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path: root/drivers/of/platform.c
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Diffstat (limited to 'drivers/of/platform.c')
-rw-r--r--drivers/of/platform.c461
1 files changed, 0 insertions, 461 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index c01cd1ac7617..1ce4c45c4ab2 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -42,471 +42,10 @@ struct platform_device *of_find_device_by_node(struct device_node *np)
}
EXPORT_SYMBOL(of_find_device_by_node);
-static int platform_driver_probe_shim(struct platform_device *pdev)
-{
- struct platform_driver *pdrv;
- struct of_platform_driver *ofpdrv;
- const struct of_device_id *match;
-
- pdrv = container_of(pdev->dev.driver, struct platform_driver, driver);
- ofpdrv = container_of(pdrv, struct of_platform_driver, platform_driver);
-
- /* There is an unlikely chance that an of_platform driver might match
- * on a non-OF platform device. If so, then of_match_device() will
- * come up empty. Return -EINVAL in this case so other drivers get
- * the chance to bind. */
- match = of_match_device(pdev->dev.driver->of_match_table, &pdev->dev);
- return match ? ofpdrv->probe(pdev, match) : -EINVAL;
-}
-
-static void platform_driver_shutdown_shim(struct platform_device *pdev)
-{
- struct platform_driver *pdrv;
- struct of_platform_driver *ofpdrv;
-
- pdrv = container_of(pdev->dev.driver, struct platform_driver, driver);
- ofpdrv = container_of(pdrv, struct of_platform_driver, platform_driver);
- ofpdrv->shutdown(pdev);
-}
-
-/**
- * of_register_platform_driver
- */
-int of_register_platform_driver(struct of_platform_driver *drv)
-{
- char *of_name;
-
- /* setup of_platform_driver to platform_driver adaptors */
- drv->platform_driver.driver = drv->driver;
-
- /* Prefix the driver name with 'of:' to avoid namespace collisions
- * and bogus matches. There are some drivers in the tree that
- * register both an of_platform_driver and a platform_driver with
- * the same name. This is a temporary measure until they are all
- * cleaned up --gcl July 29, 2010 */
- of_name = kmalloc(strlen(drv->driver.name) + 5, GFP_KERNEL);
- if (!of_name)
- return -ENOMEM;
- sprintf(of_name, "of:%s", drv->driver.name);
- drv->platform_driver.driver.name = of_name;
-
- if (drv->probe)
- drv->platform_driver.probe = platform_driver_probe_shim;
- drv->platform_driver.remove = drv->remove;
- if (drv->shutdown)
- drv->platform_driver.shutdown = platform_driver_shutdown_shim;
- drv->platform_driver.suspend = drv->suspend;
- drv->platform_driver.resume = drv->resume;
-
- return platform_driver_register(&drv->platform_driver);
-}
-EXPORT_SYMBOL(of_register_platform_driver);
-
-void of_unregister_platform_driver(struct of_platform_driver *drv)
-{
- platform_driver_unregister(&drv->platform_driver);
- kfree(drv->platform_driver.driver.name);
- drv->platform_driver.driver.name = NULL;
-}
-EXPORT_SYMBOL(of_unregister_platform_driver);
-
#if defined(CONFIG_PPC_DCR)
#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
generated by cgit v1.2.3 (git 2.0.4) at 2024-12-30 19:24:37 +0000