#include <linux/bitops.h>
#include <linux/platform_device.h>
#include <linux/spinlock.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
#include <asm/hardware.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
#define MODULE_NAME "DAVINCI-WDT: "
static int heartbeat = DEFAULT_HEARTBEAT;
-static spinlock_t io_lock;
+static DEFINE_SPINLOCK(io_lock);
static unsigned long wdt_status;
#define WDT_IN_USE 0
#define WDT_OK_TO_CLOSE 1
.identity = "DaVinci Watchdog",
};
-static int
-davinci_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long davinci_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int ret = -ENOTTY;
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = davinci_wdt_write,
- .ioctl = davinci_wdt_ioctl,
+ .unlocked_ioctl = davinci_wdt_ioctl,
.open = davinci_wdt_open,
.release = davinci_wdt_release,
};
int ret = 0, size;
struct resource *res;
- spin_lock_init(&io_lock);
-
if (heartbeat < 1 || heartbeat > MAX_HEARTBEAT)
heartbeat = DEFAULT_HEARTBEAT;
static struct platform_driver platform_wdt_driver = {
.driver = {
.name = "watchdog",
+ .owner = THIS_MODULE,
},
.probe = davinci_wdt_probe,
.remove = davinci_wdt_remove,
static void __exit davinci_wdt_exit(void)
{
- return platform_driver_unregister(&platform_wdt_driver);
+ platform_driver_unregister(&platform_wdt_driver);
}
module_init(davinci_wdt_init);
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+MODULE_ALIAS("platform:watchdog");