summaryrefslogtreecommitdiff
path: root/drivers/mtd/devices/mtd_dataflash.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/devices/mtd_dataflash.c')
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index c76b446..928fb0e 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -249,10 +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));
- /* Sanity checks */
- if (!len)
- return 0;
-
/* Calculate flash page/byte address */
addr = (((unsigned)from / priv->page_size) << priv->page_offset)
+ ((unsigned)from % priv->page_size);
@@ -321,10 +317,6 @@ 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));
- /* Sanity checks */
- if (!len)
- return 0;
-
spi_message_init(&msg);
x[0].tx_buf = command = priv->command;
@@ -479,8 +471,6 @@ static ssize_t otp_read(struct spi_device *spi, unsigned base,
if ((off + len) > 64)
len = 64 - off;
- if (len == 0)
- return len;
spi_message_init(&m);