In the implementation of __spi_validate(), spi core will use spi device's max speed as default transfer speed if it is not set for this transfer. So we can remove the same logic in hspi_hw_setup().
Signed-off-by: Axel Lin <[email protected]> --- drivers/spi/spi-sh-hspi.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c index 3c5d3b8..7435626 100644 --- a/drivers/spi/spi-sh-hspi.c +++ b/drivers/spi/spi-sh-hspi.c @@ -113,14 +113,9 @@ static void hspi_hw_setup(struct hspi_priv *hspi, { struct spi_device *spi = msg->spi; struct device *dev = hspi->dev; - u32 target_rate; u32 spcr, idiv_clk; u32 rate, best_rate, min, tmp; - target_rate = t ? t->speed_hz : 0; - if (!target_rate) - target_rate = spi->max_speed_hz; - /* * find best IDIV/CLKCx settings */ @@ -140,7 +135,7 @@ static void hspi_hw_setup(struct hspi_priv *hspi, rate /= (((idiv_clk & 0x1F) + 1) * 2); /* save best settings */ - tmp = abs(target_rate - rate); + tmp = abs(t->speed_hz - rate); if (tmp < min) { min = tmp; spcr = idiv_clk; @@ -153,7 +148,7 @@ static void hspi_hw_setup(struct hspi_priv *hspi, if (spi->mode & SPI_CPOL) spcr |= 1 << 6; - dev_dbg(dev, "speed %d/%d\n", target_rate, best_rate); + dev_dbg(dev, "speed %d/%d\n", t->speed_hz, best_rate); hspi_write(hspi, SPCR, spcr); hspi_write(hspi, SPSR, 0x0); -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
