#include <linux/errno.h>
#include <linux/init.h>
#include <linux/miscdevice.h>
-#include <linux/smp_lock.h>
#include <linux/watchdog.h>
#include <linux/of.h>
#include <linux/of_device.h>
-
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
/* RIO uses the NatSemi Super I/O power management logical device
static int riowd_open(struct inode *inode, struct file *filp)
{
- cycle_kernel_lock();
nonseekable_open(inode, filp);
return 0;
}
return 0;
}
-static int riowd_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long riowd_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
static struct watchdog_info info = {
.options = WDIOF_SETTIMEOUT,
return 0;
}
-static ssize_t riowd_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
+static ssize_t riowd_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
{
struct riowd *p = riowd_device;
}
static const struct file_operations riowd_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .ioctl = riowd_ioctl,
- .open = riowd_open,
- .write = riowd_write,
- .release = riowd_release,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .unlocked_ioctl = riowd_ioctl,
+ .open = riowd_open,
+ .write = riowd_write,
+ .release = riowd_release,
};
static struct miscdevice riowd_miscdev = {
printk(KERN_ERR PFX "Cannot map registers.\n");
goto out_free;
}
+ /* Make miscdev useable right away */
+ riowd_device = p;
err = misc_register(&riowd_miscdev);
if (err) {
"regs at %p\n", riowd_timeout, p->regs);
dev_set_drvdata(&op->dev, p);
- riowd_device = p;
- err = 0;
+ return 0;
out_iounmap:
+ riowd_device = NULL;
of_iounmap(&op->resource[0], p->regs, 2);
out_free: