Re: [PATCH] lan78xx: Protect runtime_auto check by #ifdef CONFIG_PM

[Oliver Neukum]

On Sun, 2016-03-20 at 11:43 +0100, Geert Uytterhoeven wrote:
> If CONFIG_PM=n:
> 
>     drivers/net/usb/lan78xx.c: In function âlan78xx_get_stats64â:
>     drivers/net/usb/lan78xx.c:3274: error: âstruct dev_pm_infoâ has no
> member named âruntime_autoâ
> 
> If PM is disabled, the runtime_auto flag is not available, but auto
> suspend is not enabled anyway.  Hence protect the check for
> runtime_auto
> by #ifdef CONFIG_PM to fix this.
> 
> Fixes: a59f8c5b048dc938 ("lan78xx: add ndo_get_stats64")
> Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> ---
> Alternatively, we can add a dev_pm_runtime_auto_is_enabled() wrapper
> to
> include/linux/pm.h, which always return false if CONFIG_PM is
> disabled.

That is what we do for almost everything else in include/pm_runtime.h
So it is the best solution to add the stub.

	Regards
		Oliver