[PATCH] usb: ehci-hcd.c: fix 'value computed is not used' warning

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
---
 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 72f1c14..81e3a42 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -714,7 +714,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
 			goto unknown;
 		}
 		/* unblock posted writes */
-		ehci_readl(&ehci->hcor->or_usbcmd);
+		(void) ehci_readl(&ehci->hcor->or_usbcmd);
 		break;
 	case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
 		reg = ehci_readl(status_reg);
@@ -743,7 +743,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
 		}
 		ehci_writel(status_reg, reg);
 		/* unblock posted write */
-		ehci_readl(&ehci->hcor->or_usbcmd);
+		(void) ehci_readl(&ehci->hcor->or_usbcmd);
 		break;
 	default:
 		debug("Unknown request\n");
-- 
1.7.7