This is a note to let you know that I've just added the patch titled usb: xhci: Clear XHCI_STATE_DYING on start to the 4.1-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: usb-xhci-clear-xhci_state_dying-on-start.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From e5bfeab0ad515b4f6df39fe716603e9dc6d3dfd0 Mon Sep 17 00:00:00 2001 From: Roger Quadros <rogerq@xxxxxx> Date: Mon, 21 Sep 2015 17:46:13 +0300 Subject: usb: xhci: Clear XHCI_STATE_DYING on start From: Roger Quadros <rogerq@xxxxxx> commit e5bfeab0ad515b4f6df39fe716603e9dc6d3dfd0 upstream. For whatever reason if XHCI died in the previous instant then it will never recover on the next xhci_start unless we clear the DYING flag. Signed-off-by: Roger Quadros <rogerq@xxxxxx> Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/host/xhci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -146,7 +146,8 @@ static int xhci_start(struct xhci_hcd *x "waited %u microseconds.\n", XHCI_MAX_HALT_USEC); if (!ret) - xhci->xhc_state &= ~XHCI_STATE_HALTED; + xhci->xhc_state &= ~(XHCI_STATE_HALTED | XHCI_STATE_DYING); + return ret; } Patches currently in stable-queue which might be from rogerq@xxxxxx are queue-4.1/usb-xhci-exit-early-in-xhci_setup_device-if-we-re-halted-or-dying.patch queue-4.1/usb-xhci-clear-xhci_state_dying-on-start.patch queue-4.1/usb-xhci-lock-mutex-on-xhci_stop.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html