Re: [PATCH 02/11] USB: dwc3: fix runtime pm imbalance on unbind

[Thinh Nguyen]

On Tue, Apr 04, 2023, Johan Hovold wrote:
> Make sure to balance the runtime PM usage count on driver unbind by
> adding back the pm_runtime_allow() call that had been erroneously
> removed.
> 
> Fixes: 266d0493900a ("usb: dwc3: core: don't trigger runtime pm when remove driver")
> Cc: stable@xxxxxxxxxxxxxxx	# 5.9
> Cc: Li Jun <jun.li@xxxxxxx>
> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
> ---
>  drivers/usb/dwc3/core.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index 5058bd8d56ca..9f8c988c25cb 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -1979,6 +1979,7 @@ static int dwc3_remove(struct platform_device *pdev)
>  	dwc3_core_exit(dwc);
>  	dwc3_ulpi_exit(dwc);
>  
> +	pm_runtime_allow(&pdev->dev);
>  	pm_runtime_disable(&pdev->dev);
>  	pm_runtime_put_noidle(&pdev->dev);
>  	pm_runtime_set_suspended(&pdev->dev);
> -- 
> 2.39.2
> 

Acked-by: Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx>

Thanks,
Thinh