diff options
Diffstat (limited to 'drivers/mtd/nand/r852.c')
| -rw-r--r-- | drivers/mtd/nand/r852.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c index 9dcf02d22aa..baea83f4dea 100644 --- a/drivers/mtd/nand/r852.c +++ b/drivers/mtd/nand/r852.c @@ -181,7 +181,7 @@ static void r852_do_dma(struct r852_device *dev, uint8_t *buf, int do_read) /* Set dma direction */ dev->dma_dir = do_read; dev->dma_stage = 1; - INIT_COMPLETION(dev->dma_done); + reinit_completion(&dev->dma_done); dbg_verbose("doing dma %s ", do_read ? "read" : "write"); @@ -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--; + } } /* |