spi: pxa2xx: shift clk_div in one place

This patch refactors ssp_get_clk_div() and pxa2xx_ssp_get_clk_div() to align
clk_div calculations, i.e. ssp_get_clk_div() and quark_x1000_set_clk_regvals()
will return plain clk_div and it will be shifted to proper position in
pxa2xx_ssp_get_clk_div().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 74342d1..6d64734 100644 (file)
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -726,23 +726,23 @@ static unsigned int ssp_get_clk_div(struct driver_data *drv_data, int rate)
        rate = min_t(int, ssp_clk, rate);
 
        if (ssp->type == PXA25x_SSP || ssp->type == CE4100_SSP)
-               return ((ssp_clk / (2 * rate) - 1) & 0xff) << 8;
+               return (ssp_clk / (2 * rate) - 1) & 0xff;
        else
-               return ((ssp_clk / rate - 1) & 0xfff) << 8;
+               return (ssp_clk / rate - 1) & 0xfff;
 }
 
 static unsigned int pxa2xx_ssp_get_clk_div(struct driver_data *drv_data,
                                           struct chip_data *chip, int rate)
 {
-       u32 clk_div;
+       unsigned int clk_div;
 
        switch (drv_data->ssp_type) {
        case QUARK_X1000_SSP:
                quark_x1000_set_clk_regvals(rate, &chip->dds_rate, &clk_div);
-               return clk_div << 8;
        default:
-               return ssp_get_clk_div(drv_data, rate);
+               clk_div = ssp_get_clk_div(drv_data, rate);
        }
+       return clk_div << 8;
 }
 
 static void pump_transfers(unsigned long data)