diff options
Diffstat (limited to 'drivers/of/platform.c')
| -rw-r--r-- | drivers/of/platform.c | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index c01cd1ac7617..b71d0cdc4209 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -114,399 +114,6 @@ EXPORT_SYMBOL(of_unregister_platform_driver); #include <asm/dcr.h> #endif -extern struct device_attribute of_platform_device_attrs[]; - -static int of_platform_bus_match(struct device *dev, struct device_driver *drv) -{ - const struct of_device_id *matches = drv->of_match_table; - - if (!matches) - return 0; - - return of_match_device(matches, dev) != NULL; -} - -static int of_platform_device_probe(struct device *dev) -{ - int error = -ENODEV; - struct of_platform_driver *drv; - struct platform_device *of_dev; - const struct of_device_id *match; - - drv = to_of_platform_driver(dev->driver); - of_dev = to_platform_device(dev); - - if (!drv->probe) - return error; - - of_dev_get(of_dev); - - match = of_match_device(drv->driver.of_match_table, dev); - if (match) - error = drv->probe(of_dev, match); - if (error) - of_dev_put(of_dev); - - return error; -} - -static int of_platform_device_remove(struct device *dev) -{ - struct platform_device *of_dev = to_platform_device(dev); - struct of_platform_driver *drv = to_of_platform_driver(dev->driver); - - if (dev->driver && drv->remove) - drv->remove(of_dev); - return 0; -} - -static void of_platform_device_shutdown(struct device *dev) -{ - struct platform_device *of_dev = to_platform_device(dev); - struct of_platform_driver *drv = to_of_platform_driver(dev->driver); - - if (dev->driver && drv->shutdown) - drv->shutdown(of_dev); -} - -#ifdef CONFIG_PM_SLEEP - -static int of_platform_legacy_suspend(struct device *dev, pm_message_t mesg) -{ - struct platform_device *of_dev = to_platform_device(dev); - struct of_platform_driver *drv = to_of_platform_driver(dev->driver); - int ret = 0; - - if (dev->driver && drv->suspend) - ret = drv->suspend(of_dev, mesg); - return ret; -} - -static int of_platform_legacy_resume(struct device *dev) -{ - struct platform_device *of_dev = to_platform_device(dev); - struct of_platform_driver *drv = to_of_platform_driver(dev->driver); - int ret = 0; - - if (dev->driver && drv->resume) - ret = drv->resume(of_dev); - return ret; -} - -static int of_platform_pm_prepare(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (drv && drv->pm && drv->pm->prepare) - ret = drv->pm->prepare(dev); - - return ret; -} - -static void of_platform_pm_complete(struct device *dev) -{ - struct device_driver *drv = dev->driver; - - if (drv && drv->pm && drv->pm->complete) - drv->pm->complete(dev); -} - -#ifdef CONFIG_SUSPEND - -static int of_platform_pm_suspend(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->suspend) - ret = drv->pm->suspend(dev); - } else { - ret = of_platform_legacy_suspend(dev, PMSG_SUSPEND); - } - - return ret; -} - -static int of_platform_pm_suspend_noirq(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->suspend_noirq) - ret = drv->pm->suspend_noirq(dev); - } - - return ret; -} - -static int of_platform_pm_resume(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->resume) - ret = drv->pm->resume(dev); - } else { - ret = of_platform_legacy_resume(dev); - } - - return ret; -} - -static int of_platform_pm_resume_noirq(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->resume_noirq) - ret = drv->pm->resume_noirq(dev); - } - - return ret; -} - -#else /* !CONFIG_SUSPEND */ - -#define of_platform_pm_suspend NULL -#define of_platform_pm_resume NULL -#define of_platform_pm_suspend_noirq NULL -#define of_platform_pm_resume_noirq NULL - -#endif /* !CONFIG_SUSPEND */ - -#ifdef CONFIG_HIBERNATION - -static int of_platform_pm_freeze(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->freeze) - ret = drv->pm->freeze(dev); - } else { - ret = of_platform_legacy_suspend(dev, PMSG_FREEZE); - } - - return ret; -} - -static int of_platform_pm_freeze_noirq(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->freeze_noirq) - ret = drv->pm->freeze_noirq(dev); - } - - return ret; -} - -static int of_platform_pm_thaw(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->thaw) - ret = drv->pm->thaw(dev); - } else { - ret = of_platform_legacy_resume(dev); - } - - return ret; -} - -static int of_platform_pm_thaw_noirq(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->thaw_noirq) - ret = drv->pm->thaw_noirq(dev); - } - - return ret; -} - -static int of_platform_pm_poweroff(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->poweroff) - ret = drv->pm->poweroff(dev); - } else { - ret = of_platform_legacy_suspend(dev, PMSG_HIBERNATE); - } - - return ret; -} - -static int of_platform_pm_poweroff_noirq(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->poweroff_noirq) - ret = drv->pm->poweroff_noirq(dev); - } - - return ret; -} - -static int of_platform_pm_restore(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->restore) - ret = drv->pm->restore(dev); - } else { - ret = of_platform_legacy_resume(dev); - } - - return ret; -} - -static int of_platform_pm_restore_noirq(struct device *dev) -{ - struct device_driver *drv = dev->driver; - int ret = 0; - - if (!drv) - return 0; - - if (drv->pm) { - if (drv->pm->restore_noirq) - ret = drv->pm->restore_noirq(dev); - } - - return ret; -} - -#else /* !CONFIG_HIBERNATION */ - -#define of_platform_pm_freeze NULL -#define of_platform_pm_thaw NULL -#define of_platform_pm_poweroff NULL -#define of_platform_pm_restore NULL -#define of_platform_pm_freeze_noirq NULL -#define of_platform_pm_thaw_noirq NULL -#define of_platform_pm_poweroff_noirq NULL -#define of_platform_pm_restore_noirq NULL - -#endif /* !CONFIG_HIBERNATION */ - -static struct dev_pm_ops of_platform_dev_pm_ops = { - .prepare = of_platform_pm_prepare, - .complete = of_platform_pm_complete, - .suspend = of_platform_pm_suspend, - .resume = of_platform_pm_resume, - .freeze = of_platform_pm_freeze, - .thaw = of_platform_pm_thaw, - .poweroff = of_platform_pm_poweroff, - .restore = of_platform_pm_restore, - .suspend_noirq = of_platform_pm_suspend_noirq, - .resume_noirq = of_platform_pm_resume_noirq, - .freeze_noirq = of_platform_pm_freeze_noirq, - .thaw_noirq = of_platform_pm_thaw_noirq, - .poweroff_noirq = of_platform_pm_poweroff_noirq, - .restore_noirq = of_platform_pm_restore_noirq, -}; - -#define OF_PLATFORM_PM_OPS_PTR (&of_platform_dev_pm_ops) - -#else /* !CONFIG_PM_SLEEP */ - -#define OF_PLATFORM_PM_OPS_PTR NULL - -#endif /* !CONFIG_PM_SLEEP */ - -int of_bus_type_init(struct bus_type *bus, const char *name) -{ - bus->name = name; - bus->match = of_platform_bus_match; - bus->probe = of_platform_device_probe; - bus->remove = of_platform_device_remove; - bus->shutdown = of_platform_device_shutdown; - bus->dev_attrs = of_platform_device_attrs; - bus->pm = OF_PLATFORM_PM_OPS_PTR; - return bus_register(bus); -} - -int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus) -{ - /* - * Temporary: of_platform_bus used to be distinct from the platform - * bus. It isn't anymore, and so drivers on the platform bus need - * to be registered in a special way. - * - * After all of_platform_bus_type drivers are converted to - * platform_drivers, this exception can be removed. - */ - if (bus == &platform_bus_type) - return of_register_platform_driver(drv); - - /* register with core */ - drv->driver.bus = bus; - return driver_register(&drv->driver); -} -EXPORT_SYMBOL(of_register_driver); - -void of_unregister_driver(struct of_platform_driver *drv) -{ - if (drv->driver.bus == &platform_bus_type) - of_unregister_platform_driver(drv); - else - driver_unregister(&drv->driver); -} -EXPORT_SYMBOL(of_unregister_driver); - #if !defined(CONFIG_SPARC) /* * The following routines scan a subtree and registers a device for |
