[WATCHDOG 55/57] wdt285: switch to unlocked_ioctl and tidy up oddments of coding style

Alan Cox · Wim Van Sebroeck · commit d0e58eed05f9 · 2008-06-21T20:04:09.000Z
Review and switch to unlocked_ioctl

Signed-off-by: Alan Cox &lt;alan@redhat.com&gt;
Signed-off-by: Wim Van Sebroeck &lt;wim@iguana.be&gt;
diff --git a/drivers/watchdog/wdt285.c b/drivers/watchdog/wdt285.c
@@ -26,9 +26,9 @@
 #include <linux/reboot.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/uaccess.h>
+#include <linux/irq.h>
 
-#include <asm/irq.h>
-#include <asm/uaccess.h>
 #include <asm/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/hardware/dec21285.h>
@@ -115,8 +115,8 @@ static int watchdog_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static ssize_t
-watchdog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
+static ssize_t watchdog_write(struct file *file, const char *data,
+						size_t len, loff_t *ppos)
 {
 	/*
 	 *	Refresh the timer.
@@ -127,19 +127,18 @@ watchdog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
 	return len;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options	= WDIOF_SETTIMEOUT,
 	.identity	= "Footbridge Watchdog",
 };
 
-static int
-watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-	       unsigned long arg)
+static long watchdog_ioctl(struct file *file, unsigned int cmd,
+							unsigned long arg)
 {
 	unsigned int new_margin;
 	int ret = -ENOTTY;
 
-	switch(cmd) {
+	switch (cmd) {
 	case WDIOC_GETSUPPORT:
 		ret = 0;
 		if (copy_to_user((void *)arg, &ident, sizeof(ident)))
@@ -148,7 +147,7 @@ watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 
 	case WDIOC_GETSTATUS:
 	case WDIOC_GETBOOTSTATUS:
-		ret = put_user(0,(int *)arg);
+		ret = put_user(0, (int *)arg);
 		break;
 
 	case WDIOC_KEEPALIVE:
@@ -182,7 +181,7 @@ static const struct file_operations watchdog_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,
 	.write		= watchdog_write,
-	.ioctl		= watchdog_ioctl,
+	.unlocked_ioctl	= watchdog_ioctl,
 	.open		= watchdog_open,
 	.release	= watchdog_release,
 };
@@ -204,11 +203,13 @@ static int __init footbridge_watchdog_init(void)
 	if (retval < 0)
 		return retval;
 
-	printk("Footbridge Watchdog Timer: 0.01, timer margin: %d sec\n",
-	       soft_margin);
+	printk(KERN_INFO
+		"Footbridge Watchdog Timer: 0.01, timer margin: %d sec\n",
+								soft_margin);
 
 	if (machine_is_cats())
-		printk("Warning: Watchdog reset may not work on this machine.\n");
+		printk(KERN_WARN
+		  "Warning: Watchdog reset may not work on this machine.\n");
 	return 0;
 }
 
@@ -223,7 +224,7 @@ MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 module_param(soft_margin, int, 0);
-MODULE_PARM_DESC(soft_margin,"Watchdog timeout in seconds");
+MODULE_PARM_DESC(soft_margin, "Watchdog timeout in seconds");
 
 module_init(footbridge_watchdog_init);
 module_exit(footbridge_watchdog_exit);
