On 06/07/2013 04:25 AM, Arnd Bergmann wrote: > On Friday 07 June 2013 10:39:20 Jingoo Han wrote: >> Add CONFIG_PM_SLEEP to suspend/resume functions to fix the following >> build warning when CONFIG_PM_SLEEP is not selected. This is because >> sleep PM callbacks defined by SIMPLE_DEV_PM_OPS are only used when >> the CONFIG_PM_SLEEP is enabled. >> >> drivers/video/backlight/backlight.c:211:12: warning: 'backlight_suspend' defined but not used [-Wunused-function] >> drivers/video/backlight/backlight.c:225:12: warning: 'backlight_resume' defined but not used [-Wunused-function] >> >> Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx> > > I forgot: > > Acked-by: Arnd Bergmann <arnd@xxxxxxxx> > Jingoo Han, and Arnd, Sorry I was on vacation all of last week. Thanks for fixing the problem. My apologies for introducing the warnings. I had CONFIG_PM and CONFIG_PM_SLEEP both enabled and didn't see this warning. I will be careful with subsequent patches in this area. -- Shuah Shuah Khan, Linux Kernel Developer - Open Source Group Samsung Research America (Silicon Valley) shuah.kh@xxxxxxxxxxx | (970) 672-0658 -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html