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Diffstat (limited to 'drivers/mtd/nand/r852.c')
-rw-r--r--drivers/mtd/nand/r852.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 325930db3f04..baea83f4dea8 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--;
+ }
}
/*