SPI core validates both bits_per_word and speed_hz transfer parameters and
defaults to spi->bits_per_word and spi->max_speed_hz in case these per
transfer parameters are not set. This allows to remove two needless tests
from uwire_txrx() and uwire_setup_transfer().
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
static int uwire_txrx(struct spi_device *spi, struct spi_transfer *t)
{
unsigned len = t->len;
- unsigned bits = t->bits_per_word ? : spi->bits_per_word;
+ unsigned bits = t->bits_per_word;
unsigned bytes;
u16 val, w;
int status = 0;
/* assume it's already enabled */
rate = clk_get_rate(uwire->ck);
- hz = spi->max_speed_hz;
- if (t != NULL && t->speed_hz)
+ if (t != NULL)
hz = t->speed_hz;
+ else
+ hz = spi->max_speed_hz;
if (!hz) {
pr_debug("%s: zero speed?\n", dev_name(&spi->dev));