[PATCH] sem2mutex: drivers/mtd/

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 27 insertions, 26 deletions

diff --git a/drivers/mtd/devices/blkmtd.c b/drivers/mtd/devices/blkmtd.c
index 04f864d238d..d732532635a 100644
--- a/drivers/mtd/devices/blkmtd.c
+++ b/drivers/mtd/devices/blkmtd.c
@@ -29,7 +29,7 @@
 #include <linux/list.h>
 #include <linux/init.h>
 #include <linux/mtd/mtd.h>
-
+#include <linux/mutex.h>
 
 #define err(format, arg...) printk(KERN_ERR "blkmtd: " format "\n" , ## arg)
 #define info(format, arg...) printk(KERN_INFO "blkmtd: " format "\n" , ## arg)
@@ -46,7 +46,7 @@ struct blkmtd_dev {
 	struct list_head list;
 	struct block_device *blkdev;
 	struct mtd_info mtd_info;
-	struct semaphore wrbuf_mutex;
+	struct mutex wrbuf_mutex;
 };
 
 
@@ -268,7 +268,7 @@ static int write_pages(struct blkmtd_dev *dev, const u_char *buf, loff_t to,
 	if(end_len)
 		pagecnt++;
 
-	down(&dev->wrbuf_mutex);
+	mutex_lock(&dev->wrbuf_mutex);
 
 	DEBUG(3, "blkmtd: write: start_len = %zd len = %zd end_len = %zd pagecnt = %d\n",
 	      start_len, len, end_len, pagecnt);
@@ -376,7 +376,7 @@ static int write_pages(struct blkmtd_dev *dev, const u_char *buf, loff_t to,
 		blkmtd_write_out(bio);
 
 	DEBUG(2, "blkmtd: write: end, retlen = %zd, err = %d\n", *retlen, err);
-	up(&dev->wrbuf_mutex);
+	mutex_unlock(&dev->wrbuf_mutex);
 
 	if(retlen)
 		*retlen = thislen;
@@ -659,7 +659,7 @@ static struct blkmtd_dev *add_device(char *devname, int readonly, int erase_size
 	memset(dev, 0, sizeof(struct blkmtd_dev));
 	dev->blkdev = bdev;
 	if(!readonly) {
-		init_MUTEX(&dev->wrbuf_mutex);
+		mutex_init(&dev->wrbuf_mutex);
 	}
 
 	dev->mtd_info.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 7ff403b2a0a..4160b8334c5 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -18,6 +18,7 @@
 #include <linux/init.h>
 #include <linux/mtd/mtd.h>
 #include <linux/buffer_head.h>
+#include <linux/mutex.h>
 
 #define VERSION "$Revision: 1.30 $"
 
@@ -31,7 +32,7 @@ struct block2mtd_dev {
 	struct list_head list;
 	struct block_device *blkdev;
 	struct mtd_info mtd;
-	struct semaphore write_mutex;
+	struct mutex write_mutex;
 };
 
 
@@ -134,9 +135,9 @@ static int block2mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
 	int err;
 
 	instr->state = MTD_ERASING;
-	down(&dev->write_mutex);
+	mutex_lock(&dev->write_mutex);
 	err = _block2mtd_erase(dev, from, len);
-	up(&dev->write_mutex);
+	mutex_unlock(&dev->write_mutex);
 	if (err) {
 		ERROR("erase failed err = %d", err);
 		instr->state = MTD_ERASE_FAILED;
@@ -249,9 +250,9 @@ static int block2mtd_write(struct mtd_info *mtd, loff_t to, size_t len,
 	if (to + len > mtd->size)
 		len = mtd->size - to;
 
-	down(&dev->write_mutex);
+	mutex_lock(&dev->write_mutex);
 	err = _block2mtd_write(dev, buf, to, len, retlen);
-	up(&dev->write_mutex);
+	mutex_unlock(&dev->write_mutex);
 	if (err > 0)
 		err = 0;
 	return err;
@@ -310,7 +311,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
 		goto devinit_err;
 	}
 
-	init_MUTEX(&dev->write_mutex);
+	mutex_init(&dev->write_mutex);
 
 	/* Setup the MTD structure */
 	/* make the name contain the block device in */
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
index 0f2c956a90d..23e7a5c7d2c 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -606,7 +606,7 @@ static void DoC2k_init(struct mtd_info *mtd)
 
 	this->curfloor = -1;
 	this->curchip = -1;
-	init_MUTEX(&this->lock);
+	mutex_init(&this->lock);
 
 	/* Ident all the chips present. */
 	DoC_ScanChips(this, maxchips);
@@ -646,7 +646,7 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
 	if (from >= this->totlen)
 		return -EINVAL;
 
-	down(&this->lock);
+	mutex_lock(&this->lock);
 
 	*retlen = 0;
 	while (left) {
@@ -775,7 +775,7 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
 		buf += len;
 	}
 
-	up(&this->lock);
+	mutex_unlock(&this->lock);
 
 	return ret;
 }
@@ -804,7 +804,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
 	if (to >= this->totlen)
 		return -EINVAL;
 
-	down(&this->lock);
+	mutex_lock(&this->lock);
 
 	*retlen = 0;
 	while (left) {
@@ -874,7 +874,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
 				printk(KERN_ERR "Error programming flash\n");
 				/* Error in programming */
 				*retlen = 0;
-				up(&this->lock);
+				mutex_unlock(&this->lock);
 				return -EIO;
 			}
 
@@ -936,7 +936,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
 			printk(KERN_ERR "Error programming flash\n");
 			/* Error in programming */
 			*retlen = 0;
-			up(&this->lock);
+			mutex_unlock(&this->lock);
 			return -EIO;
 		}
 
@@ -957,7 +957,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
 
 			ret = doc_write_oob_nolock(mtd, to, 8, &dummy, x);
 			if (ret) {
-				up(&this->lock);
+				mutex_unlock(&this->lock);
 				return ret;
 			}
 		}
@@ -967,7 +967,7 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
 		buf += len;
 	}
 
-	up(&this->lock);
+	mutex_unlock(&this->lock);
 	return 0;
 }
 
@@ -1038,7 +1038,7 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
 	int len256 = 0, ret;
 	struct Nand *mychip;
 
-	down(&this->lock);
+	mutex_lock(&this->lock);
 
 	mychip = &this->chips[ofs >> this->chipshift];
 
@@ -1084,7 +1084,7 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
 
 	ret = DoC_WaitReady(this);
 
-	up(&this->lock);
+	mutex_unlock(&this->lock);
 	return ret;
 
 }
@@ -1198,10 +1198,10 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
  	struct DiskOnChip *this = mtd->priv;
  	int ret;
 
- 	down(&this->lock);
+ 	mutex_lock(&this->lock);
  	ret = doc_write_oob_nolock(mtd, ofs, len, retlen, buf);
 
- 	up(&this->lock);
+ 	mutex_unlock(&this->lock);
  	return ret;
 }
 
@@ -1215,10 +1215,10 @@ static int doc_erase(struct mtd_info *mtd, struct erase_info *instr)
 	struct Nand *mychip;
 	int status;
 
- 	down(&this->lock);
+ 	mutex_lock(&this->lock);
 
 	if (ofs & (mtd->erasesize-1) || len & (mtd->erasesize-1)) {
-		up(&this->lock);
+		mutex_unlock(&this->lock);
 		return -EINVAL;
 	}
 
@@ -1266,7 +1266,7 @@ static int doc_erase(struct mtd_info *mtd, struct erase_info *instr)
  callback:
 	mtd_erase_callback(instr);
 
-	up(&this->lock);
+	mutex_unlock(&this->lock);
 	return 0;
 }