mazon: use platform_device for most drivers and fix some printk's

[openwrt.git] / target / linux / amazon / files / drivers / char / watchdog / amazon_wdt.c

diff --git a/target/linux/amazon/files/drivers/char/watchdog/amazon_wdt.c b/target/linux/amazon/files/drivers/char/watchdog/amazon_wdt.c
index e06203d..6e1eb79 100644 (file)
--- a/target/linux/amazon/files/drivers/char/watchdog/amazon_wdt.c
+++ b/target/linux/amazon/files/drivers/char/watchdog/amazon_wdt.c
@@ -36,6 +36,7 @@
 #include <linux/ioctl.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
+#include <linux/platform_device.h>
 #include <asm/amazon/amazon.h>
 #include <asm/amazon/amazon_wdt.h>
 
@@ -206,7 +207,7 @@ static struct file_operations wdt_fops = {
        release:        wdt_release,    
 };
 
-int __init amazon_wdt_init_module(void)
+static int __init amazon_wdt_probe(struct platform_device *dev)
 {
        int result = result = register_chrdev(0, "watchdog", &wdt_fops);
        
@@ -226,7 +227,7 @@ int __init amazon_wdt_init_module(void)
        return 0;
 }
 
-void amazon_wdt_cleanup_module(void)
+static int amazon_wdt_remove(struct platform_device *dev)
 {
        unregister_chrdev(0, "watchdog");
 #ifdef AMAZON_WDT_DEBUG
@@ -234,13 +235,35 @@ void amazon_wdt_cleanup_module(void)
        remove_proc_entry("amazon_wdt", NULL);
 #endif
        printk(KERN_INFO DRV_NAME "unregistered\n");
-       return;
+       return 0;
+}
+
+static struct platform_driver amazon_wdt_driver = {
+       .probe = amazon_wdt_probe,
+       .remove = amazon_wdt_remove,
+       .driver = {
+               .name = "amazon_wdt",
+               .owner = THIS_MODULE,
+       },
+};
+
+static int __init amazon_wdt_init(void)
+{
+       int ret = platform_driver_register(&amazon_wdt_driver);
+       if (ret)
+               printk(KERN_WARNING "amazon_wdt: error registering platfom driver!\n");
+       return ret;
 }
 
+static void __exit amazon_wdt_exit(void)
+{
+       platform_driver_unregister(&amazon_wdt_driver);
+}
+
+module_init(amazon_wdt_init);
+module_exit(amazon_wdt_exit);
+
 MODULE_LICENSE ("GPL");
 MODULE_AUTHOR("Infineon / John Crispin <blogic@openwrt.org>");
 MODULE_DESCRIPTION("AMAZON WDT driver");
 
-module_init(amazon_wdt_init_module);
-module_exit(amazon_wdt_cleanup_module);
-