rockchip: spi: Correct the bus init code

Two of the init values are created locally so cannot be out of range.
The masking is unnecessary and in one case is incorrect. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/spi/rk_spi.c b/drivers/spi/rk_spi.c
index aaf139d823ede144673001005a2429eb6eb5da05..3418f9b0805179a951ce52cdef40027f8d2ac8cf 100644 (file)
--- a/drivers/spi/rk_spi.c
+++ b/drivers/spi/rk_spi.c
@@ -221,7 +221,7 @@ static int rockchip_spi_claim_bus(struct udevice *dev)
        ctrlr0 = OMOD_MASTER << OMOD_SHIFT;
 
        /* Data Frame Size */
-       ctrlr0 |= spi_dfs & DFS_MASK << DFS_SHIFT;
+       ctrlr0 |= spi_dfs << DFS_SHIFT;
 
        /* set SPI mode 0..3 */
        if (priv->mode & SPI_CPOL)
@@ -242,7 +242,7 @@ static int rockchip_spi_claim_bus(struct udevice *dev)
        ctrlr0 |= FBM_MSB << FBM_SHIFT;
 
        /* Byte and Halfword Transform */
-       ctrlr0 |= (spi_tf & HALF_WORD_MASK) << HALF_WORD_TX_SHIFT;
+       ctrlr0 |= spi_tf << HALF_WORD_TX_SHIFT;
 
        /* Rxd Sample Delay */
        ctrlr0 |= 0 << RXDSD_SHIFT;