[PATCH] drm/stm: dsi: Avoid printing errors for -EPROBE_DEFER

[Sam Ravnborg]

Hi Yannick

On Fri, Sep 18, 2020 at 01:46:24PM +0200, Yannick Fertre wrote:
> Don't print error when probe deferred error is returned.
> 
> Signed-off-by: Yannick Fertre <yannick.fertre at st.com>
> ---
>  drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> index 2e1f2664495d..164f79ef6269 100644
> --- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> +++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> @@ -419,7 +419,8 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
>  	dsi->dsi = dw_mipi_dsi_probe(pdev, &dw_mipi_dsi_stm_plat_data);
>  	if (IS_ERR(dsi->dsi)) {
>  		ret = PTR_ERR(dsi->dsi);
> -		DRM_ERROR("Failed to initialize mipi dsi host: %d\n", ret);
> +		if (ret != -EPROBE_DEFER)
> +			DRM_ERROR("Failed to initialize mipi dsi host: %d\n", ret);
>  		goto err_dsi_probe;

Please use dev_err_probe() here.
We will loose [drm] but gain more than we loose.

	Sam

>  	}
>  
> -- 
> 2.17.1
> 
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