This driver does not work for bits_per_word greater than 16. Set bits_per_word_mask so spi core will reject transfers that attempt to use an unsupported bits_per_word value.
Signed-off-by: Axel Lin <[email protected]> --- drivers/spi/spi-altera.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c index 1928b83..f83f626 100644 --- a/drivers/spi/spi-altera.c +++ b/drivers/spi/spi-altera.c @@ -213,6 +213,7 @@ static int altera_spi_probe(struct platform_device *pdev) master->bus_num = pdev->id; master->num_chipselect = 16; master->mode_bits = SPI_CS_HIGH; + master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 16); hw = spi_master_get_devdata(master); platform_set_drvdata(pdev, hw); -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
