From: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Date: Fri, 20 Dec 2013 18:47:23 +0000 (+0100)
Subject: ARM: EXYNOS: cpuidle: fix AFTR mode check
X-Git-Tag: v3.14-rc1~107^2~5^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=118f5c1d5518032eec773164779f17d6e9b31586;p=pandora-kernel.git

ARM: EXYNOS: cpuidle: fix AFTR mode check

The EXYNOS cpuidle driver code assumes that cpuidle core will handle
dev->state_count smaller than drv->state_count but currently this is
untrue (dev->state_count is used only for handling cpuidle state sysfs
entries and drv->state_count is used for all other cases) and will not
be fixed in the future as dev->state_count is planned to be removed.

Fix the issue by checking for the max supported idle state in AFTR
state's ->enter handler (exynos4_enter_lowpower()) and entering AFTR
mode only when cores other than CPU0 are offline.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

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