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Diffstat (limited to 'drivers/mtd/devices')
-rw-r--r--drivers/mtd/devices/block2mtd.c5
-rw-r--r--drivers/mtd/devices/doc2000.c4
-rw-r--r--drivers/mtd/devices/doc2001.c1
-rw-r--r--drivers/mtd/devices/doc2001plus.c1
-rw-r--r--drivers/mtd/devices/lart.c2
-rw-r--r--drivers/mtd/devices/m25p80.c7
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c4
-rw-r--r--drivers/mtd/devices/phram.c2
-rw-r--r--drivers/mtd/devices/spear_smi.c10
-rw-r--r--drivers/mtd/devices/sst25l.c3
10 files changed, 0 insertions, 39 deletions
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 4c2f84c2a7c7..ba2d74b01c7e 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -104,9 +104,6 @@ static int block2mtd_read(struct mtd_info *mtd, loff_t from, size_t len,
int offset = from & (PAGE_SIZE-1);
int cpylen;
- if (retlen)
- *retlen = 0;
-
while (len) {
if ((offset + len) > PAGE_SIZE)
cpylen = PAGE_SIZE - offset; // multiple pages
@@ -143,8 +140,6 @@ static int _block2mtd_write(struct block2mtd_dev *dev, const u_char *buf,
int offset = to & ~PAGE_MASK; // page offset
int cpylen;
- if (retlen)
- *retlen = 0;
while (len) {
if ((offset+len) > PAGE_SIZE)
cpylen = PAGE_SIZE - offset; // multiple pages
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
index ee4ee0b8440d..7ad7b054800c 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -603,8 +603,6 @@ static int doc_read(struct mtd_info *mtd, loff_t from, size_t len,
size_t left = len;
mutex_lock(&this->lock);
-
- *retlen = 0;
while (left) {
len = left;
@@ -745,8 +743,6 @@ static int doc_write(struct mtd_info *mtd, loff_t to, size_t len,
int status;
mutex_lock(&this->lock);
-
- *retlen = 0;
while (left) {
len = left;
diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c
index 17844155a685..7bff54e62cd5 100644
--- a/drivers/mtd/devices/doc2001.c
+++ b/drivers/mtd/devices/doc2001.c
@@ -591,7 +591,6 @@ static int doc_write (struct mtd_info *mtd, loff_t to, size_t len,
printk("Error programming flash\n");
/* Error in programming
FIXME: implement Bad Block Replacement (in nftl.c ??) */
- *retlen = 0;
ret = -EIO;
}
dummy = ReadDOC(docptr, LastDataRead);
diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c
index a472bab7ef2b..4a03d869ad03 100644
--- a/drivers/mtd/devices/doc2001plus.c
+++ b/drivers/mtd/devices/doc2001plus.c
@@ -792,7 +792,6 @@ static int doc_write(struct mtd_info *mtd, loff_t to, size_t len,
printk("MTD: Error 0x%x programming at 0x%x\n", dummy, (int)to);
/* Error in programming
FIXME: implement Bad Block Replacement (in nftl.c ??) */
- *retlen = 0;
ret = -EIO;
}
dummy = ReadDOC(docptr, Mplus_LastDataRead);
diff --git a/drivers/mtd/devices/lart.c b/drivers/mtd/devices/lart.c
index c9ae60112a90..6fb8dba76959 100644
--- a/drivers/mtd/devices/lart.c
+++ b/drivers/mtd/devices/lart.c
@@ -518,8 +518,6 @@ static int flash_write (struct mtd_info *mtd,loff_t to,size_t len,size_t *retlen
printk (KERN_DEBUG "%s(to = 0x%.8x, len = %d)\n", __func__, (__u32)to, len);
#endif
- *retlen = 0;
-
/* sanity checks */
if (!len) return (0);
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 0955a8f4fd25..45cc4a1ae5b0 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -365,9 +365,6 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len,
t[1].len = len;
spi_message_add_tail(&t[1], &m);
- /* Byte count starts at zero. */
- *retlen = 0;
-
mutex_lock(&flash->lock);
/* Wait till previous write/erase is done. */
@@ -411,8 +408,6 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len,
pr_debug("%s: %s to 0x%08x, len %zd\n", dev_name(&flash->spi->dev),
__func__, (u32)to, len);
- *retlen = 0;
-
/* sanity checks */
if (!len)
return(0);
@@ -500,8 +495,6 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,
pr_debug("%s: %s to 0x%08x, len %zd\n", dev_name(&flash->spi->dev),
__func__, (u32)to, len);
- *retlen = 0;
-
/* sanity checks */
if (!len)
return 0;
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index fc5c78171844..c76b4464e8b9 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -249,8 +249,6 @@ static int dataflash_read(struct mtd_info *mtd, loff_t from, size_t len,
pr_debug("%s: read 0x%x..0x%x\n", dev_name(&priv->spi->dev),
(unsigned)from, (unsigned)(from + len));
- *retlen = 0;
-
/* Sanity checks */
if (!len)
return 0;
@@ -323,8 +321,6 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
pr_debug("%s: write 0x%x..0x%x\n",
dev_name(&spi->dev), (unsigned)to, (unsigned)(to + len));
- *retlen = 0;
-
/* Sanity checks */
if (!len)
return 0;
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index d0e8dc69fe1c..d3474a48d097 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -85,8 +85,6 @@ static int phram_write(struct mtd_info *mtd, loff_t to, size_t len,
return 0;
}
-
-
static void unregister_devices(void)
{
struct phram_mtd_list *this, *safe;
diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c
index 2238ab916a06..2cdbcc65b39f 100644
--- a/drivers/mtd/devices/spear_smi.c
+++ b/drivers/mtd/devices/spear_smi.c
@@ -574,11 +574,6 @@ static int spear_mtd_read(struct mtd_info *mtd, loff_t from, size_t len,
return -EINVAL;
}
- if (!retlen)
- return -EINVAL;
- else
- *retlen = 0;
-
/* select address as per bank number */
src = flash->base_addr + from;
@@ -675,11 +670,6 @@ static int spear_mtd_write(struct mtd_info *mtd, loff_t to, size_t len,
return -EINVAL;
}
- if (!retlen)
- return -EINVAL;
- else
- *retlen = 0;
-
/* select address as per bank number */
dest = flash->base_addr + to;
mutex_lock(&flash->lock);
diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c
index 99d4a3c510d7..5c2613c99e4a 100644
--- a/drivers/mtd/devices/sst25l.c
+++ b/drivers/mtd/devices/sst25l.c
@@ -224,9 +224,6 @@ static int sst25l_read(struct mtd_info *mtd, loff_t from, size_t len,
if (len == 0)
return 0;
- if (retlen)
- *retlen = 0;
-
spi_message_init(&message);
memset(&transfer, 0, sizeof(transfer));