Re: [PATCH v4 02/79] media: s6p_cec: decrement usage count if disabled

[Sylwester Nawrocki]

On 28.04.2021 16:51, Mauro Carvalho Chehab wrote:
> There's a bug at s5p_cec_adap_enable(): if called to
> disable the device, it should call pm_runtime_put()
> instead of pm_runtime_disable(), as the goal here is to
> decrement the usage_count and not to disable PM runtime.
> 
> Reported-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
> Fixes: 1bcbf6f4b6b0 ("[media] cec: s5p-cec: Add s5p-cec driver")
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>

Thanks,
Reviewed-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>

There is a typo in the subject, s6p_cec -> s5p_cec.

> ---
>  drivers/media/cec/platform/s5p/s5p_cec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/cec/platform/s5p/s5p_cec.c b/drivers/media/cec/platform/s5p/s5p_cec.c
> index 2a3e7ffefe0a..3c7c4c3c798c 100644
> --- a/drivers/media/cec/platform/s5p/s5p_cec.c
> +++ b/drivers/media/cec/platform/s5p/s5p_cec.c
> @@ -51,7 +51,7 @@ static int s5p_cec_adap_enable(struct cec_adapter *adap, bool enable)
>  	} else {
>  		s5p_cec_mask_tx_interrupts(cec);
>  		s5p_cec_mask_rx_interrupts(cec);
> -		pm_runtime_disable(cec->dev);
> +		pm_runtime_put(cec->dev);
>  	}
>  
>  	return 0;