From 24778be20f87d5aadb19624fc768b3159fa43efc Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Tue, 21 May 2013 20:36:35 -0600 Subject: spi: convert drivers to use bits_per_word_mask Fill in the recently added spi_master.bits_per_word_mask field in as many drivers as possible. Make related cleanups, such as removing any redundant error-checking, or empty setup callbacks. Signed-off-by: Stephen Warren Acked-by: H Hartley Sweeten Signed-off-by: Mark Brown --- drivers/spi/spi-bfin-sport.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) (limited to 'drivers/spi/spi-bfin-sport.c') diff --git a/drivers/spi/spi-bfin-sport.c b/drivers/spi/spi-bfin-sport.c index 39b0d1711b4e..e4a858ad6ef6 100644 --- a/drivers/spi/spi-bfin-sport.c +++ b/drivers/spi/spi-bfin-sport.c @@ -417,7 +417,7 @@ bfin_sport_spi_pump_transfers(unsigned long data) /* Bits per word setup */ bits_per_word = transfer->bits_per_word; - if (bits_per_word % 16 == 0) + if (bits_per_word == 16) drv_data->ops = &bfin_sport_transfer_ops_u16; else drv_data->ops = &bfin_sport_transfer_ops_u8; @@ -600,13 +600,6 @@ bfin_sport_spi_setup(struct spi_device *spi) } } - if (spi->bits_per_word % 8) { - dev_err(&spi->dev, "%d bits_per_word is not supported\n", - spi->bits_per_word); - ret = -EINVAL; - goto error; - } - /* translate common spi framework into our register * following configure contents are same for tx and rx. */ @@ -778,6 +771,7 @@ static int bfin_sport_spi_probe(struct platform_device *pdev) drv_data->pin_req = platform_info->pin_req; master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST; + master->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16); master->bus_num = pdev->id; master->num_chipselect = platform_info->num_chipselect; master->cleanup = bfin_sport_spi_cleanup; -- cgit v1.2.3