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usb: xhci: Clear XHCI_STATE_DYING on start

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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@ti.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Zefan Li <lizefan@huawei.com>
This commit is contained in:
Roger Quadros 2015-09-21 17:46:13 +03:00 committed by Zefan Li
parent 63a2bddd9e
commit fa8600fa40
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/host/xhci.c
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@ -141,7 +141,8 @@ static int xhci_start(struct xhci_hcd *xhci)
"waited %u microseconds.\n", "waited %u microseconds.\n",
XHCI_MAX_HALT_USEC); XHCI_MAX_HALT_USEC);
if (!ret) if (!ret)
xhci->xhc_state &= ~XHCI_STATE_HALTED; xhci->xhc_state &= ~(XHCI_STATE_HALTED | XHCI_STATE_DYING);
return ret; return ret;
} }