From 0ed023a88396088d4221c345a3911f553dd42598 Mon Sep 17 00:00:00 2001 From: Michal Pecio Date: Thu, 18 Sep 2025 00:07:21 +0300 Subject: [PATCH] usb: xhci: Update a comment about Stop Endpoint retries Retries are no longer gated by a quirk, so remove that part. Add a brief explanation of the timeout. Signed-off-by: Michal Pecio Signed-off-by: Mathias Nyman Link: https://lore.kernel.org/r/20250917210726.97100-3-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci-ring.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index d7bef1dd519f..543cbec560c5 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1262,8 +1262,9 @@ reset_done: * Stopped state, but it will soon change to Running. * * Assume this bug on unexpected Stop Endpoint failures. - * Keep retrying until the EP starts and stops again, on - * chips where this is known to help. Wait for 100ms. + * Keep retrying until the EP starts and stops again or + * up to a timeout (a defective HC may never start, or a + * driver bug may cause stopping an already stopped EP). */ if (time_is_before_jiffies(ep->stop_time + msecs_to_jiffies(100))) break; -- 2.47.3