Re: [PATCH v2] media: atmel: atmel-isc: Fix PM disable depth imbalance in atmel_isc_probe

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On 3/1/22 9:18 AM, Miaoqian Lin wrote:
> The pm_runtime_enable will increase power disable depth.
> If the probe fails, we should use pm_runtime_disable() to balance
> pm_runtime_enable().
> 
> Fixes: 0a0e265 ("media: atmel: atmel-isc: split driver into driver base and isc")
> Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
> ---
> changes in v2:
> - remove unused label.
> ---
>   drivers/media/platform/atmel/atmel-sama5d2-isc.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
> index 1b2063cce0f7..7f1ebbb25437 100644
> --- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
> +++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
> @@ -559,6 +559,8 @@ static int atmel_isc_probe(struct platform_device *pdev)
>   cleanup_subdev:
>          isc_subdev_cleanup(isc);
> 
> +       pm_runtime_disable(dev);
> +

Hello Miaoqian Lin ,

Could you please perform the same change (or similar) in 
atmel-sama7g5-isc , as the sama7g5 ISC will perform the same and has the 
same bug.

Thank you for the patch,
Eugen

>   unregister_v4l2_device:
>          v4l2_device_unregister(&isc->v4l2_dev);
> 
> --
> 2.17.1
> 





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