linux-kernel - Re: [PATCH v2 2/4] media: sunxi: sun6i-csi: Move the sun6i_csi

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Date:   Mon, 31 Aug 2020 13:48:47 +0300
From:   Sakari Ailus <sakari.ailus@...ux.intel.com>
To:     Kévin L'hôpital <kevin.lhopital@...tlin.com>
Cc:     linux-media@...r.kernel.org, robh+dt@...nel.org,
        mark.rutland@....com, mripard@...nel.org, wens@...e.org,
        yong.deng@...ewell.com, mchehab+samsung@...nel.org,
        p.zabel@...gutronix.de, hans.verkuil@...co.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        paul.kocialkowski@...tlin.com, thomas.petazzoni@...tlin.com
Subject: Re: [PATCH v2 2/4] media: sunxi: sun6i-csi: Move the sun6i_csi_dev
 structure to the common header

Hi Kévin,

On Fri, Aug 28, 2020 at 03:17:34PM +0200, Kévin L'hôpital wrote:
> Access to the sun6i_csi_dev structure is needed to add the
> MIPI CSI2 support.
> 
> Signed-off-by: Kévin L'hôpital <kevin.lhopital@...tlin.com>
> ---
>  drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c | 12 ------------
>  drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h | 12 ++++++++++++
>  2 files changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
> index 055eb0b8e396..680fa31f380a 100644
> --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
> +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c
> @@ -29,18 +29,6 @@
>  
>  #define MODULE_NAME	"sun6i-csi"
>  
> -struct sun6i_csi_dev {
> -	struct sun6i_csi		csi;
> -	struct device			*dev;
> -
> -	struct regmap			*regmap;
> -	struct clk			*clk_mod;
> -	struct clk			*clk_ram;
> -	struct reset_control		*rstc_bus;
> -
> -	int				planar_offset[3];
> -};
> -
>  static inline struct sun6i_csi_dev *sun6i_csi_to_dev(struct sun6i_csi *csi)
>  {
>  	return container_of(csi, struct sun6i_csi_dev, csi);
> diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
> index 8b83d15de0d0..c4a87bdab8c3 100644
> --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
> +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h
> @@ -48,6 +48,18 @@ struct sun6i_csi {
>  	struct sun6i_video		video;
>  };
>  
> +struct sun6i_csi_dev {
> +	struct sun6i_csi	csi;
> +	struct device		*dev;
> +	struct regmap		*regmap;
> +	struct clk		*clk_mod;
> +	struct clk		*clk_ram;
> +	struct clk		*clk_mipi;
> +	struct clk		*clk_misc;

This patch adds two more clocks, please add them when you need them. I
think you could also squash the patch to another one that requires the
struct in the header.

> +	struct reset_control	*rstc_bus;
> +	int			planar_offset[3];
> +};
> +
>  /**
>   * sun6i_csi_is_format_supported() - check if the format supported by csi
>   * @csi:	pointer to the csi

-- 
Sakari Ailus