[U-Boot] [PATCH] usb: Fix compiler warning with gcc4.4

[Kumar Gala]

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 at kernel.crashing.org>
---
 drivers/usb/host/ehci-hcd.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

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 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
 			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_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
 		}
 		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");
-- 
1.6.0.6