linux-kernel - Re: [PATCH v3] usb: cdns3: Modify the return value of cdns_set_active () to void when CONFIG_PM

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Date:   Mon, 25 Sep 2023 19:58:03 +0800
From:   Peter Chen <peter.chen@...nel.org>
To:     Xiaolei Wang <xiaolei.wang@...driver.com>
Cc:     pawell@...ence.com, pavel@...x.de, rogerq@...nel.org,
        gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] usb: cdns3: Modify the return value of
 cdns_set_active () to void when CONFIG_PM_SLEEP is disabled

On 23-09-20 22:40:45, Xiaolei Wang wrote:
> The return type of cdns_set_active () is inconsistent
> depending on whether CONFIG_PM_SLEEP is enabled, so the
> return value is modified to void type.
> 
> Reported-by: Pavel Machek <pavel@...x.de>
> Closes: https://lore.kernel.org/all/ZP7lIKUzD68XA91j@duo.ucw.cz/
> Fixes: 2319b9c87fe2 ("usb: cdns3: Put the cdns set active part outside the spin lock")
> Cc: stable@...r.kernel.org
> Signed-off-by: Xiaolei Wang <xiaolei.wang@...driver.com>
> Reviewed-by: Pavel Machek <pavel@...x.de>
> Reviewed-by: Roger Quadros <rogerq@...nel.org>
> ---
> 
> Changes in v3:
> - Add Cc: stable@...r.kernel.org
> 
> ---

Above "---" doesn't need.

Peter

>  drivers/usb/cdns3/core.h | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/cdns3/core.h b/drivers/usb/cdns3/core.h
> index 4a4dbc2c1561..81a9c9d6be08 100644
> --- a/drivers/usb/cdns3/core.h
> +++ b/drivers/usb/cdns3/core.h
> @@ -131,8 +131,7 @@ void cdns_set_active(struct cdns *cdns, u8 set_active);
>  #else /* CONFIG_PM_SLEEP */
>  static inline int cdns_resume(struct cdns *cdns)
>  { return 0; }
> -static inline int cdns_set_active(struct cdns *cdns, u8 set_active)
> -{ return 0; }
> +static inline void cdns_set_active(struct cdns *cdns, u8 set_active) { }
>  static inline int cdns_suspend(struct cdns *cdns)
>  { return 0; }
>  #endif /* CONFIG_PM_SLEEP */
> -- 
> 2.25.1
> 

-- 

Thanks,
Peter Chen