* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/platform_device.h>
-#include <asm/uaccess.h>
-#include <asm-mips/ifxmips/ifxmips_cgu.h>
-#include <asm-mips/ifxmips/ifxmips.h>
+#include <linux/uaccess.h>
+
+#include <asm/ifxmips/ifxmips_cgu.h>
+#include <asm/ifxmips/ifxmips.h>
-#define IFXMIPS_WDT_PW1 0x00BE0000
-#define IFXMIPS_WDT_PW2 0x00DC0000
+#define IFXMIPS_WDT_PW1 0x00BE0000
+#define IFXMIPS_WDT_PW2 0x00DC0000
#ifndef CONFIG_WATCHDOG_NOWAYOUT
-static int wdt_ok_to_close = 0;
+static int wdt_ok_to_close;
#endif
-int wdt_timeout = 30;
+static int wdt_timeout = 30;
-int
-ifxmips_wdt_enable(unsigned int timeout)
+int ifxmips_wdt_enable(unsigned int timeout)
{
u32 fpi;
fpi = cgu_get_io_region_clock();
ifxmips_w32(IFXMIPS_WDT_PW1, IFXMIPS_BIU_WDT_CR);
ifxmips_w32(IFXMIPS_WDT_PW2 |
- (0x3 << 26) | // PWL
- (0x3 << 24) | // CLKDIV
- (0x1 << 31) | // enable
- ((timeout * (fpi / 0x40000)) + 0x1000), // reload
+ (0x3 << 26) | /* PWL */
+ (0x3 << 24) | /* CLKDIV */
+ (0x1 << 31) | /* enable */
+ ((timeout * (fpi / 0x40000)) + 0x1000), /* reload */
IFXMIPS_BIU_WDT_CR);
return 0;
}
-void
-ifxmips_wdt_disable(void)
+void ifxmips_wdt_disable(void)
{
#ifndef CONFIG_WATCHDOG_NOWAYOUT
wdt_ok_to_close = 0;
ifxmips_w32(IFXMIPS_WDT_PW2, IFXMIPS_BIU_WDT_CR);
}
-static ssize_t
-ifxmips_wdt_write(struct file *file, const char __user *data, size_t len,
- loff_t *ppos)
+static ssize_t ifxmips_wdt_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
{
size_t i;
- if(!len)
+ if (!len)
return 0;
#ifndef CONFIG_WATCHDOG_NOWAYOUT
- for(i = 0; i != len; i++)
- {
+ for (i = 0; i != len; i++) {
char c;
- if(get_user(c, data + i))
+ if (get_user(c, data + i))
return -EFAULT;
- if(c == 'V')
+ if (c == 'V')
wdt_ok_to_close = 1;
}
#endif
.identity = "ifxmips Watchdog",
};
-static int
-ifxmips_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static int ifxmips_wdt_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int ret = -ENOTTY;
- switch(cmd)
- {
+ switch (cmd) {
case WDIOC_GETSUPPORT:
ret = copy_to_user((struct watchdog_info __user *)arg, &ident,
sizeof(ident)) ? -EFAULT : 0;
break;
case WDIOC_SETTIMEOUT:
- ret = get_user(wdt_timeout, (int __user*)arg);
+ ret = get_user(wdt_timeout, (int __user *)arg);
break;
case WDIOC_KEEPALIVE:
return ret;
}
-static int
-ifxmips_wdt_open(struct inode *inode, struct file *file)
+static int ifxmips_wdt_open(struct inode *inode, struct file *file)
{
ifxmips_wdt_enable(wdt_timeout);
- printk("ifxmips_wdt: activated");
return nonseekable_open(inode, file);
}
static int ifxmips_wdt_release(struct inode *inode, struct file *file)
{
#ifndef CONFIG_WATCHDOG_NOWAYOUT
- if(wdt_ok_to_close)
+ if (wdt_ok_to_close)
ifxmips_wdt_disable();
else
#endif
- printk(KERN_INFO "watchdog closed without warning, rebooting system\n");
+ printk(KERN_ERR "ifxmips_wdt: watchdog closed without warning,"
+ " rebooting system\n");
return 0;
}
.fops = &ifxmips_wdt_fops,
};
-static int
-ifxmips_wdt_probe(struct platform_device *dev)
+static int ifxmips_wdt_probe(struct platform_device *dev)
{
int err;
err = misc_register(&ifxmips_wdt_miscdev);
- if(err)
- printk("ifxmips_wdt: error creating device\n");
+ if (err)
+ printk(KERN_INFO "ifxmips_wdt: error creating device\n");
else
- printk("ifxmips_wdt: loaded\n");
+ printk(KERN_INFO "ifxmips_wdt: loaded\n");
return err;
}
-static int
-ifxmips_wdt_remove(struct platform_device *dev)
+static int ifxmips_wdt_remove(struct platform_device *dev)
{
ifxmips_wdt_disable();
misc_deregister(&ifxmips_wdt_miscdev);
},
};
-static int __init
-init_ifxmips_wdt(void)
+static int __init init_ifxmips_wdt(void)
{
int ret = platform_driver_register(&ifxmips_wdt_driver);
- if(ret)
+ if (ret)
printk(KERN_INFO "ifxmips_wdt: error registering platfom driver!");
return ret;
}
-static void __exit
-exit_ifxmips_wdt(void)
+static void __exit exit_ifxmips_wdt(void)
{
platform_driver_unregister(&ifxmips_wdt_driver);
}