* [PATCH] usb: xhci: Improve Soft Retries after short transfers
@ 2026-05-29 9:20 Michal Pecio
0 siblings, 0 replies; only message in thread
From: Michal Pecio @ 2026-05-29 9:20 UTC (permalink / raw)
To: Mathias Nyman, Greg Kroah-Hartman; +Cc: linux-usb, linux-kernel
A short transfer is a successful one, so reset the error count.
Otherwise, endpoints which always complete short are limited to
three retries per endpoint life rather than per URB.
Signed-off-by: Michal Pecio <michal.pecio@gmail.com>
---
drivers/usb/host/xhci-ring.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index f0f66e18f174..a067e56d720d 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2544,6 +2544,7 @@ static void process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
td->status = 0;
break;
case COMP_SHORT_PACKET:
+ ep->err_count = 0;
td->status = 0;
break;
case COMP_STOPPED_SHORT_PACKET:
--
2.48.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2026-05-29 9:20 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-05-29 9:20 [PATCH] usb: xhci: Improve Soft Retries after short transfers Michal Pecio
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox