usb: Fix compiler warning with gcc4.4
ehci-hcd.c: In function 'ehci_submit_root':
ehci-hcd.c:719: warning: value computed is not used
ehci-hcd.c:748: warning: value computed is not used
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index bbd547b..423ea5d 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -716,7 +716,7 @@
goto unknown;
}
/* unblock posted writes */
- ehci_readl(&hcor->or_usbcmd);
+ (void) ehci_readl(&hcor->or_usbcmd);
break;
case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
reg = ehci_readl(status_reg);
@@ -745,7 +745,7 @@
}
ehci_writel(status_reg, reg);
/* unblock posted write */
- ehci_readl(&hcor->or_usbcmd);
+ (void) ehci_readl(&hcor->or_usbcmd);
break;
default:
debug("Unknown request\n");