On Friday, June 07, 2013 6:28 AM, Arnd Bergmann wrote: > On Monday 03 June 2013 13:10:10 Jingoo Han wrote: > > On Sunday, June 02, 2013 8:07 AM, Shuah Khan wrote: > > > > > > Convert drivers/video/backlight/class to use dev_pm_ops for power > > > management and remove Legacy PM ops hooks. With this change, backlight > > > class registers suspend/resume callbacks via class->pm (dev_pm_ops) > > > instead of Legacy class->suspend/resume. When __device_suspend() runs > > > call-backs, it will find class->pm ops for the backlight class. > > > > > > Signed-off-by: Shuah Khan <shuah.kh@xxxxxxxxxxx> > > > Cc: Shuah Khan <shuahkhan@xxxxxxxxx> > > > > CC'ed Andrew Morton, > > > > It looks good. > > > > Acked-by: Jingoo Han <jg1.han@xxxxxxxxxxx> > > > > I'm getting this build warning now: > > arnd@wuerfel:/git/arm-soc$ cat build/omap1_defconfig/faillog > /git/arm-soc/drivers/video/backlight/backlight.c:212:12: warning: 'backlight_suspend' defined but not > used [-Wunused-function] > static int backlight_suspend(struct device *dev) > ^ > /git/arm-soc/drivers/video/backlight/backlight.c:226:12: warning: 'backlight_resume' defined but not > used [-Wunused-function] > static int backlight_resume(struct device *dev) Hi Arnd Bergmann, I see what happens. This build warning happens when CONFIG_PM is selected and CONFIG_PM_SLEEP is not selected. So, I will add '#ifdef CONFIG_PM_SLEEP' to './drivers/video/backlight/backlight.c' and send it soon. Thank you. Best regards, Jingoo Han > > Arnd -- 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