diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 5624552..d2e1296 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -675,21 +675,23 @@
 		break;
 	case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
 		reg = ehci_readl(status_reg);
+		reg &= ~EHCI_PS_CLEAR;
 		switch (le16_to_cpu(req->value)) {
 		case USB_PORT_FEAT_ENABLE:
 			reg &= ~EHCI_PS_PE;
 			break;
 		case USB_PORT_FEAT_C_ENABLE:
-			reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_PE;
+			reg |= EHCI_PS_PEC;
 			break;
 		case USB_PORT_FEAT_POWER:
 			if (HCS_PPC(ehci_readl(&ehci->hccr->cr_hcsparams)))
-				reg = reg & ~(EHCI_PS_CLEAR | EHCI_PS_PP);
+				reg &= ~ EHCI_PS_PP;
+			break;
 		case USB_PORT_FEAT_C_CONNECTION:
-			reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_CSC;
+			reg |= EHCI_PS_CSC;
 			break;
 		case USB_PORT_FEAT_OVER_CURRENT:
-			reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_OCC;
+			reg |= EHCI_PS_OCC;
 			break;
 		case USB_PORT_FEAT_C_RESET:
 			ehci->portreset &= ~(1 << le16_to_cpu(req->index));