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authorAlan Cox <alan@redhat.com>2008-05-19 09:09:51 -0400
committerWim Van Sebroeck <wim@iguana.be>2008-06-21 16:04:09 -0400
commitd0e58eed05f9baf77c4f75e794ae245f6dae240a (patch)
treecbe3d820d7efaaa5993c38e582a24b826943a847 /drivers/watchdog
parentdae67a2835149e6518a78c5cf37d6de715c214fc (diff)
[WATCHDOG 55/57] wdt285: switch to unlocked_ioctl and tidy up oddments of coding style
Review and switch to unlocked_ioctl Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/wdt285.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/watchdog/wdt285.c b/drivers/watchdog/wdt285.c
index e4cf661dc890..fea398a4ca32 100644
--- a/drivers/watchdog/wdt285.c
+++ b/drivers/watchdog/wdt285.c
@@ -26,9 +26,9 @@
26#include <linux/reboot.h> 26#include <linux/reboot.h>
27#include <linux/init.h> 27#include <linux/init.h>
28#include <linux/interrupt.h> 28#include <linux/interrupt.h>
29#include <linux/uaccess.h>
30#include <linux/irq.h>
29 31
30#include <asm/irq.h>
31#include <asm/uaccess.h>
32#include <asm/hardware.h> 32#include <asm/hardware.h>
33#include <asm/mach-types.h> 33#include <asm/mach-types.h>
34#include <asm/hardware/dec21285.h> 34#include <asm/hardware/dec21285.h>
@@ -115,8 +115,8 @@ static int watchdog_release(struct inode *inode, struct file *file)
115 return 0; 115 return 0;
116} 116}
117 117
118static ssize_t 118static ssize_t watchdog_write(struct file *file, const char *data,
119watchdog_write(struct file *file, const char *data, size_t len, loff_t *ppos) 119 size_t len, loff_t *ppos)
120{ 120{
121 /* 121 /*
122 * Refresh the timer. 122 * Refresh the timer.
@@ -127,19 +127,18 @@ watchdog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
127 return len; 127 return len;
128} 128}
129 129
130static struct watchdog_info ident = { 130static const struct watchdog_info ident = {
131 .options = WDIOF_SETTIMEOUT, 131 .options = WDIOF_SETTIMEOUT,
132 .identity = "Footbridge Watchdog", 132 .identity = "Footbridge Watchdog",
133}; 133};
134 134
135static int 135static long watchdog_ioctl(struct file *file, unsigned int cmd,
136watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd, 136 unsigned long arg)
137 unsigned long arg)
138{ 137{
139 unsigned int new_margin; 138 unsigned int new_margin;
140 int ret = -ENOTTY; 139 int ret = -ENOTTY;
141 140
142 switch(cmd) { 141 switch (cmd) {
143 case WDIOC_GETSUPPORT: 142 case WDIOC_GETSUPPORT:
144 ret = 0; 143 ret = 0;
145 if (copy_to_user((void *)arg, &ident, sizeof(ident))) 144 if (copy_to_user((void *)arg, &ident, sizeof(ident)))
@@ -148,7 +147,7 @@ watchdog_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
148 147
149 case WDIOC_GETSTATUS: 148 case WDIOC_GETSTATUS:
150 case WDIOC_GETBOOTSTATUS: 149 case WDIOC_GETBOOTSTATUS:
151 ret = put_user(0,(int *)arg); 150 ret = put_user(0, (int *)arg);
152 break; 151 break;
153 152
154 case WDIOC_KEEPALIVE: 153 case WDIOC_KEEPALIVE:
@@ -182,7 +181,7 @@ static const struct file_operations watchdog_fops = {
182 .owner = THIS_MODULE, 181 .owner = THIS_MODULE,
183 .llseek = no_llseek, 182 .llseek = no_llseek,
184 .write = watchdog_write, 183 .write = watchdog_write,
185 .ioctl = watchdog_ioctl, 184 .unlocked_ioctl = watchdog_ioctl,
186 .open = watchdog_open, 185 .open = watchdog_open,
187 .release = watchdog_release, 186 .release = watchdog_release,
188}; 187};
@@ -204,11 +203,13 @@ static int __init footbridge_watchdog_init(void)
204 if (retval < 0) 203 if (retval < 0)
205 return retval; 204 return retval;
206 205
207 printk("Footbridge Watchdog Timer: 0.01, timer margin: %d sec\n", 206 printk(KERN_INFO
208 soft_margin); 207 "Footbridge Watchdog Timer: 0.01, timer margin: %d sec\n",
208 soft_margin);
209 209
210 if (machine_is_cats()) 210 if (machine_is_cats())
211 printk("Warning: Watchdog reset may not work on this machine.\n"); 211 printk(KERN_WARN
212 "Warning: Watchdog reset may not work on this machine.\n");
212 return 0; 213 return 0;
213} 214}
214 215
@@ -223,7 +224,7 @@ MODULE_LICENSE("GPL");
223MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); 224MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
224 225
225module_param(soft_margin, int, 0); 226module_param(soft_margin, int, 0);
226MODULE_PARM_DESC(soft_margin,"Watchdog timeout in seconds"); 227MODULE_PARM_DESC(soft_margin, "Watchdog timeout in seconds");
227 228
228module_init(footbridge_watchdog_init); 229module_init(footbridge_watchdog_init);
229module_exit(footbridge_watchdog_exit); 230module_exit(footbridge_watchdog_exit);