#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/spinlock.h>
-
-#include <asm/hardware.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
#define MODULE_NAME "PNX4008-WDT: "
/* WDTIM_CTRL bit definitions */
#define COUNT_ENAB 1
-#define RESET_COUNT (1<<1)
-#define DEBUG_EN (1<<2)
+#define RESET_COUNT (1 << 1)
+#define DEBUG_EN (1 << 2)
/* WDTIM_MCTRL bit definitions */
#define MR0_INT 1
#undef RESET_COUNT0
-#define RESET_COUNT0 (1<<2)
-#define STOP_COUNT0 (1<<2)
-#define M_RES1 (1<<3)
-#define M_RES2 (1<<4)
-#define RESFRC1 (1<<5)
-#define RESFRC2 (1<<6)
+#define RESET_COUNT0 (1 << 2)
+#define STOP_COUNT0 (1 << 2)
+#define M_RES1 (1 << 3)
+#define M_RES2 (1 << 4)
+#define RESFRC1 (1 << 5)
+#define RESFRC2 (1 << 6)
/* WDTIM_EMR bit definitions */
#define EXT_MATCH0 1
-#define MATCH_OUTPUT_HIGH (2<<4) /*a MATCH_CTRL setting */
+#define MATCH_OUTPUT_HIGH (2 << 4) /*a MATCH_CTRL setting */
/* WDTIM_RES bit definitions */
#define WDOG_RESET 1 /* read only */
static int nowayout = WATCHDOG_NOWAYOUT;
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
return nonseekable_open(inode, file);
}
-static ssize_t
-pnx4008_wdt_write(struct file *file, const char *data, size_t len,
- loff_t * ppos)
+static ssize_t pnx4008_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
{
if (len) {
if (!nowayout) {
return len;
}
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
.options = WDIOF_CARDRESET | WDIOF_MAGICCLOSE |
WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
.identity = "PNX4008 Watchdog",
};
-static int
-pnx4008_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long pnx4008_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int ret = -ENOTTY;
int time;
ret = put_user(boot_status, (int *)arg);
break;
+ case WDIOC_KEEPALIVE:
+ wdt_enable();
+ ret = 0;
+ break;
+
case WDIOC_SETTIMEOUT:
ret = get_user(time, (int *)arg);
if (ret)
case WDIOC_GETTIMEOUT:
ret = put_user(heartbeat, (int *)arg);
break;
-
- case WDIOC_KEEPALIVE:
- wdt_enable();
- ret = 0;
- break;
}
return ret;
}
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = pnx4008_wdt_write,
- .ioctl = pnx4008_wdt_ioctl,
+ .unlocked_ioctl = pnx4008_wdt_ioctl,
.open = pnx4008_wdt_open,
.release = pnx4008_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 = pnx4008_wdt_probe,
.remove = pnx4008_wdt_remove,
static void __exit pnx4008_wdt_exit(void)
{
- return platform_driver_unregister(&platform_wdt_driver);
+ platform_driver_unregister(&platform_wdt_driver);
}
module_init(pnx4008_wdt_init);
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+MODULE_ALIAS("platform:watchdog");