This patch adds the new DEVFREQ_TRANSITION_NOTIFIER notifier to send
the notification when the frequency of device is changed.
This notifier has two state as following:
- DEVFREQ_PRECHANGE : Notify it before chaning the frequency of device
- DEVFREQ_POSTCHANGE : Notify it after changed the frequency of device
And this patch adds the resourced-managed function to release the resource
automatically when error happen.
Change-Id: Id92ce7b9b2fba0e8776b1bc6980996b16a2902f3
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
[m.reichl and linux.amoon: Tested it on exynos4412-odroidu3 board]
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
(cherry picked from commit
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|---|---|---|
| .. | ||
| event | ||
| exynos | ||
| ddr_rk3368.c | ||
| devfreq-event.c | ||
| devfreq.c | ||
| governor.h | ||
| governor_performance.c | ||
| governor_powersave.c | ||
| governor_simpleondemand.c | ||
| governor_userspace.c | ||
| Kconfig | ||
| Makefile | ||
| tegra-devfreq.c | ||