diff options
| author | Axel Lin <axel.lin@ingics.com> | 2014-02-12 22:09:52 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-02-23 12:44:49 +0900 |
| commit | 4522193698d115761f9e4f340697f86975ac8e69 (patch) | |
| tree | 67bdb7b4760bb4caf7200a0917a39644629a3d56 /drivers/spi | |
| parent | 38dbfb59d1175ef458d006556061adeaa8751b72 (diff) | |
spi: sh-hspi: Convert to let spi core validate bits_per_word
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 <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-sh-hspi.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c index 82d2f922ffa0..dbd2c44f95e9 100644 --- a/drivers/spi/spi-sh-hspi.c +++ b/drivers/spi/spi-sh-hspi.c @@ -230,21 +230,6 @@ static int hspi_transfer_one_message(struct spi_master *master, return ret; } -static int hspi_setup(struct spi_device *spi) -{ - struct hspi_priv *hspi = spi_master_get_devdata(spi->master); - struct device *dev = hspi->dev; - - if (8 != spi->bits_per_word) { - dev_err(dev, "bits_per_word should be 8\n"); - return -EIO; - } - - dev_dbg(dev, "%s setup\n", spi->modalias); - - return 0; -} - static void hspi_cleanup(struct spi_device *spi) { struct hspi_priv *hspi = spi_master_get_devdata(spi->master); @@ -300,12 +285,13 @@ static int hspi_probe(struct platform_device *pdev) master->num_chipselect = 1; master->bus_num = pdev->id; - master->setup = hspi_setup; master->cleanup = hspi_cleanup; master->mode_bits = SPI_CPOL | SPI_CPHA; master->dev.of_node = pdev->dev.of_node; master->auto_runtime_pm = true; master->transfer_one_message = hspi_transfer_one_message; + master->bits_per_word_mask = SPI_BPW_MASK(8); + ret = devm_spi_register_master(&pdev->dev, master); if (ret < 0) { dev_err(&pdev->dev, "spi_register_master error.\n"); |