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* [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log
@ 2022-07-22  7:47 ` Javier Martinez Canillas
  0 siblings, 0 replies; 10+ messages in thread
From: Javier Martinez Canillas @ 2022-07-22  7:47 UTC (permalink / raw)
  To: linux-kernel
  Cc: Erico Nunes, Enric Balletbo i Serra, Javier Martinez Canillas,
	Andrzej Hajda, Daniel Vetter, David Airlie, Douglas Anderson,
	Jernej Skrabec, Jonas Karlman, Laurent Pinchart, Neil Armstrong,
	Robert Foss, dri-devel

If devm_drm_of_get_bridge() can't find the connected bridge, it returns an
ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred.

But this path also prints an error message, which pollutes the kernel log
since is printed on every probe deferral, i.e:

  $ dmesg | grep "failed to create panel bridge" | wc -l
  38

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
---

 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 369bf72717f6..90bbabde1595 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -1206,10 +1206,9 @@ static int ti_sn_bridge_probe(struct auxiliary_device *adev,
 	int ret;
 
 	pdata->next_bridge = devm_drm_of_get_bridge(pdata->dev, np, 1, 0);
-	if (IS_ERR(pdata->next_bridge)) {
-		DRM_ERROR("failed to create panel bridge\n");
-		return PTR_ERR(pdata->next_bridge);
-	}
+	if (IS_ERR(pdata->next_bridge))
+		return dev_err_probe(pdata->dev, PTR_ERR(pdata->next_bridge),
+				     "failed to create panel bridge\n");
 
 	ti_sn_bridge_parse_lanes(pdata, np);
 
-- 
2.36.1


^ permalink raw reply related	[flat|nested] 10+ messages in thread

* [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log
@ 2022-07-22  7:47 ` Javier Martinez Canillas
  0 siblings, 0 replies; 10+ messages in thread
From: Javier Martinez Canillas @ 2022-07-22  7:47 UTC (permalink / raw)
  To: linux-kernel
  Cc: Andrzej Hajda, Jonas Karlman, David Airlie, Robert Foss,
	dri-devel, Erico Nunes, Javier Martinez Canillas, Jernej Skrabec,
	Douglas Anderson, Neil Armstrong, Enric Balletbo i Serra,
	Laurent Pinchart

If devm_drm_of_get_bridge() can't find the connected bridge, it returns an
ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred.

But this path also prints an error message, which pollutes the kernel log
since is printed on every probe deferral, i.e:

  $ dmesg | grep "failed to create panel bridge" | wc -l
  38

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
---

 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 369bf72717f6..90bbabde1595 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -1206,10 +1206,9 @@ static int ti_sn_bridge_probe(struct auxiliary_device *adev,
 	int ret;
 
 	pdata->next_bridge = devm_drm_of_get_bridge(pdata->dev, np, 1, 0);
-	if (IS_ERR(pdata->next_bridge)) {
-		DRM_ERROR("failed to create panel bridge\n");
-		return PTR_ERR(pdata->next_bridge);
-	}
+	if (IS_ERR(pdata->next_bridge))
+		return dev_err_probe(pdata->dev, PTR_ERR(pdata->next_bridge),
+				     "failed to create panel bridge\n");
 
 	ti_sn_bridge_parse_lanes(pdata, np);
 
-- 
2.36.1


^ permalink raw reply related	[flat|nested] 10+ messages in thread

* Re: [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log
  2022-07-22  7:47 ` Javier Martinez Canillas
@ 2022-07-22  8:52   ` Neil Armstrong
  -1 siblings, 0 replies; 10+ messages in thread
From: Neil Armstrong @ 2022-07-22  8:52 UTC (permalink / raw)
  To: Javier Martinez Canillas, linux-kernel
  Cc: Andrzej Hajda, Jonas Karlman, David Airlie, Robert Foss,
	dri-devel, Erico Nunes, Douglas Anderson, Jernej Skrabec,
	Enric Balletbo i Serra, Laurent Pinchart

On 22/07/2022 09:47, Javier Martinez Canillas wrote:
> If devm_drm_of_get_bridge() can't find the connected bridge, it returns an
> ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred.
> 
> But this path also prints an error message, which pollutes the kernel log
> since is printed on every probe deferral, i.e:
> 
>    $ dmesg | grep "failed to create panel bridge" | wc -l
>    38
> 
> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
> ---
> 
>   drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 +++----
>   1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index 369bf72717f6..90bbabde1595 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -1206,10 +1206,9 @@ static int ti_sn_bridge_probe(struct auxiliary_device *adev,
>   	int ret;
>   
>   	pdata->next_bridge = devm_drm_of_get_bridge(pdata->dev, np, 1, 0);
> -	if (IS_ERR(pdata->next_bridge)) {
> -		DRM_ERROR("failed to create panel bridge\n");
> -		return PTR_ERR(pdata->next_bridge);
> -	}
> +	if (IS_ERR(pdata->next_bridge))
> +		return dev_err_probe(pdata->dev, PTR_ERR(pdata->next_bridge),
> +				     "failed to create panel bridge\n");
>   
>   	ti_sn_bridge_parse_lanes(pdata, np);
>   

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>

^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log
@ 2022-07-22  8:52   ` Neil Armstrong
  0 siblings, 0 replies; 10+ messages in thread
From: Neil Armstrong @ 2022-07-22  8:52 UTC (permalink / raw)
  To: Javier Martinez Canillas, linux-kernel
  Cc: Erico Nunes, Enric Balletbo i Serra, Andrzej Hajda,
	Daniel Vetter, David Airlie, Douglas Anderson, Jernej Skrabec,
	Jonas Karlman, Laurent Pinchart, Robert Foss, dri-devel

On 22/07/2022 09:47, Javier Martinez Canillas wrote:
> If devm_drm_of_get_bridge() can't find the connected bridge, it returns an
> ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred.
> 
> But this path also prints an error message, which pollutes the kernel log
> since is printed on every probe deferral, i.e:
> 
>    $ dmesg | grep "failed to create panel bridge" | wc -l
>    38
> 
> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
> ---
> 
>   drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 +++----
>   1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index 369bf72717f6..90bbabde1595 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -1206,10 +1206,9 @@ static int ti_sn_bridge_probe(struct auxiliary_device *adev,
>   	int ret;
>   
>   	pdata->next_bridge = devm_drm_of_get_bridge(pdata->dev, np, 1, 0);
> -	if (IS_ERR(pdata->next_bridge)) {
> -		DRM_ERROR("failed to create panel bridge\n");
> -		return PTR_ERR(pdata->next_bridge);
> -	}
> +	if (IS_ERR(pdata->next_bridge))
> +		return dev_err_probe(pdata->dev, PTR_ERR(pdata->next_bridge),
> +				     "failed to create panel bridge\n");
>   
>   	ti_sn_bridge_parse_lanes(pdata, np);
>   

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>

^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log
  2022-07-22  7:47 ` Javier Martinez Canillas
@ 2022-07-22 12:56   ` Andrzej Hajda
  -1 siblings, 0 replies; 10+ messages in thread
From: Andrzej Hajda @ 2022-07-22 12:56 UTC (permalink / raw)
  To: Javier Martinez Canillas, linux-kernel
  Cc: Erico Nunes, Enric Balletbo i Serra, Daniel Vetter, David Airlie,
	Douglas Anderson, Jernej Skrabec, Jonas Karlman,
	Laurent Pinchart, Neil Armstrong, Robert Foss, dri-devel



On 22.07.2022 09:47, Javier Martinez Canillas wrote:
> If devm_drm_of_get_bridge() can't find the connected bridge, it returns an
> ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred.
>
> But this path also prints an error message, which pollutes the kernel log
> since is printed on every probe deferral, i.e:
>
>    $ dmesg | grep "failed to create panel bridge" | wc -l
>    38
>
> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>

Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>

Regards
Andrzej

> ---
>
>   drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 +++----
>   1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index 369bf72717f6..90bbabde1595 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -1206,10 +1206,9 @@ static int ti_sn_bridge_probe(struct auxiliary_device *adev,
>   	int ret;
>   
>   	pdata->next_bridge = devm_drm_of_get_bridge(pdata->dev, np, 1, 0);
> -	if (IS_ERR(pdata->next_bridge)) {
> -		DRM_ERROR("failed to create panel bridge\n");
> -		return PTR_ERR(pdata->next_bridge);
> -	}
> +	if (IS_ERR(pdata->next_bridge))
> +		return dev_err_probe(pdata->dev, PTR_ERR(pdata->next_bridge),
> +				     "failed to create panel bridge\n");
>   
>   	ti_sn_bridge_parse_lanes(pdata, np);
>   


^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log
@ 2022-07-22 12:56   ` Andrzej Hajda
  0 siblings, 0 replies; 10+ messages in thread
From: Andrzej Hajda @ 2022-07-22 12:56 UTC (permalink / raw)
  To: Javier Martinez Canillas, linux-kernel
  Cc: Jonas Karlman, David Airlie, Robert Foss, dri-devel, Erico Nunes,
	Douglas Anderson, Jernej Skrabec, Neil Armstrong,
	Enric Balletbo i Serra, Laurent Pinchart



On 22.07.2022 09:47, Javier Martinez Canillas wrote:
> If devm_drm_of_get_bridge() can't find the connected bridge, it returns an
> ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred.
>
> But this path also prints an error message, which pollutes the kernel log
> since is printed on every probe deferral, i.e:
>
>    $ dmesg | grep "failed to create panel bridge" | wc -l
>    38
>
> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>

Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>

Regards
Andrzej

> ---
>
>   drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 +++----
>   1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index 369bf72717f6..90bbabde1595 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -1206,10 +1206,9 @@ static int ti_sn_bridge_probe(struct auxiliary_device *adev,
>   	int ret;
>   
>   	pdata->next_bridge = devm_drm_of_get_bridge(pdata->dev, np, 1, 0);
> -	if (IS_ERR(pdata->next_bridge)) {
> -		DRM_ERROR("failed to create panel bridge\n");
> -		return PTR_ERR(pdata->next_bridge);
> -	}
> +	if (IS_ERR(pdata->next_bridge))
> +		return dev_err_probe(pdata->dev, PTR_ERR(pdata->next_bridge),
> +				     "failed to create panel bridge\n");
>   
>   	ti_sn_bridge_parse_lanes(pdata, np);
>   


^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log
  2022-07-22  7:47 ` Javier Martinez Canillas
@ 2022-07-22 13:35   ` Doug Anderson
  -1 siblings, 0 replies; 10+ messages in thread
From: Doug Anderson @ 2022-07-22 13:35 UTC (permalink / raw)
  To: Javier Martinez Canillas
  Cc: LKML, Erico Nunes, Enric Balletbo i Serra, Andrzej Hajda,
	Daniel Vetter, David Airlie, Jernej Skrabec, Jonas Karlman,
	Laurent Pinchart, Neil Armstrong, Robert Foss, dri-devel

Hi,

On Fri, Jul 22, 2022 at 12:48 AM Javier Martinez Canillas
<javierm@redhat.com> wrote:
>
> If devm_drm_of_get_bridge() can't find the connected bridge, it returns an
> ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred.
>
> But this path also prints an error message, which pollutes the kernel log
> since is printed on every probe deferral, i.e:
>
>   $ dmesg | grep "failed to create panel bridge" | wc -l
>   38
>
> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
> ---
>
>  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)

Reviewed-by: Douglas Anderson <dianders@chromium.org>

If someone else doesn't beat me to it, I'll apply next week sometime.

^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log
@ 2022-07-22 13:35   ` Doug Anderson
  0 siblings, 0 replies; 10+ messages in thread
From: Doug Anderson @ 2022-07-22 13:35 UTC (permalink / raw)
  To: Javier Martinez Canillas
  Cc: Andrzej Hajda, Jonas Karlman, David Airlie, Robert Foss,
	dri-devel, Erico Nunes, LKML, Jernej Skrabec, Neil Armstrong,
	Enric Balletbo i Serra, Laurent Pinchart

Hi,

On Fri, Jul 22, 2022 at 12:48 AM Javier Martinez Canillas
<javierm@redhat.com> wrote:
>
> If devm_drm_of_get_bridge() can't find the connected bridge, it returns an
> ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred.
>
> But this path also prints an error message, which pollutes the kernel log
> since is printed on every probe deferral, i.e:
>
>   $ dmesg | grep "failed to create panel bridge" | wc -l
>   38
>
> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
> ---
>
>  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)

Reviewed-by: Douglas Anderson <dianders@chromium.org>

If someone else doesn't beat me to it, I'll apply next week sometime.

^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log
  2022-07-22 13:35   ` Doug Anderson
@ 2022-07-22 23:41     ` Javier Martinez Canillas
  -1 siblings, 0 replies; 10+ messages in thread
From: Javier Martinez Canillas @ 2022-07-22 23:41 UTC (permalink / raw)
  To: Doug Anderson
  Cc: Andrzej Hajda, Jonas Karlman, David Airlie, Robert Foss,
	dri-devel, Erico Nunes, LKML, Jernej Skrabec, Neil Armstrong,
	Enric Balletbo i Serra, Laurent Pinchart

On 7/22/22 15:35, Doug Anderson wrote:
> Hi,
> 
> On Fri, Jul 22, 2022 at 12:48 AM Javier Martinez Canillas
> <javierm@redhat.com> wrote:
>>
>> If devm_drm_of_get_bridge() can't find the connected bridge, it returns an
>> ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred.
>>
>> But this path also prints an error message, which pollutes the kernel log
>> since is printed on every probe deferral, i.e:
>>
>>   $ dmesg | grep "failed to create panel bridge" | wc -l
>>   38
>>
>> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
>> ---
>>
>>  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 +++----
>>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> Reviewed-by: Douglas Anderson <dianders@chromium.org>
> 
> If someone else doesn't beat me to it, I'll apply next week sometime.
> 

I've pushed this to drm-misc (drm-misc-next). Thanks all!

-- 
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat


^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log
@ 2022-07-22 23:41     ` Javier Martinez Canillas
  0 siblings, 0 replies; 10+ messages in thread
From: Javier Martinez Canillas @ 2022-07-22 23:41 UTC (permalink / raw)
  To: Doug Anderson
  Cc: Jernej Skrabec, Jonas Karlman, David Airlie, Erico Nunes, LKML,
	dri-devel, Neil Armstrong, Enric Balletbo i Serra, Robert Foss,
	Andrzej Hajda, Laurent Pinchart

On 7/22/22 15:35, Doug Anderson wrote:
> Hi,
> 
> On Fri, Jul 22, 2022 at 12:48 AM Javier Martinez Canillas
> <javierm@redhat.com> wrote:
>>
>> If devm_drm_of_get_bridge() can't find the connected bridge, it returns an
>> ERR_PTR(-EPROBE_DEFER) to indicate that the probe should be deferred.
>>
>> But this path also prints an error message, which pollutes the kernel log
>> since is printed on every probe deferral, i.e:
>>
>>   $ dmesg | grep "failed to create panel bridge" | wc -l
>>   38
>>
>> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
>> ---
>>
>>  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 7 +++----
>>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> Reviewed-by: Douglas Anderson <dianders@chromium.org>
> 
> If someone else doesn't beat me to it, I'll apply next week sometime.
> 

I've pushed this to drm-misc (drm-misc-next). Thanks all!

-- 
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat


^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2022-07-22 23:41 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-07-22  7:47 [PATCH] drm/bridge: ti-sn65dsi86: Use dev_err_probe() to avoid polluting the log Javier Martinez Canillas
2022-07-22  7:47 ` Javier Martinez Canillas
2022-07-22  8:52 ` Neil Armstrong
2022-07-22  8:52   ` Neil Armstrong
2022-07-22 12:56 ` Andrzej Hajda
2022-07-22 12:56   ` Andrzej Hajda
2022-07-22 13:35 ` Doug Anderson
2022-07-22 13:35   ` Doug Anderson
2022-07-22 23:41   ` Javier Martinez Canillas
2022-07-22 23:41     ` Javier Martinez Canillas

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