diff options
| -rw-r--r-- | drivers/spi/spi-xilinx.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c index 6d4ce4615163..4eb1ed9ab6da 100644 --- a/drivers/spi/spi-xilinx.c +++ b/drivers/spi/spi-xilinx.c @@ -209,26 +209,11 @@ static void xilinx_spi_chipselect(struct spi_device *spi, int is_on) } /* spi_bitbang requires custom setup_transfer() to be defined if there is a - * custom txrx_bufs(). We have nothing to setup here as the SPI IP block - * supports 8 or 16 bits per word which cannot be changed in software. - * SPI clock can't be changed in software either. - * Check for correct bits per word. Chip select delay calculations could be - * added here as soon as bitbang_work() can be made aware of the delay value. + * custom txrx_bufs(). */ static int xilinx_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t) { - struct xilinx_spi *xspi = spi_master_get_devdata(spi->master); - u8 bits_per_word; - - bits_per_word = (t && t->bits_per_word) - ? t->bits_per_word : spi->bits_per_word; - if (bits_per_word != xspi->bits_per_word) { - dev_err(&spi->dev, "%s, unsupported bits_per_word=%d\n", - __func__, bits_per_word); - return -EINVAL; - } - return 0; } @@ -407,6 +392,7 @@ static int xilinx_spi_probe(struct platform_device *pdev) xspi->write_fn = xspi_write32_be; } + master->bits_per_word_mask = SPI_BPW_MASK(bits_per_word); xspi->bits_per_word = bits_per_word; if (xspi->bits_per_word == 8) { xspi->tx_fn = xspi_tx8; |