From: Huang Shijie <shijie8@gmail.com>
Date: Thu, 23 Aug 2012 02:13:36 +0000 (-0400)
Subject: serial: add a new helper function
X-Git-Tag: omap-cleanup-sparseirq-for-v3.7~54
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f21ec3d2d46e5f2ffc06f31fe2704fdcea7a58f3;p=pandora-kernel.git

serial: add a new helper function

In most of the time, the driver needs to check if the cts flow control
is enabled. But now, the driver checks the ASYNC_CTS_FLOW flag manually,
which is not a grace way. So add a new wraper function to make the code
tidy and clean.

Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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