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authorAlan Cox <alan@redhat.com>2008-05-19 14:07:09 +0100
committerWim Van Sebroeck <wim@iguana.be>2008-06-13 19:44:39 +0000
commitf26ef3dc69467e135e2b9555e44a088aee5c7d8f (patch)
tree629c9d74f539875d5f18e8d0536199dfd7a25ebc /drivers/watchdog/mpc83xx_wdt.c
parent3930964532f8e454910cbe0d9909e98a02d9f552 (diff)
downloadlwn-f26ef3dc69467e135e2b9555e44a088aee5c7d8f.tar.gz
lwn-f26ef3dc69467e135e2b9555e44a088aee5c7d8f.zip
[WATCHDOG 26/57] mpc watchdog: clean up and locking
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/mpc83xx_wdt.c')
-rw-r--r--drivers/watchdog/mpc83xx_wdt.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/watchdog/mpc83xx_wdt.c b/drivers/watchdog/mpc83xx_wdt.c
index b16c5cd972eb..109eea0df2d0 100644
--- a/drivers/watchdog/mpc83xx_wdt.c
+++ b/drivers/watchdog/mpc83xx_wdt.c
@@ -22,8 +22,8 @@
#include <linux/platform_device.h>
#include <linux/module.h>
#include <linux/watchdog.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
struct mpc83xx_wdt {
__be32 res0;
@@ -42,11 +42,13 @@ static struct mpc83xx_wdt __iomem *wd_base;
static u16 timeout = 0xffff;
module_param(timeout, ushort, 0);
-MODULE_PARM_DESC(timeout, "Watchdog timeout in ticks. (0<timeout<65536, default=65535");
+MODULE_PARM_DESC(timeout,
+ "Watchdog timeout in ticks. (0<timeout<65536, default=65535");
static int reset = 1;
module_param(reset, bool, 0);
-MODULE_PARM_DESC(reset, "Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset");
+MODULE_PARM_DESC(reset,
+ "Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset");
/*
* We always prescale, but if someone really doesn't want to they can set this
@@ -105,8 +107,8 @@ static int mpc83xx_wdt_release(struct inode *inode, struct file *file)
return 0;
}
-static int mpc83xx_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long mpc83xx_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
@@ -136,7 +138,7 @@ static const struct file_operations mpc83xx_wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = mpc83xx_wdt_write,
- .ioctl = mpc83xx_wdt_ioctl,
+ .unlocked_ioctl = mpc83xx_wdt_ioctl,
.open = mpc83xx_wdt_open,
.release = mpc83xx_wdt_release,
};
@@ -161,8 +163,7 @@ static int __devinit mpc83xx_wdt_probe(struct platform_device *dev)
goto err_out;
}
- wd_base = ioremap(r->start, sizeof (struct mpc83xx_wdt));
-
+ wd_base = ioremap(r->start, sizeof(struct mpc83xx_wdt));
if (wd_base == NULL) {
ret = -ENOMEM;
goto err_out;