diff --git a/drivers/watchdog/sbc_epx_c3.c b/drivers/watchdog/sbc_epx_c3.c
index 82cbd8809a69b0cc863752f43f8fad58a3164bcf..70ff9cbc8e9b4a2aa754b47a3b984c5fc33dbc4b 100644
--- a/drivers/watchdog/sbc_epx_c3.c
+++ b/drivers/watchdog/sbc_epx_c3.c
@@ -25,8 +25,8 @@
 #include <linux/reboot.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
 
 #define PFX "epx_c3: "
 static int epx_c3_alive;
@@ -100,12 +100,12 @@ static ssize_t epx_c3_write(struct file *file, const char __user *data,
 	return len;
 }
 
-static int epx_c3_ioctl(struct inode *inode, struct file *file,
-			unsigned int cmd, unsigned long arg)
+static long epx_c3_ioctl(struct file *file, unsigned int cmd,
+						unsigned long arg)
 {
 	int options, retval = -EINVAL;
 	int __user *argp = (void __user *)arg;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options		= WDIOF_KEEPALIVEPING |
 					  WDIOF_MAGICCLOSE,
 		.firmware_version	= 0,
@@ -158,7 +158,7 @@ static const struct file_operations epx_c3_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,
 	.write		= epx_c3_write,
-	.ioctl		= epx_c3_ioctl,
+	.unlocked_ioctl	= epx_c3_ioctl,
 	.open		= epx_c3_open,
 	.release	= epx_c3_release,
 };