Hello.
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.
Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
---
drivers/usb/musb/musb_core.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 3b795c5..30ce376 100644
--- 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.
WBR, Sergei
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