On Thu, Dec 12, 2013 at 09:01:04PM -0500, Santosh Shilimkar wrote: > On Thursday 12 December 2013 08:51 PM, David Cohen wrote: > > On Thu, Dec 12, 2013 at 08:06:24PM -0500, Santosh Shilimkar wrote: > >> Otherwise you get below build warnings > >> > >> drivers/usb/host/xhci-plat.c:201:12: warning: ‘xhci_plat_suspend’ defined but not used [-Wunused-function] > >> drivers/usb/host/xhci-plat.c:209:12: warning: ‘xhci_plat_resume’ defined but not used [-Wunused-function] > >> > >> Cc: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> > >> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > >> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > >> --- > >> drivers/usb/host/xhci-plat.c | 4 ++-- > >> 1 file changed, 2 insertions(+), 2 deletions(-) > >> > >> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c > >> index d9c169f..4875be5 100644 > >> --- a/drivers/usb/host/xhci-plat.c > >> +++ b/drivers/usb/host/xhci-plat.c > >> @@ -197,7 +197,7 @@ static int xhci_plat_remove(struct platform_device *dev) > >> return 0; > >> } > >> > >> -#ifdef CONFIG_PM > >> +#ifdef CONFIG_PM_SLEEP > > > > Can't you just remove these #ifdefs altogether? > > xhci_plat_pm_ops is set using SET_SYSTEM_SLEEP_PM_OPS() macro which > > already handles '#ifdef CONFIG_PM_SLEEP' case. > > > It does handle the difference but the hooks implemented would > show-up un-used warning if you remove the #ifdefs. > > drivers/usb/host/xhci-plat.c:200:12: warning: ‘xhci_plat_suspend’ defined but not used [-Wunused-function] > drivers/usb/host/xhci-plat.c:208:12: warning: ‘xhci_plat_resume’ defined but not used [-Wunused-function] > > So you need to wrap them under the PM_SLEEP check. Yeah... it's not smart enought :) But you could still remove the #else condition and the ugly DEV_PM_OPS macro. Br, David > > Regards, > Santosh -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html