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path: root/drivers/base/platform.c
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Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r--drivers/base/platform.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 6d4736e89f1a..8827dafba945 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -20,6 +20,8 @@
#include "base.h"
+#define to_platform_driver(drv) (container_of((drv), struct platform_driver, driver))
+
struct device platform_bus = {
.bus_id = "platform",
};
@@ -354,6 +356,77 @@ error:
return ERR_PTR(retval);
}
+static int platform_drv_probe(struct device *_dev)
+{
+ struct platform_driver *drv = to_platform_driver(_dev->driver);
+ struct platform_device *dev = to_platform_device(_dev);
+
+ return drv->probe(dev);
+}
+
+static int platform_drv_remove(struct device *_dev)
+{
+ struct platform_driver *drv = to_platform_driver(_dev->driver);
+ struct platform_device *dev = to_platform_device(_dev);
+
+ return drv->remove(dev);
+}
+
+static void platform_drv_shutdown(struct device *_dev)
+{
+ struct platform_driver *drv = to_platform_driver(_dev->driver);
+ struct platform_device *dev = to_platform_device(_dev);
+
+ drv->shutdown(dev);
+}
+
+static int platform_drv_suspend(struct device *_dev, pm_message_t state)
+{
+ struct platform_driver *drv = to_platform_driver(_dev->driver);
+ struct platform_device *dev = to_platform_device(_dev);
+
+ return drv->suspend(dev, state);
+}
+
+static int platform_drv_resume(struct device *_dev)
+{
+ struct platform_driver *drv = to_platform_driver(_dev->driver);
+ struct platform_device *dev = to_platform_device(_dev);
+
+ return drv->resume(dev);
+}
+
+/**
+ * platform_driver_register
+ * @drv: platform driver structure
+ */
+int platform_driver_register(struct platform_driver *drv)
+{
+ drv->driver.bus = &platform_bus_type;
+ if (drv->probe)
+ drv->driver.probe = platform_drv_probe;
+ if (drv->remove)
+ drv->driver.remove = platform_drv_remove;
+ if (drv->shutdown)
+ drv->driver.shutdown = platform_drv_shutdown;
+ if (drv->suspend)
+ drv->driver.suspend = platform_drv_suspend;
+ if (drv->resume)
+ drv->driver.resume = platform_drv_resume;
+ return driver_register(&drv->driver);
+}
+EXPORT_SYMBOL_GPL(platform_driver_register);
+
+/**
+ * platform_driver_unregister
+ * @drv: platform driver structure
+ */
+void platform_driver_unregister(struct platform_driver *drv)
+{
+ driver_unregister(&drv->driver);
+}
+EXPORT_SYMBOL_GPL(platform_driver_unregister);
+
/**
* platform_match - bind platform device to platform driver.