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authorRoger Quadros <rogerq@ti.com>2015-09-21 17:46:13 +0300
committerZefan Li <lizefan@huawei.com>2016-04-27 13:55:23 +0300
commitfa8600fa40e5ca152b8ece604579535b4296145f (patch)
tree6d5d617ec638d9b56980334025952e327b5354ae /drivers/usb/host
parent63a2bddd9e9d605149860e819cca40f79835eeed (diff)
downloadlinux-fa8600fa40e5ca152b8ece604579535b4296145f.tar.xz
usb: xhci: Clear XHCI_STATE_DYING on start
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>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/xhci.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index fd52e1efd6ca..88be7a51df52 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -141,7 +141,8 @@ 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;
}