> -----Original Message-----
> From: Guenter Roeck [mailto:li...@roeck-us.net]
> Sent: Sunday, March 20, 2016 6:59 PM
> To: Geert Uytterhoeven; Woojung Huh - C21699; UNGLinuxDriver; David S.
> Miller
> Cc: Rafael J. Wysocki; net...@vger.kernel.org; linux-usb@vger.kernel.org;
> linux...@vger.kernel.org; linux-ker...@vger.kernel.org
> Subject: Re: [PATCH] lan78xx: Protect runtime_auto check by #ifdef
> CONFIG_PM
>
> Not that it matters anymore since David reverted the original patch,
> but my reason for not sending a similar patch was that I wasn't sure
> if .runtime_auto should be accessed from drivers in the first place,
> or if there is some logical problem with the code.
>
Because driver can enable/disable autosuspend by usb_enable_autosuspend() and
usb_disable_autosuspend(), it would be nice to have helper to find out
autosuspend status.
The code path was to utilize autosuspend power saving, when it is enabled.
Woojung
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