patch(3/3).

Best regards,
Hoegeun

>> ---
>>   arch/arm/boot/dts/exynos5250.dtsi | 8 ++++----
>>   arch/arm/boot/dts/exynos5420.dtsi | 4 ++--
>>   2 files changed, 6 insertions(+), 6 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos5250.dtsi 
>> b/arch/arm/boot/dts/exynos5250.dtsi
>> index 8dbeb87..f795c76 100644
>> --- a/arch/arm/boot/dts/exynos5250.dtsi
>> +++ b/arch/arm/boot/dts/exynos5250.dtsi
>> @@ -637,7 +637,7 @@
>>           };
>>             gsc_0:  gsc@...00000 {
>> -            compatible = "samsung,exynos5-gsc";
>> +            compatible = "samsung,exynos5-gsc", 
>> samsung,exynos5250-gsc";
>>               reg = <0x13e00000 0x1000>;
>>               interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
>>               power-domains = <&pd_gsc>;
>> @@ -647,7 +647,7 @@
>>           };
>>             gsc_1:  gsc@...10000 {
>> -            compatible = "samsung,exynos5-gsc";
>> +            compatible = "samsung,exynos5-gsc", 
>> samsung,exynos5250-gsc";
>>               reg = <0x13e10000 0x1000>;
>>               interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
>>               power-domains = <&pd_gsc>;
>> @@ -657,7 +657,7 @@
>>           };
>>             gsc_2:  gsc@...20000 {
>> -            compatible = "samsung,exynos5-gsc";
>> +            compatible = "samsung,exynos5-gsc", 
>> samsung,exynos5250-gsc";
>>               reg = <0x13e20000 0x1000>;
>>               interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
>>               power-domains = <&pd_gsc>;
>> @@ -667,7 +667,7 @@
>>           };
>>             gsc_3:  gsc@...30000 {
>> -            compatible = "samsung,exynos5-gsc";
>> +            compatible = "samsung,exynos5-gsc", 
>> samsung,exynos5250-gsc";
>>               reg = <0x13e30000 0x1000>;
>>               interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
>>               power-domains = <&pd_gsc>;
>> diff --git a/arch/arm/boot/dts/exynos5420.dtsi 
>> b/arch/arm/boot/dts/exynos5420.dtsi
>> index 02d2f89..86afe77 100644
>> --- a/arch/arm/boot/dts/exynos5420.dtsi
>> +++ b/arch/arm/boot/dts/exynos5420.dtsi
>> @@ -658,7 +658,7 @@
>>           };
>>             gsc_0: video-scaler@...00000 {
>> -            compatible = "samsung,exynos5-gsc";
>> +            compatible = "samsung,exynos5-gsc", 
>> "samsung,exynos5420-gsc";
>>               reg = <0x13e00000 0x1000>;
>>               interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
>>               clocks = <&clock CLK_GSCL0>;
>> @@ -668,7 +668,7 @@
>>           };
>>             gsc_1: video-scaler@...10000 {
>> -            compatible = "samsung,exynos5-gsc";
>> +            compatible = "samsung,exynos5-gsc", 
>> "samsung,exynos5420-gsc";
>>               reg = <0x13e10000 0x1000>;
>>               interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
>>               clocks = <&clock CLK_GSCL1>;
>
> Best regards