From cea50eeef15c8498181c4a1ff804a7cdef29aebb Mon Sep 17 00:00:00 2001
From: Viresh Kumar <viresh.kumar@linaro.org>
Date: Fri, 27 Feb 2015 13:39:52 +0530
Subject: [PATCH] ARM/ixp4xx/timer: Migrate to new 'set-state' interface
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Migrate ixp4xx driver to the new 'set-state' interface provided by
clockevents core, the earlier 'set-mode' interface is marked obsolete
now.

This also enables us to implement callbacks for new states of clockevent
devices, for example: ONESHOT_STOPPED.

NOTE: ixp4xx_set_{oneshot|periodic} don't perform read operation on
'IXP4XX_OSRT1' register anymore.

Cc: Imre Kaloz <kaloz@openwrt.org>
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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