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* [PATCH 1/1] omap3isp: Unregister media device as first
@ 2018-10-09 12:03 Sakari Ailus
  2018-10-09 14:33 ` Laurent Pinchart
  0 siblings, 1 reply; 2+ messages in thread
From: Sakari Ailus @ 2018-10-09 12:03 UTC (permalink / raw)
  To: linux-media; +Cc: laurent.pinchart

While there are issues related to object lifetime management, unregister the
media device first when the driver is being unbound. This is slightly
safer.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/platform/omap3isp/isp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 93f032a39470..4194ea82e6c4 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -1587,6 +1587,8 @@ static void isp_pm_complete(struct device *dev)
 
 static void isp_unregister_entities(struct isp_device *isp)
 {
+	media_device_unregister(&isp->media_dev);
+
 	omap3isp_csi2_unregister_entities(&isp->isp_csi2a);
 	omap3isp_ccp2_unregister_entities(&isp->isp_ccp2);
 	omap3isp_ccdc_unregister_entities(&isp->isp_ccdc);
@@ -1597,7 +1599,6 @@ static void isp_unregister_entities(struct isp_device *isp)
 	omap3isp_stat_unregister_entities(&isp->isp_hist);
 
 	v4l2_device_unregister(&isp->v4l2_dev);
-	media_device_unregister(&isp->media_dev);
 	media_device_cleanup(&isp->media_dev);
 }
 
-- 
2.11.0

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH 1/1] omap3isp: Unregister media device as first
  2018-10-09 12:03 [PATCH 1/1] omap3isp: Unregister media device as first Sakari Ailus
@ 2018-10-09 14:33 ` Laurent Pinchart
  0 siblings, 0 replies; 2+ messages in thread
From: Laurent Pinchart @ 2018-10-09 14:33 UTC (permalink / raw)
  To: Sakari Ailus; +Cc: linux-media

Hi Sakari,

Thank you for the patch.

On Tuesday, 9 October 2018 15:03:16 EEST Sakari Ailus wrote:
> While there are issues related to object lifetime management, unregister the
> media device first when the driver is being unbound. This is slightly
> safer.
> 
> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
>  drivers/media/platform/omap3isp/isp.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/omap3isp/isp.c
> b/drivers/media/platform/omap3isp/isp.c index 93f032a39470..4194ea82e6c4
> 100644
> --- a/drivers/media/platform/omap3isp/isp.c
> +++ b/drivers/media/platform/omap3isp/isp.c
> @@ -1587,6 +1587,8 @@ static void isp_pm_complete(struct device *dev)
> 
>  static void isp_unregister_entities(struct isp_device *isp)
>  {
> +	media_device_unregister(&isp->media_dev);
> +
>  	omap3isp_csi2_unregister_entities(&isp->isp_csi2a);
>  	omap3isp_ccp2_unregister_entities(&isp->isp_ccp2);
>  	omap3isp_ccdc_unregister_entities(&isp->isp_ccdc);
> @@ -1597,7 +1599,6 @@ static void isp_unregister_entities(struct isp_device
> *isp) omap3isp_stat_unregister_entities(&isp->isp_hist);
> 
>  	v4l2_device_unregister(&isp->v4l2_dev);
> -	media_device_unregister(&isp->media_dev);
>  	media_device_cleanup(&isp->media_dev);
>  }


-- 
Regards,

Laurent Pinchart

^ permalink raw reply	[flat|nested] 2+ messages in thread

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