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| author | Shuah Khan <shuah.kh@samsung.com> | 2014-02-10 09:12:27 -0700 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-03-07 15:54:48 +1100 |
| commit | 639291f263c14dd20938dca296ab04b535cafd37 (patch) | |
| tree | a02f1cc15557ea0b850033e2b26bc9dad5452edf /drivers/macintosh/adb.c | |
| parent | 3c8464a9b12bf83807b6e2c896d7e7b633e1cae7 (diff) | |
| download | blackbird-obmc-linux-639291f263c14dd20938dca296ab04b535cafd37.tar.gz blackbird-obmc-linux-639291f263c14dd20938dca296ab04b535cafd37.zip | |
macintosh/adb: Change platform power management to use dev_pm_ops
Change adb platform driver to register pm ops using dev_pm_ops instead of
legacy pm_ops. .pm hooks call existing legacy suspend and resume interfaces
by passing in the right pm state.
Signed-off-by: Shuah Khan <shuah.kh@samsung.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/macintosh/adb.c')
| -rw-r--r-- | drivers/macintosh/adb.c | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index 53611de7a457..9e9c56758a08 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -262,7 +262,7 @@ adb_reset_bus(void) /* * notify clients before sleep */ -static int adb_suspend(struct platform_device *dev, pm_message_t state) +static int __adb_suspend(struct platform_device *dev, pm_message_t state) { adb_got_sleep = 1; /* We need to get a lock on the probe thread */ @@ -275,10 +275,25 @@ static int adb_suspend(struct platform_device *dev, pm_message_t state) return 0; } +static int adb_suspend(struct device *dev) +{ + return __adb_suspend(to_platform_device(dev), PMSG_SUSPEND); +} + +static int adb_freeze(struct device *dev) +{ + return __adb_suspend(to_platform_device(dev), PMSG_FREEZE); +} + +static int adb_poweroff(struct device *dev) +{ + return __adb_suspend(to_platform_device(dev), PMSG_HIBERNATE); +} + /* * reset bus after sleep */ -static int adb_resume(struct platform_device *dev) +static int __adb_resume(struct platform_device *dev) { adb_got_sleep = 0; up(&adb_probe_mutex); @@ -286,6 +301,11 @@ static int adb_resume(struct platform_device *dev) return 0; } + +static int adb_resume(struct device *dev) +{ + return __adb_resume(to_platform_device(dev)); +} #endif /* CONFIG_PM */ static int __init adb_init(void) @@ -829,14 +849,25 @@ static const struct file_operations adb_fops = { .release = adb_release, }; +#ifdef CONFIG_PM +static const struct dev_pm_ops adb_dev_pm_ops = { + .suspend = adb_suspend, + .resume = adb_resume, + /* Hibernate hooks */ + .freeze = adb_freeze, + .thaw = adb_resume, + .poweroff = adb_poweroff, + .restore = adb_resume, +}; +#endif + static struct platform_driver adb_pfdrv = { .driver = { .name = "adb", - }, #ifdef CONFIG_PM - .suspend = adb_suspend, - .resume = adb_resume, + .pm = &adb_dev_pm_ops, #endif + }, }; static struct platform_device adb_pfdev = { |
