[PATCH 15/15] usb: xhci: Do not panic on event timeouts
Ahmad Fatoum
a.fatoum at pengutronix.de
Mon Feb 19 05:38:35 PST 2024
This ports U-Boot commit 2fd7037122a920ae22377b06aa5b32651cc71f13:
| Author: Hector Martin <marcan at marcan.st>
| AuthorDate: Sun Oct 29 15:37:43 2023 +0900
|
| usb: xhci: Do not panic on event timeouts
|
| Now that we always check the return value, just return NULL on timeouts.
| We can still log the error since this is a problem, but it's not reason
| to panic.
|
| Signed-off-by: Hector Martin <marcan at marcan.st>
Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
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 6a859dbbfac9..5f68bc7c2f35 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -497,8 +497,9 @@ union xhci_trb *xhci_wait_for_event(struct xhci_ctrl *ctrl, trb_type expected,
if (expected == TRB_TRANSFER)
return NULL;
- dev_err(ctrl->dev, "XHCI timeout on event type %d... cannot recover.\n", expected);
- BUG();
+ dev_warn(ctrl->dev, "XHCI timeout on event type %d...\n", expected);
+
+ return NULL;
}
/*
--
2.39.2
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