diff options
| -rw-r--r-- | drivers/mtd/devices/st_spi_fsm.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c index b1a65c1359d5..58b8761dc30e 100644 --- a/drivers/mtd/devices/st_spi_fsm.c +++ b/drivers/mtd/devices/st_spi_fsm.c @@ -668,6 +668,20 @@ static void stfsm_read_fifo(struct stfsm *fsm, uint32_t *buf, } } +static int stfsm_write_fifo(struct stfsm *fsm, + const uint32_t *buf, const uint32_t size) +{ + uint32_t words = size >> 2; + + dev_dbg(fsm->dev, "writing %d bytes to FIFO\n", size); + + BUG_ON((((uint32_t)buf) & 0x3) || (size & 0x3)); + + writesl(fsm->base + SPI_FAST_SEQ_DATA_REG, buf, words); + + return size; +} + static int stfsm_enter_32bit_addr(struct stfsm *fsm, int enter) { struct stfsm_seq *seq = &stfsm_seq_en_32bit_addr; |