From 7b96dc023a1b487bce59256fde14b8bb28b45aea Mon Sep 17 00:00:00 2001
From: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Date: Wed, 17 Oct 2007 19:40:31 -0700
Subject: [PATCH] [SPARC] Videopix Frame Grabber: Convert device_lock_sem to
mutex
Videopix Frame Grabber: Convert the semaphore device_lock_sem to the
mutex API
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/sbus/char/vfc.h | 2 +-
drivers/sbus/char/vfc_dev.c | 5 +++--
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/sbus/char/vfc.h b/drivers/sbus/char/vfc.h
index 63941a259b92..f1aa1389ea4a 100644
--- a/drivers/sbus/char/vfc.h
+++ b/drivers/sbus/char/vfc.h
@@ -126,7 +126,7 @@ struct vfc_dev {
volatile struct vfc_regs __iomem *regs;
struct vfc_regs *phys_regs;
unsigned int control_reg;
- struct semaphore device_lock_sem;
+ struct mutex device_lock_mtx;
int instance;
int busy;
unsigned long which_io;
diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c
index 9269f7fbd363..e7a1642b2aa4 100644
--- a/drivers/sbus/char/vfc_dev.c
+++ b/drivers/sbus/char/vfc_dev.c
@@ -22,6 +22,7 @@
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
+#include <linux/mutex.h>
#include <linux/mm.h>
#include <asm/openprom.h>
@@ -54,12 +55,12 @@ static unsigned char saa9051_init_array[VFC_SAA9051_NR] = {
void vfc_lock_device(struct vfc_dev *dev)
{
- down(&dev->device_lock_sem);
+ mutex_lock(&dev->device_lock_mtx);
}
void vfc_unlock_device(struct vfc_dev *dev)
{
- up(&dev->device_lock_sem);
+ mutex_unlock(&dev->device_lock_mtx);
}
--
2.20.1