On Sun, Aug 8, 2010 at 06:07, Sergei Shtylyov wrote:
> Mike Frysinger wrote:
>> When CONFIG_USB_MUSB_OTG is disabled, gcc emits an unused warning about
>> the local mbase variable. So add __maybe_unused to avoid this.
>
>> --- a/drivers/usb/musb/musb_core.c
>> +++ b/drivers/usb/musb/musb_core.c
>> @@ -704,7 +704,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb,
>> u8 int_usb,
>> #ifdef CONFIG_USB_MUSB_HDRC_HCD
>> if (int_usb & MUSB_INTR_CONNECT) {
>> struct usb_hcd *hcd = musb_to_hcd(musb);
>> - void __iomem *mbase = musb->mregs;
>> + void __iomem __maybe_unused *mbase = musb->mregs;
>> handled = IRQ_HANDLED;
>> musb->is_active = 1;
>
> There's patch for this issue already in Greg's queue:
>
> http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/usb/usb-musb-fix-compilation-warning-in-host-only-mode.patch
>
> Though yours seems somewhat better.
either works for me. i'll roll with whatever is merged.
-mike
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