Message ID | 20170720155209.3250880-2-arnd@arndb.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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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[] = {
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> --- Originally sent in Feb 2016, this went missing for some reason. --- arch/arm/mach-mmp/devices.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)