1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 057cdda7a489..343f40c23b5f 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/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);