linux-kernel - [PATCH] driver: ip27-rtc - convert ioctl to unlocked

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Date:	Sat, 19 Jan 2008 18:07:37 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Jiri Slaby <jirislaby@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] driver: ip27-rtc - convert ioctl to unlocked_ioctl v2

This patch does 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@...il.com>
Acked-by: Jiri Slaby <jirislaby@...il.com>

---

 drivers/char/ip27-rtc.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/char/ip27-rtc.c b/drivers/char/ip27-rtc.c
index 932264a..86e6538 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,
 };
--
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