diff options
| -rw-r--r-- | drivers/spi/spi-ep93xx.c | 43 |
1 files changed, 10 insertions, 33 deletions
diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c index cad30b8a1d71..11e2b999cce2 100644 --- a/drivers/spi/spi-ep93xx.c +++ b/drivers/spi/spi-ep93xx.c @@ -708,38 +708,20 @@ static void ep93xx_spi_process_transfer(struct ep93xx_spi *espi, struct spi_transfer *t) { struct ep93xx_spi_chip *chip = spi_get_ctldata(msg->spi); + int err; msg->state = t; - /* - * Handle any transfer specific settings if needed. We use - * temporary chip settings here and restore original later when - * the transfer is finished. - */ - if (t->speed_hz || t->bits_per_word) { - struct ep93xx_spi_chip tmp_chip = *chip; - - if (t->speed_hz) { - int err; - - err = ep93xx_spi_calc_divisors(espi, &tmp_chip, - t->speed_hz); - if (err) { - dev_err(&espi->pdev->dev, - "failed to adjust speed\n"); - msg->status = err; - return; - } - } + err = ep93xx_spi_calc_divisors(espi, chip, t->speed_hz); + if (err) { + dev_err(&espi->pdev->dev, "failed to adjust speed\n"); + msg->status = err; + return; + } - if (t->bits_per_word) - tmp_chip.dss = bits_per_word_to_dss(t->bits_per_word); + chip->dss = bits_per_word_to_dss(t->bits_per_word); - /* - * Set up temporary new hw settings for this transfer. - */ - ep93xx_spi_chip_setup(espi, &tmp_chip); - } + ep93xx_spi_chip_setup(espi, chip); espi->rx = 0; espi->tx = 0; @@ -783,9 +765,6 @@ static void ep93xx_spi_process_transfer(struct ep93xx_spi *espi, ep93xx_spi_cs_control(msg->spi, true); } } - - if (t->speed_hz || t->bits_per_word) - ep93xx_spi_chip_setup(espi, chip); } /* @@ -838,10 +817,8 @@ static void ep93xx_spi_process_message(struct ep93xx_spi *espi, espi->fifo_level = 0; /* - * Update SPI controller registers according to spi device and assert - * the chipselect. + * Assert the chipselect. */ - ep93xx_spi_chip_setup(espi, spi_get_ctldata(msg->spi)); ep93xx_spi_cs_control(msg->spi, true); list_for_each_entry(t, &msg->transfers, transfer_list) { |