From: Alan Cox <alan@redhat.com>
Date: Fri, 2 Jan 2009 13:45:05 +0000 (+0000)
Subject: tty_port: Add a port level carrier detect operation
X-Git-Tag: v2.6.29-rc1~545^2~44
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=31f35939d1d9bcfb3099b32c67b896d2792603f9;p=pandora-kernel.git

tty_port: Add a port level carrier detect operation

This is the first step to generalising the various pieces of waiting logic
duplicated in all sorts of serial drivers.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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