Re: [PATCH 02/60] video: hdmi: Change return type of hdmi_avi_infoframe_init() to void

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Sorry, forgot to CC Bartlomiej on this patch.

On Sun, Jul 07, 2019 at 09:07:54PM +0300, Laurent Pinchart wrote:
> The hdmi_avi_infoframe_init() never needs to return an error, change its
> return type to void.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/drm_edid.c | 5 +----
>  drivers/video/hdmi.c       | 9 ++-------
>  include/linux/hdmi.h       | 2 +-
>  3 files changed, 4 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index d2e7a5334c3f..a7d3189ea8f3 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -5086,14 +5086,11 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
>  					 const struct drm_display_mode *mode)
>  {
>  	enum hdmi_picture_aspect picture_aspect;
> -	int err;
>  
>  	if (!frame || !mode)
>  		return -EINVAL;
>  
> -	err = hdmi_avi_infoframe_init(frame);
> -	if (err < 0)
> -		return err;
> +	hdmi_avi_infoframe_init(frame);
>  
>  	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
>  		frame->pixel_repeat = 1;
> diff --git a/drivers/video/hdmi.c b/drivers/video/hdmi.c
> index b939bc28d886..54fb7cf11d1a 100644
> --- a/drivers/video/hdmi.c
> +++ b/drivers/video/hdmi.c
> @@ -56,15 +56,13 @@ static void hdmi_infoframe_set_checksum(void *buffer, size_t size)
>   *
>   * Returns 0 on success or a negative error code on failure.
>   */
> -int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame)
> +void hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame)
>  {
>  	memset(frame, 0, sizeof(*frame));
>  
>  	frame->type = HDMI_INFOFRAME_TYPE_AVI;
>  	frame->version = 2;
>  	frame->length = HDMI_AVI_INFOFRAME_SIZE;
> -
> -	return 0;
>  }
>  EXPORT_SYMBOL(hdmi_avi_infoframe_init);
>  
> @@ -1553,7 +1551,6 @@ static int hdmi_avi_infoframe_unpack(struct hdmi_avi_infoframe *frame,
>  				     const void *buffer, size_t size)
>  {
>  	const u8 *ptr = buffer;
> -	int ret;
>  
>  	if (size < HDMI_INFOFRAME_SIZE(AVI))
>  		return -EINVAL;
> @@ -1566,9 +1563,7 @@ static int hdmi_avi_infoframe_unpack(struct hdmi_avi_infoframe *frame,
>  	if (hdmi_infoframe_checksum(buffer, HDMI_INFOFRAME_SIZE(AVI)) != 0)
>  		return -EINVAL;
>  
> -	ret = hdmi_avi_infoframe_init(frame);
> -	if (ret)
> -		return ret;
> +	hdmi_avi_infoframe_init(frame);
>  
>  	ptr += HDMI_INFOFRAME_HEADER_SIZE;
>  
> diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h
> index 9918a6c910c5..9613d796cfb1 100644
> --- a/include/linux/hdmi.h
> +++ b/include/linux/hdmi.h
> @@ -207,7 +207,7 @@ struct hdmi_drm_infoframe {
>  	u16 max_fall;
>  };
>  
> -int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
> +void hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
>  ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer,
>  				size_t size);
>  ssize_t hdmi_avi_infoframe_pack_only(const struct hdmi_avi_infoframe *frame,
> -- 
> Regards,
> 
> Laurent Pinchart
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Regards,

Laurent Pinchart
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