linux-kernel - Re: [PATCH 2/3] media: s5p-mfc:Add variant data for MFC v7 hardware for Exynos 3250 SOC

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Message-ID: <20221103105407.GB4937@tom-ThinkPad-T14s-Gen-2i>
Date:   Thu, 3 Nov 2022 11:54:07 +0100
From:   Tommaso Merciai <tommaso.merciai@...rulasolutions.com>
To:     Aakarsh Jain <aakarsh.jain@...sung.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        m.szyprowski@...sung.com, andrzej.hajda@...el.com,
        mchehab@...nel.org, hverkuil-cisco@...all.nl,
        ezequiel@...guardiasur.com.ar, jernej.skrabec@...il.com,
        benjamin.gaignard@...labora.com, krzysztof.kozlowski+dt@...aro.org,
        stanimir.varbanov@...aro.org, dillon.minfei@...il.com,
        david.plowman@...pberrypi.com, mark.rutland@....com,
        robh+dt@...nel.org, krzk+dt@...nel.org, andi@...zian.org,
        alim.akhtar@...sung.com, aswani.reddy@...sung.com,
        pankaj.dubey@...sung.com, smitha.t@...sung.com
Subject: Re: [PATCH 2/3] media: s5p-mfc:Add variant data for MFC v7 hardware
 for Exynos 3250 SOC

Hi Aakarsh,

On Wed, Nov 02, 2022 at 06:36:01PM +0530, Aakarsh Jain wrote:
> commit "5441e9dafdfc6dc40fa" which adds mfc v7 support for
> Exynos3250 and used the same compatible string as used by
> Exynos5240 but both the IPs are a bit different in terms of
> IP clock.
> Lets add variant driver data based on the new compatible string
> "samsung,exynos3250-mfc" for Exynos3250 SoC.
> 
> Suggested-by: Alim Akhtar <alim.akhtar@...sung.com>
> Fixes: 5441e9dafdfc ("[media] s5p-mfc: Core support for MFC v7")
> Signed-off-by: Aakarsh Jain <aakarsh.jain@...sung.com>
> ---
>  .../media/platform/samsung/s5p-mfc/s5p_mfc.c    | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
> index fca5c6405eec..007c7dbee037 100644
> --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
> +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
> @@ -1576,8 +1576,18 @@ static struct s5p_mfc_variant mfc_drvdata_v7 = {
>  	.port_num	= MFC_NUM_PORTS_V7,
>  	.buf_size	= &buf_size_v7,
>  	.fw_name[0]     = "s5p-mfc-v7.fw",
> -	.clk_names	= {"mfc", "sclk_mfc"},
> -	.num_clocks	= 2,
> +	.clk_names	= {"mfc"},
> +	.num_clocks	= 1,
> +};
> +
> +static struct s5p_mfc_variant mfc_drvdata_v7_3250 = {
> +	.version        = MFC_VERSION_V7,
> +	.version_bit    = MFC_V7_BIT,
> +	.port_num       = MFC_NUM_PORTS_V7,
> +	.buf_size       = &buf_size_v7,
> +	.fw_name[0]     = "s5p-mfc-v7.fw",
> +	.clk_names      = {"mfc", "sclk_mfc"},
> +	.num_clocks     = 2,
>  };
>  
>  static struct s5p_mfc_buf_size_v6 mfc_buf_size_v8 = {
> @@ -1647,6 +1657,9 @@ static const struct of_device_id exynos_mfc_match[] = {
>  	}, {
>  		.compatible = "samsung,mfc-v7",
>  		.data = &mfc_drvdata_v7,
> +	}, {
> +		.compatible = "samsung,exynos3250-mfc",
> +		.data = &mfc_drvdata_v7_3250,
>  	}, {
>  		.compatible = "samsung,mfc-v8",
>  		.data = &mfc_drvdata_v8,
> -- 
> 2.17.1
> 

Patch looks good to me, only one fix in commit body:

"... Exynos3250 and used the same compatible string..."

with:

"... Exynos3250 and use the same compatible string...

But this is a nitpicking :)

Regards,
Tommaso


-- 
Tommaso Merciai
Embedded Linux Engineer
tommaso.merciai@...rulasolutions.com
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