diff options
Diffstat (limited to 'drivers/spi/spi-txx9.c')
| -rw-r--r-- | drivers/spi/spi-txx9.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/spi/spi-txx9.c b/drivers/spi/spi-txx9.c index adb85304792..e9b7681ff6a 100644 --- a/drivers/spi/spi-txx9.c +++ b/drivers/spi/spi-txx9.c @@ -116,17 +116,12 @@ static void txx9spi_cs_func(struct spi_device *spi, struct txx9spi *c, static int txx9spi_setup(struct spi_device *spi) { struct txx9spi *c = spi_master_get_devdata(spi->master); - u8 bits_per_word; if (!spi->max_speed_hz || spi->max_speed_hz > c->max_speed_hz || spi->max_speed_hz < c->min_speed_hz) return -EINVAL; - bits_per_word = spi->bits_per_word; - if (bits_per_word != 8 && bits_per_word != 16) - return -EINVAL; - if (gpio_direction_output(spi->chip_select, !(spi->mode & SPI_CS_HIGH))) { dev_err(&spi->dev, "Cannot setup GPIO for chipselect.\n"); @@ -319,8 +314,6 @@ static int txx9spi_transfer(struct spi_device *spi, struct spi_message *m) if (!t->tx_buf && !t->rx_buf && t->len) return -EINVAL; - if (bits_per_word != 8 && bits_per_word != 16) - return -EINVAL; if (t->len & ((bits_per_word >> 3) - 1)) return -EINVAL; if (speed_hz < c->min_speed_hz || speed_hz > c->max_speed_hz) @@ -411,6 +404,7 @@ static int txx9spi_probe(struct platform_device *dev) master->setup = txx9spi_setup; master->transfer = txx9spi_transfer; master->num_chipselect = (u16)UINT_MAX; /* any GPIO numbers */ + master->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16); ret = spi_register_master(master); if (ret) @@ -425,7 +419,6 @@ exit: clk_disable(c->clk); clk_put(c->clk); } - platform_set_drvdata(dev, NULL); spi_master_put(master); return ret; } @@ -436,7 +429,6 @@ static int txx9spi_remove(struct platform_device *dev) struct txx9spi *c = spi_master_get_devdata(master); spi_unregister_master(master); - platform_set_drvdata(dev, NULL); destroy_workqueue(c->workqueue); clk_disable(c->clk); clk_put(c->clk); |