diff --git a/[refs] b/[refs]
index 6a8b74afc537..2cd5f9838541 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 56fafb94f64efaca625206a3876432b96558dcb0
+refs/heads/master: 6feff1b92bedab133c5835e510d11f62e843b257
diff --git a/trunk/drivers/usb/host/ehci-hcd.c b/trunk/drivers/usb/host/ehci-hcd.c
index 057cdda7a489..343f40c23b5f 100644
--- a/trunk/drivers/usb/host/ehci-hcd.c
+++ b/trunk/drivers/usb/host/ehci-hcd.c
@@ -415,9 +415,6 @@ static void ehci_iaa_watchdog(unsigned long param)
 		 * CMD_IAAD when it sets STS_IAA.)
 		 */
 		cmd = ehci_readl(ehci, &ehci->regs->command);
-		if (cmd & CMD_IAAD)
-			ehci_writel(ehci, cmd & ~CMD_IAAD,
-					&ehci->regs->command);
 
 		/* If IAA is set here it either legitimately triggered
 		 * before we cleared IAAD above (but _way_ late, so we'll
@@ -887,11 +884,8 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 	/* complete the unlinking of some qh [4.15.2.3] */
 	if (status & STS_IAA) {
 		/* guard against (alleged) silicon errata */
-		if (cmd & CMD_IAAD) {
-			ehci_writel(ehci, cmd & ~CMD_IAAD,
-					&ehci->regs->command);
+		if (cmd & CMD_IAAD)
 			ehci_dbg(ehci, "IAA with IAAD still set?\n");
-		}
 		if (ehci->reclaim) {
 			COUNT(ehci->stats.reclaim);
 			end_unlink_async(ehci);