diff options
| author | Arto Merilainen <amerilainen@nvidia.com> | 2012-09-14 09:36:13 +0300 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2013-09-14 12:34:33 -0700 |
| commit | d44ec3637382f6443cd3e721182103b6365e7050 (patch) | |
| tree | 5271faa478eae95f2f7aa771cac3cb580002b7ac /drivers/devfreq | |
| parent | 71d64e9bc76cae3352fcd05c152bb54fea43cf5e (diff) | |
drivers: devfreq: Fix devfreq stub functions
This patch allows the kernel to build even if devfreq.h is included
when devfreq support is not available.
Change-Id: I01f1bdd9dda755f86255e5609c2a5411cfb64480
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/132557
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Mayuresh Kulkarni <mkulkarni@nvidia.com>
Rebase-Id: R346b3b9ea9d3dd27487fe893795b7684dcd8be27
Diffstat (limited to 'drivers/devfreq')
| -rw-r--r-- | drivers/devfreq/governor.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h index fad7d6321978..17113fd40857 100644 --- a/drivers/devfreq/governor.h +++ b/drivers/devfreq/governor.h @@ -25,9 +25,20 @@ #define DEVFREQ_GOV_SUSPEND 0x4 #define DEVFREQ_GOV_RESUME 0x5 +#if defined(CONFIG_PM_DEVFREQ) + /* Caution: devfreq->lock must be locked before calling update_devfreq */ extern int update_devfreq(struct devfreq *devfreq); +#else /* !CONFIG_PM_DEVFREQ */ + +static inline int update_devfreq(struct devfreq *devfreq) +{ + return -EINVAL; +} + +#endif /* !CONFIG_PM_DEVFREQ */ + extern void devfreq_monitor_start(struct devfreq *devfreq); extern void devfreq_monitor_stop(struct devfreq *devfreq); extern void devfreq_monitor_suspend(struct devfreq *devfreq); |