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Diffstat (limited to 'drivers/mtd/devices')
-rw-r--r--drivers/mtd/devices/blkmtd.c13
-rw-r--r--drivers/mtd/devices/block2mtd.c13
-rw-r--r--drivers/mtd/devices/doc2000.c37
-rw-r--r--drivers/mtd/devices/lart.c10
-rw-r--r--drivers/mtd/devices/m25p80.c2
-rw-r--r--drivers/mtd/devices/ms02-nv.c2
6 files changed, 38 insertions, 39 deletions
diff --git a/drivers/mtd/devices/blkmtd.c b/drivers/mtd/devices/blkmtd.c
index 04f864d238db..79f2e1f23ebd 100644
--- a/drivers/mtd/devices/blkmtd.c
+++ b/drivers/mtd/devices/blkmtd.c
@@ -28,8 +28,9 @@
#include <linux/pagemap.h>
#include <linux/list.h>
#include <linux/init.h>
+#include <linux/mount.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 +47,7 @@ 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 +269,7 @@ 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 +377,7 @@ 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;
@@ -614,8 +615,6 @@ static struct mtd_erase_region_info *calc_erase_regions(
}
-extern dev_t __init name_to_dev_t(const char *line);
-
static struct blkmtd_dev *add_device(char *devname, int readonly, int erase_size)
{
struct block_device *bdev;
@@ -659,7 +658,7 @@ 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 7ff403b2a0a0..4160b8334c53 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 e4345cf744a2..23e7a5c7d2c1 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -20,6 +20,7 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/bitops.h>
+#include <linux/mutex.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
@@ -605,7 +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);
@@ -645,7 +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) {
@@ -774,7 +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;
}
@@ -803,7 +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) {
@@ -873,7 +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;
}
@@ -935,7 +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;
}
@@ -956,7 +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;
}
}
@@ -966,7 +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;
}
@@ -975,13 +976,13 @@ static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
u_char *eccbuf, struct nand_oobinfo *oobsel)
{
static char static_buf[512];
- static DECLARE_MUTEX(writev_buf_sem);
+ static DEFINE_MUTEX(writev_buf_mutex);
size_t totretlen = 0;
size_t thisvecofs = 0;
int ret= 0;
- down(&writev_buf_sem);
+ mutex_lock(&writev_buf_mutex);
while(count) {
size_t thislen, thisretlen;
@@ -1024,7 +1025,7 @@ static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
to += thislen;
}
- up(&writev_buf_sem);
+ mutex_unlock(&writev_buf_mutex);
*retlen = totretlen;
return ret;
}
@@ -1037,7 +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];
@@ -1083,7 +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;
}
@@ -1197,10 +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;
}
@@ -1214,10 +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;
}
@@ -1265,7 +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;
}
diff --git a/drivers/mtd/devices/lart.c b/drivers/mtd/devices/lart.c
index 1e876fcb0408..29b0ddaa324e 100644
--- a/drivers/mtd/devices/lart.c
+++ b/drivers/mtd/devices/lart.c
@@ -581,8 +581,6 @@ static int flash_write (struct mtd_info *mtd,loff_t to,size_t len,size_t *retlen
/***************************************************************************************************/
-#define NB_OF(x) (sizeof (x) / sizeof (x[0]))
-
static struct mtd_info mtd;
static struct mtd_erase_region_info erase_regions[] = {
@@ -640,7 +638,7 @@ int __init lart_flash_init (void)
mtd.flags = MTD_CAP_NORFLASH;
mtd.size = FLASH_BLOCKSIZE_PARAM * FLASH_NUMBLOCKS_16m_PARAM + FLASH_BLOCKSIZE_MAIN * FLASH_NUMBLOCKS_16m_MAIN;
mtd.erasesize = FLASH_BLOCKSIZE_MAIN;
- mtd.numeraseregions = NB_OF (erase_regions);
+ mtd.numeraseregions = ARRAY_SIZE(erase_regions);
mtd.eraseregions = erase_regions;
mtd.erase = flash_erase;
mtd.read = flash_read;
@@ -670,9 +668,9 @@ int __init lart_flash_init (void)
result,mtd.eraseregions[result].numblocks);
#ifdef HAVE_PARTITIONS
- printk ("\npartitions = %d\n",NB_OF (lart_partitions));
+ printk ("\npartitions = %d\n", ARRAY_SIZE(lart_partitions));
- for (result = 0; result < NB_OF (lart_partitions); result++)
+ for (result = 0; result < ARRAY_SIZE(lart_partitions); result++)
printk (KERN_DEBUG
"\n\n"
"lart_partitions[%d].name = %s\n"
@@ -687,7 +685,7 @@ int __init lart_flash_init (void)
#ifndef HAVE_PARTITIONS
result = add_mtd_device (&mtd);
#else
- result = add_mtd_partitions (&mtd,lart_partitions,NB_OF (lart_partitions));
+ result = add_mtd_partitions (&mtd,lart_partitions, ARRAY_SIZE(lart_partitions));
#endif
return (result);
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index d5f24089be71..04e65d5dae00 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -186,7 +186,7 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr)
struct m25p *flash = mtd_to_m25p(mtd);
u32 addr,len;
- DEBUG(MTD_DEBUG_LEVEL2, "%s: %s %s 0x%08x, len %zd\n",
+ DEBUG(MTD_DEBUG_LEVEL2, "%s: %s %s 0x%08x, len %d\n",
flash->spi->dev.bus_id, __FUNCTION__, "at",
(u32)instr->addr, instr->len);
diff --git a/drivers/mtd/devices/ms02-nv.c b/drivers/mtd/devices/ms02-nv.c
index 0ff2e4378244..485f663493d2 100644
--- a/drivers/mtd/devices/ms02-nv.c
+++ b/drivers/mtd/devices/ms02-nv.c
@@ -308,7 +308,7 @@ static int __init ms02nv_init(void)
break;
}
- for (i = 0; i < (sizeof(ms02nv_addrs) / sizeof(*ms02nv_addrs)); i++)
+ for (i = 0; i < ARRAY_SIZE(ms02nv_addrs); i++)
if (!ms02nv_init_one(ms02nv_addrs[i] << stride))
count++;
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