From: Alan Cox <alan@linux.intel.com>
Date: Mon, 30 Nov 2009 13:16:41 +0000 (+0000)
Subject: tty: tty_port: Change the buffer allocator locking
X-Git-Tag: v2.6.33-rc1~310^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=44e4909e453eaa09c7de409fc9ee4ebefd986c1c;p=pandora-kernel.git

tty: tty_port: Change the buffer allocator locking

We want to be able to do this without regard for the activate/own open
method being used which causes a problem using port->mutex. Add another
mutex for now. Once everything uses port_open to do buffer allocs we can
kill it back off

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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