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>
diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c
index 82d2f92..dbd2c44 100644
--- a/drivers/spi/spi-sh-hspi.c
+++ b/drivers/spi/spi-sh-hspi.c
@@ -230,21 +230,6 @@
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 @@
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");