*/
#define __KERNEL_SYSCALLS__
+static int errno;
#include <linux/config.h>
#include <linux/module.h>
#include <asm/uaccess.h>
#include <asm/envctrl.h>
-static int errno;
-#include <asm/unistd.h>
-
#define ENVCTRL_MINOR 162
#define PCF8584_ADDRESS 0x55
/* Function Description: Command what to read. Mapped to user ioctl().
* Return: Gives 0 for implemented commands, -EINVAL otherwise.
*/
-static int
-envctrl_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long
+envctrl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
char __user *infobuf;
}
static struct file_operations envctrl_fops = {
- .owner = THIS_MODULE,
- .read = envctrl_read,
- .ioctl = envctrl_ioctl,
- .open = envctrl_open,
- .release = envctrl_release,
+ .owner = THIS_MODULE,
+ .read = envctrl_read,
+ .unlocked_ioctl = envctrl_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = envctrl_ioctl,
+#endif
+ .open = envctrl_open,
+ .release = envctrl_release,
};
static struct miscdevice envctrl_dev = {
misc_deregister(&envctrl_dev);
out_iounmap:
iounmap(i2c);
- for (i = 0; i < ENVCTRL_MAX_CPU * 2; i++) {
- if (i2c_childlist[i].tables)
- kfree(i2c_childlist[i].tables);
- }
+ for (i = 0; i < ENVCTRL_MAX_CPU * 2; i++)
+ kfree(i2c_childlist[i].tables);
+
return err;
}
iounmap(i2c);
misc_deregister(&envctrl_dev);
- for (i = 0; i < ENVCTRL_MAX_CPU * 2; i++) {
- if (i2c_childlist[i].tables)
- kfree(i2c_childlist[i].tables);
- }
+ for (i = 0; i < ENVCTRL_MAX_CPU * 2; i++)
+ kfree(i2c_childlist[i].tables);
}
module_init(envctrl_init);