diff options
| author | Tomeu Vizoso <tomeu.vizoso@collabora.com> | 2015-03-30 17:33:23 +0200 |
|---|---|---|
| committer | MyungJoo Ham <myungjoo.ham@samsung.com> | 2015-03-31 13:17:15 +0900 |
| commit | 358b615f5812e28dd763d2aa1297563927a2f89d (patch) | |
| tree | 198dc4fd8f53d4fe7ea821c15152b0963655167c /drivers/devfreq | |
| parent | 34ed504008b2d8d3578191424fc5cddcb76d69f5 (diff) | |
| download | linux-358b615f5812e28dd763d2aa1297563927a2f89d.tar.bz2 | |
PM / devfreq: tegra: Register governor on module init
So this driver builds as a module.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Diffstat (limited to 'drivers/devfreq')
| -rw-r--r-- | drivers/devfreq/tegra-devfreq.c | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c index 8e633a6d775d..13a1a6e8108c 100644 --- a/drivers/devfreq/tegra-devfreq.c +++ b/drivers/devfreq/tegra-devfreq.c @@ -606,12 +606,6 @@ static struct devfreq_governor tegra_devfreq_governor = { .event_handler = tegra_governor_event_handler, }; -static int __init tegra_governor_init(void) -{ - return devfreq_add_governor(&tegra_devfreq_governor); -} -subsys_initcall(tegra_governor_init); - static int tegra_devfreq_probe(struct platform_device *pdev) { struct tegra_devfreq *tegra; @@ -755,7 +749,36 @@ static struct platform_driver tegra_devfreq_driver = { .of_match_table = tegra_devfreq_of_match, }, }; -module_platform_driver(tegra_devfreq_driver); + +static int __init tegra_devfreq_init(void) +{ + int ret = 0; + + ret = devfreq_add_governor(&tegra_devfreq_governor); + if (ret) { + pr_err("%s: failed to add governor: %d\n", __func__, ret); + return ret; + } + + ret = platform_driver_register(&tegra_devfreq_driver); + if (ret) + devfreq_remove_governor(&tegra_devfreq_governor); + + return ret; +} +module_init(tegra_devfreq_init) + +static void __exit tegra_devfreq_exit(void) +{ + int ret = 0; + + platform_driver_unregister(&tegra_devfreq_driver); + + ret = devfreq_remove_governor(&tegra_devfreq_governor); + if (ret) + pr_err("%s: failed to remove governor: %d\n", __func__, ret); +} +module_exit(tegra_devfreq_exit) MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("Tegra devfreq driver"); |