[PATCH] drm/stm: dsi: stm mipi dsi doesn't print error on probe deferral

[PATCH] drm/stm: dsi: stm mipi dsi doesn't print error on probe deferral

[Yannick Fertre]

From: Etienne Carriere <etienne.carriere@st.com>

Change DSI driver to not print an error trace when probe
is deferred for a clock resource.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
---
 drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 4 +++-
 1 file changed, 3 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 4b16563..2e1f266 100644
--- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
+++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
@@ -377,7 +377,9 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
 	dsi->pllref_clk = devm_clk_get(dev, "ref");
 	if (IS_ERR(dsi->pllref_clk)) {
 		ret = PTR_ERR(dsi->pllref_clk);
-		DRM_ERROR("Unable to get pll reference clock: %d\n", ret);
+		if (ret != -EPROBE_DEFER)
+			DRM_ERROR("Unable to get pll reference clock: %d\n",
+				  ret);
 		goto err_clk_get;
 	}
 
-- 
2.7.4

Re: [PATCH] drm/stm: dsi: stm mipi dsi doesn't print error on probe deferral

[Philippe CORNU]

Dears Yannick & Etienne,
Thank you for your patch,

Reviewed-by: Philippe Cornu <philippe.cornu@st.com>

Philippe :-)

On 1/21/20 11:24 AM, Yannick Fertre wrote:
> From: Etienne Carriere <etienne.carriere@st.com>
> 
> Change DSI driver to not print an error trace when probe
> is deferred for a clock resource.
> 
> Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
> ---
>   drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 4 +++-
>   1 file changed, 3 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 4b16563..2e1f266 100644
> --- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> +++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> @@ -377,7 +377,9 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
>   	dsi->pllref_clk = devm_clk_get(dev, "ref");
>   	if (IS_ERR(dsi->pllref_clk)) {
>   		ret = PTR_ERR(dsi->pllref_clk);
> -		DRM_ERROR("Unable to get pll reference clock: %d\n", ret);
> +		if (ret != -EPROBE_DEFER)
> +			DRM_ERROR("Unable to get pll reference clock: %d\n",
> +				  ret);
>   		goto err_clk_get;
>   	}
>   
> 

Re: [PATCH] drm/stm: dsi: stm mipi dsi doesn't print error on probe deferral

[Benjamin Gaignard]

Le jeu. 23 janv. 2020 à 10:54, Philippe CORNU <philippe.cornu@st.com> a écrit :
>
> Dears Yannick & Etienne,
> Thank you for your patch,
>
> Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
>
> Philippe :-)
>
> On 1/21/20 11:24 AM, Yannick Fertre wrote:
> > From: Etienne Carriere <etienne.carriere@st.com>
> >
> > Change DSI driver to not print an error trace when probe
> > is deferred for a clock resource.

Applied on drm-misc-next?
Thanks,
Benjamin

> >
> > Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
> > ---
> >   drivers/gpu/drm/stm/dw_mipi_dsi-stm.c | 4 +++-
> >   1 file changed, 3 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 4b16563..2e1f266 100644
> > --- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> > +++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
> > @@ -377,7 +377,9 @@ static int dw_mipi_dsi_stm_probe(struct platform_device *pdev)
> >       dsi->pllref_clk = devm_clk_get(dev, "ref");
> >       if (IS_ERR(dsi->pllref_clk)) {
> >               ret = PTR_ERR(dsi->pllref_clk);
> > -             DRM_ERROR("Unable to get pll reference clock: %d\n", ret);
> > +             if (ret != -EPROBE_DEFER)
> > +                     DRM_ERROR("Unable to get pll reference clock: %d\n",
> > +                               ret);
> >               goto err_clk_get;
> >       }
> >
> >
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