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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: John Stultz <john.stultz@linaro.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
        Archit Taneja <architt@codeaurora.org>,
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        Mark Brown <broonie@kernel.org>, Lars-Peter Clausen <lars@metafoo.de>,
        Jose Abreu <joabreu@synopsys.com>, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 1/4 v2] drm/bridge: adv7511: Move the common data structures to header file
Date: Tue, 30 Aug 2016 11:56:43 +0300
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Hi John,

Thank you for the patch.

On Monday 29 Aug 2016 16:41:33 John Stultz wrote:
> From: Archit Taneja <architt@codeaurora.org>
> 
> This patch moves the adv7511 data structure to header file so that the
> audio driver file could use it.

Actually it doesn't, the data structure is already in the header file.

> Cc: David Airlie <airlied@linux.ie>
> Cc: Archit Taneja <architt@codeaurora.org>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
> Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
> Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
> Cc: Andy Green <andy@warmcat.com>
> Cc: Dave Long <dave.long@linaro.org>
> Cc: Guodong Xu <guodong.xu@linaro.org>
> Cc: Zhangfei Gao <zhangfei.gao@linaro.org>
> Cc: Mark Brown <broonie@kernel.org>
> Cc: Lars-Peter Clausen <lars@metafoo.de>
> Cc: Jose Abreu <joabreu@synopsys.com>
> Cc: dri-devel@lists.freedesktop.org
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> Signed-off-by: John Stultz <john.stultz@linaro.org>
> ---
>  drivers/gpu/drm/bridge/adv7511/adv7511.h     | 8 ++++++++
>  drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 4 ++--
>  2 files changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h
> b/drivers/gpu/drm/bridge/adv7511/adv7511.h index 161c923..c7002a0 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
> @@ -16,6 +16,14 @@
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_mipi_dsi.h>
> 
> +#include <drm/drm_crtc_helper.h>

Isn't it enough to include that header once ? :-)

> +
> +struct regmap;

This isn't needed, the header includes linux/regmap.h.

> +struct adv7511;
> +
> +int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int packet);
> +int adv7511_packet_disable(struct adv7511 *adv7511, unsigned int packet);

You can move those two functions at the end, with all the other function 
declarations, and get rid of the forward declaration of struct adv7511.

>  #define ADV7511_REG_CHIP_REVISION		0x00
>  #define ADV7511_REG_N0				0x01
>  #define ADV7511_REG_N1				0x02
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index ec8fb2e..f8eb7f8
> 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> @@ -160,7 +160,7 @@ static void adv7511_set_colormap(struct adv7511
> *adv7511, bool enable, ADV7511_CSC_UPDATE_MODE, 0);
>  }
> 
> -static int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int
> packet)
> +int adv7511_packet_enable(struct adv7511 *adv7511, unsigned int packet)
>  {
>  	if (packet & 0xff)
>  		regmap_update_bits(adv7511->regmap, 
ADV7511_REG_PACKET_ENABLE0,
> @@ -175,7 +175,7 @@ static int adv7511_packet_enable(struct adv7511
> *adv7511, unsigned int packet) return 0;
>  }
> 
> -static int adv7511_packet_disable(struct adv7511 *adv7511, unsigned int
> packet)
> +int adv7511_packet_disable(struct adv7511 *adv7511, unsigned int packet)
>  {
>  	if (packet & 0xff)
>  		regmap_update_bits(adv7511->regmap, 
ADV7511_REG_PACKET_ENABLE0,

-- 
Regards,

Laurent Pinchart