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serial: bfin_sport_uart: protect changes to uart_port
authorSonic Zhang <sonic.zhang@analog.com>
Tue, 9 Mar 2010 17:25:34 +0000 (12:25 -0500)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 21 May 2010 16:34:27 +0000 (09:34 -0700)
Common serial API says we need to grab the port lock before modifying
the port state to prevent inconsistent state between threads.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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