Messages in this thread Patch in this message | | | From | Shuah Khan <> | Subject | [RFT][PATCH 07/12] isa: change isa bus power management to use dev_pm_ops | Date | Mon, 10 Feb 2014 09:12:30 -0700 |
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Change isa bus 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> --- drivers/base/isa.c | 30 +++++++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-)
diff --git a/drivers/base/isa.c b/drivers/base/isa.c index 91dba65..15b8825 100644 --- a/drivers/base/isa.c +++ b/drivers/base/isa.c @@ -63,7 +63,7 @@ static void isa_bus_shutdown(struct device *dev) isa_driver->shutdown(dev, to_isa_dev(dev)->id); } -static int isa_bus_suspend(struct device *dev, pm_message_t state) +static int __isa_bus_suspend(struct device *dev, pm_message_t state) { struct isa_driver *isa_driver = dev->platform_data; @@ -73,6 +73,21 @@ static int isa_bus_suspend(struct device *dev, pm_message_t state) return 0; } +static int isa_bus_suspend(struct device *dev) +{ + return __isa_bus_suspend(dev, PMSG_SUSPEND); +} + +static int isa_bus_freeze(struct device *dev) +{ + return __isa_bus_suspend(dev, PMSG_FREEZE); +} + +static int isa_bus_poweroff(struct device *dev) +{ + return __isa_bus_suspend(dev, PMSG_HIBERNATE); +} + static int isa_bus_resume(struct device *dev) { struct isa_driver *isa_driver = dev->platform_data; @@ -83,14 +98,23 @@ static int isa_bus_resume(struct device *dev) return 0; } +static const struct dev_pm_ops isa_bus_dev_pm_ops = { + .suspend = isa_bus_suspend, + .resume = isa_bus_resume, + /* Hibernate callbacks */ + .freeze = isa_bus_freeze, + .thaw = isa_bus_resume, + .poweroff = isa_bus_poweroff, + .restore = isa_bus_resume, +}; + static struct bus_type isa_bus_type = { .name = "isa", .match = isa_bus_match, .probe = isa_bus_probe, .remove = isa_bus_remove, .shutdown = isa_bus_shutdown, - .suspend = isa_bus_suspend, - .resume = isa_bus_resume + .pm = &isa_bus_dev_pm_ops, }; static void isa_dev_release(struct device *dev) -- 1.7.10.4
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