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author | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-12-11 22:15:57 -0800 |
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committer | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-12-11 22:15:57 -0800 |
commit | 76d8a23b127020472207b281427d3e9f4f1227e4 (patch) | |
tree | e14d7063d96d850fb259115d6fb08cbeb98ccf88 /drivers/devfreq/governor_powersave.c | |
parent | eba3b670a9166a91be5a11fe33290dca6b9457a2 (diff) | |
parent | 1ebaf4f4e6912199f8a4e30ba3ab55da2b71bcdf (diff) | |
download | lwn-76d8a23b127020472207b281427d3e9f4f1227e4.tar.gz lwn-76d8a23b127020472207b281427d3e9f4f1227e4.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
The merge is merely to fix conflicts before sending a pull request.
Conflicts:
drivers/power/ab8500_btemp.c
drivers/power/ab8500_charger.c
drivers/power/ab8500_fg.c
drivers/power/abx500_chargalg.c
drivers/power/max8925_power.c
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Diffstat (limited to 'drivers/devfreq/governor_powersave.c')
-rw-r--r-- | drivers/devfreq/governor_powersave.c | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/drivers/devfreq/governor_powersave.c b/drivers/devfreq/governor_powersave.c index fec0cdbd2477..0c6bed567e6d 100644 --- a/drivers/devfreq/governor_powersave.c +++ b/drivers/devfreq/governor_powersave.c @@ -10,6 +10,7 @@ */ #include <linux/devfreq.h> +#include <linux/module.h> #include "governor.h" static int devfreq_powersave_func(struct devfreq *df, @@ -23,14 +24,41 @@ static int devfreq_powersave_func(struct devfreq *df, return 0; } -static int powersave_init(struct devfreq *devfreq) +static int devfreq_powersave_handler(struct devfreq *devfreq, + unsigned int event, void *data) { - return update_devfreq(devfreq); + int ret = 0; + + if (event == DEVFREQ_GOV_START) { + mutex_lock(&devfreq->lock); + ret = update_devfreq(devfreq); + mutex_unlock(&devfreq->lock); + } + + return ret; } -const struct devfreq_governor devfreq_powersave = { +static struct devfreq_governor devfreq_powersave = { .name = "powersave", - .init = powersave_init, .get_target_freq = devfreq_powersave_func, - .no_central_polling = true, + .event_handler = devfreq_powersave_handler, }; + +static int __init devfreq_powersave_init(void) +{ + return devfreq_add_governor(&devfreq_powersave); +} +subsys_initcall(devfreq_powersave_init); + +static void __exit devfreq_powersave_exit(void) +{ + int ret; + + ret = devfreq_remove_governor(&devfreq_powersave); + if (ret) + pr_err("%s: failed remove governor %d\n", __func__, ret); + + return; +} +module_exit(devfreq_powersave_exit); +MODULE_LICENSE("GPL"); |