Merge branch 'master' of git://git.denx.de/u-boot-video

[karo-tx-uboot.git] / drivers / spi / bfin_spi.c

diff --git a/drivers/spi/bfin_spi.c b/drivers/spi/bfin_spi.c
index 0fa131b21df7232d0786e2e52130bea77f0fda0f..a9a4d92c3e719b0a1f215393ac7fc22de6cae8cf 100644 (file)
--- a/drivers/spi/bfin_spi.c
+++ b/drivers/spi/bfin_spi.c
@@ -248,6 +248,8 @@ void spi_release_bus(struct spi_slave *slave)
 static int spi_pio_xfer(struct bfin_spi_slave *bss, const u8 *tx, u8 *rx,
                        uint bytes)
 {
+       /* discard invalid data and clear RXS */
+       read_SPI_RDBR(bss);
        /* todo: take advantage of hardware fifos  */
        while (bytes--) {
                u8 value = (tx ? *tx++ : CONFIG_BFIN_SPI_IDLE_VAL);