Platform: OLPC: turn EC driver into a platform_driver

[karo-tx-linux.git] / drivers / platform / olpc / olpc-ec.c

diff --git a/drivers/platform/olpc/olpc-ec.c b/drivers/platform/olpc/olpc-ec.c
index 44e6a4fae79b60c36bcac75c0a74b327ff7d4dd0..d00523c65191a9978adcd7b6f97efa8335fcfea2 100644 (file)
--- a/drivers/platform/olpc/olpc-ec.c
+++ b/drivers/platform/olpc/olpc-ec.c
@@ -8,6 +8,7 @@
 #include <linux/completion.h>
 #include <linux/spinlock.h>
 #include <linux/mutex.h>
+#include <linux/platform_device.h>
 #include <linux/workqueue.h>
 #include <linux/module.h>
 #include <linux/list.h>
@@ -122,3 +123,50 @@ int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf, size_t outlen)
        return desc.err;
 }
 EXPORT_SYMBOL_GPL(olpc_ec_cmd);
+
+static int olpc_ec_probe(struct platform_device *pdev)
+{
+       int err;
+
+       if (!ec_driver)
+               return -ENODEV;
+
+       err = ec_driver->probe ? ec_driver->probe(pdev) : 0;
+
+       return err;
+}
+
+static int olpc_ec_suspend(struct device *dev)
+{
+       struct platform_device *pdev = to_platform_device(dev);
+       return ec_driver->suspend ? ec_driver->suspend(pdev) : 0;
+}
+
+static int olpc_ec_resume(struct device *dev)
+{
+       struct platform_device *pdev = to_platform_device(dev);
+       return ec_driver->resume ? ec_driver->resume(pdev) : 0;
+}
+
+static const struct dev_pm_ops olpc_ec_pm_ops = {
+       .suspend_late = olpc_ec_suspend,
+       .resume_early = olpc_ec_resume,
+};
+
+static struct platform_driver olpc_ec_plat_driver = {
+       .probe = olpc_ec_probe,
+       .driver = {
+               .name = "olpc-ec",
+               .pm = &olpc_ec_pm_ops,
+       },
+};
+
+static int __init olpc_ec_init_module(void)
+{
+       return platform_driver_register(&olpc_ec_plat_driver);
+}
+
+module_init(olpc_ec_init_module);
+
+MODULE_AUTHOR("Andres Salomon <dilinger@queued.net>");
+MODULE_LICENSE("GPL");