From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 5 Sep 2014 19:02:37 +0000 (+0200)
Subject: tty: serial: 8250_core: allow to overwrite & export serial8250_startup()
X-Git-Tag: fixes-for-v3.18-merge-window~14^2~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b99b121b2aa42e60e5b73fdd3a49863337839c7b;p=pandora-kernel.git

tty: serial: 8250_core: allow to overwrite & export serial8250_startup()

The OMAP version of the 8250 can actually use 1:1 serial8250_startup().
However it needs to be extended by a wake up irq which should to be
requested & enabled at ->startup() time and disabled at ->shutdown() time.

v2…v3: properly copy callbacks
v1…v2: add shutdown callback

Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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