Re: [PATCH v2] i3c: master: svc: Fix pm_runtime_set_suspended() with runtime pm enabled

[Jinjie Ruan]

Ping.

On 2024/9/30 17:19, 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@xxxxxxxxxxxxxxx # v5.17
> Fixes: 05be23ef78f7 ("i3c: master: svc: add runtime pm support")
> Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
> Reviewed-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
> Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
> ---
> v2:
> - Add Reviewed-by.
> - Add stable tag as Miquel suggested.
> ---
>  drivers/i3c/master/svc-i3c-master.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
> index a7bfc678153e..130cec4ee307 100644
> --- a/drivers/i3c/master/svc-i3c-master.c
> +++ b/drivers/i3c/master/svc-i3c-master.c
> @@ -1827,8 +1827,8 @@ static int svc_i3c_master_probe(struct platform_device *pdev)
>  rpm_disable:
>  	pm_runtime_dont_use_autosuspend(&pdev->dev);
>  	pm_runtime_put_noidle(&pdev->dev);
> -	pm_runtime_set_suspended(&pdev->dev);
>  	pm_runtime_disable(&pdev->dev);
> +	pm_runtime_set_suspended(&pdev->dev);
>  
>  err_disable_clks:
>  	svc_i3c_master_unprepare_clks(master);