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[v2,2/3] media: amphion: Fix pm_runtime_set_suspended() with runtime pm enabled

Message ID 20241101094050.2421038-3-ruanjinjie@huawei.com (mailing list archive)
State New
Headers show
Series media: Fix pm_runtime_set_suspended() with runtime pm enabled | expand

Commit Message

Jinjie Ruan Nov. 1, 2024, 9:40 a.m. UTC
It is not valid to call pm_runtime_set_suspended() for devices
with runtime PM enabled because it returns -EAGAIN if it is enabled
already and working. So, call pm_runtime_disable() before to fix it.

Cc: stable@vger.kernel.org
Fixes: b50a64fc54af ("media: amphion: add amphion vpu device driver")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
---
v2:
- Add fix tag.
- Add Cc stable.
---
 drivers/media/platform/amphion/vpu_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Bryan O'Donoghue Nov. 1, 2024, 10:39 a.m. UTC | #1
On 01/11/2024 09:40, Jinjie Ruan wrote:
> It is not valid to call pm_runtime_set_suspended() for devices
> with runtime PM enabled because it returns -EAGAIN if it is enabled
> already and working. So, call pm_runtime_disable() before to fix it.
> 
> Cc: stable@vger.kernel.org
> Fixes: b50a64fc54af ("media: amphion: add amphion vpu device driver")
> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
> ---
> v2:
> - Add fix tag.
> - Add Cc stable.
> ---
>   drivers/media/platform/amphion/vpu_drv.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/amphion/vpu_drv.c b/drivers/media/platform/amphion/vpu_drv.c
> index 2bf70aafd2ba..51d5234869f5 100644
> --- a/drivers/media/platform/amphion/vpu_drv.c
> +++ b/drivers/media/platform/amphion/vpu_drv.c
> @@ -151,8 +151,8 @@ static int vpu_probe(struct platform_device *pdev)
>   	media_device_cleanup(&vpu->mdev);
>   	v4l2_device_unregister(&vpu->v4l2_dev);
>   err_vpu_deinit:
> -	pm_runtime_set_suspended(dev);
>   	pm_runtime_disable(dev);
> +	pm_runtime_set_suspended(dev);
>   
>   	return ret;
>   }
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
diff mbox series

Patch

diff --git a/drivers/media/platform/amphion/vpu_drv.c b/drivers/media/platform/amphion/vpu_drv.c
index 2bf70aafd2ba..51d5234869f5 100644
--- a/drivers/media/platform/amphion/vpu_drv.c
+++ b/drivers/media/platform/amphion/vpu_drv.c
@@ -151,8 +151,8 @@  static int vpu_probe(struct platform_device *pdev)
 	media_device_cleanup(&vpu->mdev);
 	v4l2_device_unregister(&vpu->v4l2_dev);
 err_vpu_deinit:
-	pm_runtime_set_suspended(dev);
 	pm_runtime_disable(dev);
+	pm_runtime_set_suspended(dev);
 
 	return ret;
 }