[PATCH 9/9] ARM: mmp: mark usb_dma_mask as __maybe_unused
From: robert.jarzmik@free.fr (Robert Jarzmik)
Date: 2016-02-22 22:39:03
Also in:
lkml
Arnd Bergmann [off-list ref] writes:
This variable may be used by some devices that each have their on Kconfig symbol, or by none of them, and that causes a build warning: arch/arm/mach-mmp/devices.c:241:12: error: 'usb_dma_mask' defined but not used [-Werror=unused-variable] Marking it __maybe_unused avoids the warning. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm/mach-mmp/devices.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Hi Haojian, I still didn't get an ack on this one, do you want to carry it through your tree, or let Arnd carry it or let me carry it ? Cheers. -- Robert [1] The patch
quoted hunk
diff --git a/arch/arm/mach-mmp/devices.c b/arch/arm/mach-mmp/devices.c index 3330ac7cfbef..671c7a09ab3d 100644 --- a/arch/arm/mach-mmp/devices.c +++ b/arch/arm/mach-mmp/devices.c@@ -238,7 +238,7 @@ void pxa_usb_phy_deinit(void __iomem *phy_reg) #endif #if IS_ENABLED(CONFIG_USB_SUPPORT) -static u64 usb_dma_mask = ~(u32)0; +static u64 __maybe_unused usb_dma_mask = ~(u32)0; #if IS_ENABLED(CONFIG_USB_MV_UDC) struct resource pxa168_u2o_resources[] = {
-- Robert