diff options
Diffstat (limited to 'drivers/mtd/nand/r852.c')
| -rw-r--r-- | drivers/mtd/nand/r852.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c index 325930db3f0..baea83f4dea 100644 --- a/drivers/mtd/nand/r852.c +++ b/drivers/mtd/nand/r852.c @@ -245,7 +245,7 @@ static void r852_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) } /* write DWORD chinks - faster */ - while (len) { + while (len >= 4) { reg = buf[0] | buf[1] << 8 | buf[2] << 16 | buf[3] << 24; r852_write_reg_dword(dev, R852_DATALINE, reg); buf += 4; @@ -254,8 +254,10 @@ static void r852_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) } /* write rest */ - while (len) + while (len > 0) { r852_write_reg(dev, R852_DATALINE, *buf++); + len--; + } } /* |