diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-dw.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 0febb97..0e0c48b 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -416,12 +416,11 @@ static void pump_transfers(unsigned long data) if (transfer->speed_hz) { speed = chip->speed_hz; - if ((transfer->speed_hz != speed) || (!chip->clk_div)) { + if ((transfer->speed_hz != speed) || !chip->clk_div) { speed = transfer->speed_hz; /* clk_div doesn't support odd number */ - clk_div = dws->max_freq / speed; - clk_div = (clk_div + 1) & 0xfffe; + clk_div = (dws->max_freq / speed + 1) & 0xfffe; chip->speed_hz = speed; chip->clk_div = clk_div; @@ -480,7 +479,7 @@ static void pump_transfers(unsigned long data) if (dw_readw(dws, DW_SPI_CTRL0) != cr0) dw_writew(dws, DW_SPI_CTRL0, cr0); - spi_set_clk(dws, clk_div ? clk_div : chip->clk_div); + spi_set_clk(dws, chip->clk_div); spi_chip_sel(dws, spi, 1); /* Set the interrupt mask, for poll mode just disable all int */ |
