Messages in this thread | | | From | Robert Jarzmik <> | Subject | Re: [PATCH 9/9] ARM: mmp: mark usb_dma_mask as __maybe_unused | Date | Mon, 22 Feb 2016 23:38:56 +0100 |
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Arnd Bergmann <arnd@arndb.de> 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 > 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
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