[PATCH 01/48] drm: omapdrm: dpi: Don't treat GPIO probe deferral as an error

[Sebastian Reichel]

Hi,

On Fri, Oct 13, 2017 at 05:58:57PM +0300, Laurent Pinchart wrote:
> There's no need to print an error message on probe deferral, that's a
> normal situation. Probe deferral debugging can be performed by enabling
> the related debug messages in the drivers core.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---
>  drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
> index 947295f9e30f..b8e420c7d680 100644
> --- a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
> +++ b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
> @@ -173,7 +173,8 @@ static int tfp410_probe_of(struct platform_device *pdev)
>  	if (gpio_is_valid(gpio) || gpio == -ENOENT) {
>  		ddata->pd_gpio = gpio;
>  	} else {
> -		dev_err(&pdev->dev, "failed to parse PD gpio\n");
> +		if (gpio != -EPROBE_DEFER)
> +			dev_err(&pdev->dev, "failed to parse PD gpio\n");
>  		return gpio;
>  	}

Reviewed-by: Sebastian Reichel <sebastian.reichel at collabora.co.uk>

-- Sebastian
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