This is a note to let you know that I've just added the patch titled
xhci: gracefully handle xhci_irq dead device
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
xhci-gracefully-handle-xhci_irq-dead-device.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 948fa13504f80b9765d2b753691ab94c83a10341 Mon Sep 17 00:00:00 2001
From: Joe Lawrence <joe.lawrence@xxxxxxxxxxx>
Date: Thu, 30 Apr 2015 17:16:04 +0300
Subject: xhci: gracefully handle xhci_irq dead device
From: Joe Lawrence <joe.lawrence@xxxxxxxxxxx>
commit 948fa13504f80b9765d2b753691ab94c83a10341 upstream.
If the xHCI host controller has died (ie, device removed) or suffered
other serious fatal error (STS_FATAL), then xhci_irq should handle this
condition with IRQ_HANDLED instead of -ESHUTDOWN.
Signed-off-by: Joe Lawrence <joe.lawrence@xxxxxxxxxxx>
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/host/xhci-ring.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2645,7 +2645,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd
xhci_halt(xhci);
hw_died:
spin_unlock(&xhci->lock);
- return -ESHUTDOWN;
+ return IRQ_HANDLED;
}
/*
Patches currently in stable-queue which might be from joe.lawrence@xxxxxxxxxxx are
queue-4.0/xhci-gracefully-handle-xhci_irq-dead-device.patch
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