diff options
| -rw-r--r-- | drivers/spi/spi-fsl-espi.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index 2af7463aea8d..7b2f997b061f 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -283,8 +283,7 @@ static int fsl_espi_do_trans(struct spi_message *m, struct spi_transfer *trans) fsl_espi_setup_transfer(spi, trans); - if (trans->len) - ret = fsl_espi_bufs(spi, trans); + ret = fsl_espi_bufs(spi, trans); if (trans->delay_usecs) udelay(trans->delay_usecs); @@ -313,7 +312,7 @@ static int fsl_espi_do_one_msg(struct spi_master *master, struct spi_message *m) { struct mpc8xxx_spi *mspi = spi_master_get_devdata(m->spi->master); - unsigned int delay_usecs = 0, xfer_len = 0; + unsigned int delay_usecs = 0; struct spi_transfer *t, trans = {}; int ret; @@ -322,8 +321,6 @@ static int fsl_espi_do_one_msg(struct spi_master *master, goto out; list_for_each_entry(t, &m->transfers, transfer_list) { - if ((t->tx_buf) || (t->rx_buf)) - xfer_len += t->len; if (t->delay_usecs > delay_usecs) delay_usecs = t->delay_usecs; } @@ -331,14 +328,15 @@ static int fsl_espi_do_one_msg(struct spi_master *master, t = list_first_entry(&m->transfers, struct spi_transfer, transfer_list); - trans.len = xfer_len; + trans.len = m->frame_length; trans.speed_hz = t->speed_hz; trans.bits_per_word = t->bits_per_word; trans.delay_usecs = delay_usecs; trans.tx_buf = mspi->local_buf; trans.rx_buf = mspi->local_buf; - ret = fsl_espi_trans(m, &trans); + if (trans.len) + ret = fsl_espi_trans(m, &trans); m->actual_length = ret ? 0 : trans.len; out: |