diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/designware_spi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/designware_spi.c b/drivers/spi/designware_spi.c index 98c9f03..0210667 100644 --- a/drivers/spi/designware_spi.c +++ b/drivers/spi/designware_spi.c @@ -164,13 +164,13 @@ static void spi_hw_init(struct dw_spi_priv *priv) if (!priv->fifo_len) { u32 fifo; - for (fifo = 2; fifo <= 257; fifo++) { + for (fifo = 2; fifo <= 256; fifo++) { dw_writew(priv, DW_SPI_TXFLTR, fifo); if (fifo != dw_readw(priv, DW_SPI_TXFLTR)) break; } - priv->fifo_len = (fifo == 257) ? 0 : fifo; + priv->fifo_len = (fifo == 2) ? 0 : fifo - 1; dw_writew(priv, DW_SPI_TXFLTR, 0); } debug("%s: fifo_len=%d\n", __func__, priv->fifo_len); |