ip27-rtc: convert ioctl to unlocked_ioctl

Convert ioctl call to unlocked_ioctl form.  It is possible (in that simple
way) due to a spinlock protection.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/char/ip27-rtc.c b/drivers/char/ip27-rtc.c
index 932264a657d0..86e6538a77b0 100644
--- a/drivers/char/ip27-rtc.c
+++ b/drivers/char/ip27-rtc.c
@@ -46,8 +46,8 @@
 #include <asm/sn/sn0/hub.h>
 #include <asm/sn/sn_private.h>
 
-static int rtc_ioctl(struct inode *inode, struct file *file,
-                     unsigned int cmd, unsigned long arg);
+static long rtc_ioctl(struct file *filp, unsigned int cmd,
+                        unsigned long arg);
 
 static int rtc_read_proc(char *page, char **start, off_t off,
                          int count, int *eof, void *data);
@@ -75,8 +75,7 @@ static unsigned long epoch = 1970;	/* year corresponding to 0x00	*/
 static const unsigned char days_in_mo[] =
 {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
 
-static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-                     unsigned long arg)
+static long rtc_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 
         struct rtc_time wtime;
@@ -197,7 +196,7 @@ static int rtc_release(struct inode *inode, struct file *file)
 
 static const struct file_operations rtc_fops = {
         .owner          = THIS_MODULE,
-        .ioctl          = rtc_ioctl,
+        .unlocked_ioctl = rtc_ioctl,
         .open           = rtc_open,
         .release        = rtc_release,
 };