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Alan Cox authored
- The open lock is needed to fix up the case of a board reset occuring during tty open but too early for a sane hangup response. - The lock can however got for other cases - Use the port mutex for get/setserial - Fix up the confused lack of locking on the THROTTLE and other bits in the private flags. Just use set/test/clear bit and it covers the cases we need Signed-off-by:
Alan Cox <alan@linux.intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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