usb: xhci: Clear XHCI_STATE_DYING on start
authorRoger Quadros <rogerq@ti.com>
Mon, 21 Sep 2015 14:46:13 +0000 (17:46 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 22 Sep 2015 05:48:53 +0000 (22:48 -0700)
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.

Cc: <stable@vger.kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci.c

index f560c4100e2fa3d4a680c53e80f133038cb7b12a..5fe24196c88bb583da08257a1d1a573c8e7a8c79 100644 (file)
@@ -146,7 +146,8 @@ static int xhci_start(struct xhci_hcd *xhci)
                                "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;
 }