summaryrefslogtreecommitdiffstats
path: root/drivers/spi/spi-txx9.c
diff options
context:
space:
mode:
authorSage Weil <sage@inktank.com>2013-08-15 11:11:45 -0700
committerSage Weil <sage@inktank.com>2013-08-15 11:11:45 -0700
commitee3e542fec6e69bc9fb668698889a37d93950ddf (patch)
treee74ee766a4764769ef1d3d45d266b4dea64101d3 /drivers/spi/spi-txx9.c
parentfe2a801b50c0bb8039d627e5ae1fec249d10ff39 (diff)
parentf1d6e17f540af37bb1891480143669ba7636c4cf (diff)
Merge remote-tracking branch 'linus/master' into testing
Diffstat (limited to 'drivers/spi/spi-txx9.c')
-rw-r--r--drivers/spi/spi-txx9.c10
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);