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[U-Boot,v2,1/9] usb: ehci: Do not disable an already disabled periodic schedule

Message ID 1411560371-23790-2-git-send-email-hdegoede@redhat.com
State Accepted
Delegated to: Marek Vasut
Headers show

Commit Message

Hans de Goede Sept. 24, 2014, 12:06 p.m. UTC 
When periodic_schedules == 0, the schedule is disabled and there is no reason
to disable it again.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 drivers/usb/host/ehci-hcd.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 6323c50..20830d7 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1258,9 +1258,11 @@  create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
 			   ALIGN_END_ADDR(struct qTD, result->tds,
 					  queuesize));
 
-	if (disable_periodic(ctrl) < 0) {
-		debug("FATAL: periodic should never fail, but did");
-		goto fail3;
+	if (ctrl->periodic_schedules > 0) {
+		if (disable_periodic(ctrl) < 0) {
+			debug("FATAL: periodic should never fail, but did");
+			goto fail3;
+		}
 	}
 
 	/* hook up to periodic list */