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| author | MyungJoo Ham <myungjoo.ham@samsung.com> | 2011-12-09 16:42:19 +0900 |
|---|---|---|
| committer | MyungJoo Ham <myungjoo.ham@samsung.com> | 2012-01-20 10:12:38 +0900 |
| commit | 6530b9dea1b7f33eaf79ba625e3a99f2455f3eb1 (patch) | |
| tree | 70beddf04779d5941ba6ef851b30e02c7fa0c86c /include/linux/devfreq.h | |
| parent | a95e1f5dbca385908aa4087bb98470b0e0ac58d8 (diff) | |
| download | linux-6530b9dea1b7f33eaf79ba625e3a99f2455f3eb1.tar.gz linux-6530b9dea1b7f33eaf79ba625e3a99f2455f3eb1.tar.bz2 linux-6530b9dea1b7f33eaf79ba625e3a99f2455f3eb1.zip | |
PM / devfreq: add min/max_freq limit requested by users.
The frequency requested to devfreq device driver from devfreq governors
is restricted by min_freq and max_freq input.
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'include/linux/devfreq.h')
| -rw-r--r-- | include/linux/devfreq.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index f7eb7d06df7e..5862475d05f8 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -124,6 +124,8 @@ struct devfreq_governor { * touch this. * @being_removed a flag to mark that this object is being removed in * order to prevent trying to remove the object multiple times. + * @min_freq Limit minimum frequency requested by user (0: none) + * @max_freq Limit maximum frequency requested by user (0: none) * * This structure stores the devfreq information for a give device. * @@ -149,6 +151,9 @@ struct devfreq { void *data; /* private data for governors */ bool being_removed; + + unsigned long min_freq; + unsigned long max_freq; }; #if defined(CONFIG_PM_DEVFREQ) |