xhci: don't try to reset the host if it is unaccessible

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There is no point in trying to reset the host controller by writing
to its registers if host is removed and registers just return 0xffffffff

bail out and return -ENODEV instead

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Mathias Nyman 2016-11-11 15:13:12 +02:00 • committed by Greg Kroah-Hartman

parent 99154fd3aa

commit c11ae038d6

1 changed files with 6 additions and 1 deletions

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7

drivers/usb/host/xhci.c

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