sh-sci: extend PM methods
authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Fri, 16 Jan 2015 21:56:02 +0000 (13:56 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 2 Feb 2015 18:11:25 +0000 (10:11 -0800)
commitcb8763417224340f9a6092092077c801ce686eba
tree8d630bbf75d44789789362939424e9389483a34e
parentc81622ac4282b0183e738e192c91fabe4a782715
sh-sci: extend PM methods

In order to make it possible to restore from hibernation not only in Linux but
also in e.g. U-Boot, we have to use sci_{suspend|remove}() for the PM {freeze|
thaw|restore}() methods.  It's handy to achieve this by using SIMPLE_DEV_PM_OPS()
macro, however we have to annotate sci_{suspend|remove}() with '__maybe_unused'
in order to avoid compilation warnings when CONFIG_PM_SLEEP is undefined.

Based on orignal patch by Mikhail Ulyanov <mikhail.ulyanov@cogentembedded.com>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/sh-sci.c