spi: pxa2xx: derive struct chip_data from struct drv_data
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Thu, 22 Oct 2015 13:44:40 +0000 (16:44 +0300)
committerMark Brown <broonie@kernel.org>
Thu, 22 Oct 2015 23:56:05 +0000 (08:56 +0900)
Since we call pxa2xx_ssp_get_clk_div() from pump_transfers() we may derive
pointer to struct chip_data from struct drv_data like it's done in the rest
of the functions. This will make it less errorprone.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-pxa2xx.c

index 986a291..4fddc2a 100644 (file)
@@ -814,8 +814,9 @@ static unsigned int ssp_get_clk_div(struct driver_data *drv_data, int rate)
 }
 
 static unsigned int pxa2xx_ssp_get_clk_div(struct driver_data *drv_data,
-                                          struct chip_data *chip, int rate)
+                                          int rate)
 {
+       struct chip_data *chip = drv_data->cur_chip;
        unsigned int clk_div;
 
        switch (drv_data->ssp_type) {
@@ -921,7 +922,7 @@ static void pump_transfers(unsigned long data)
        bits = transfer->bits_per_word;
        speed = transfer->speed_hz;
 
-       clk_div = pxa2xx_ssp_get_clk_div(drv_data, chip, speed);
+       clk_div = pxa2xx_ssp_get_clk_div(drv_data, speed);
 
        if (bits <= 8) {
                drv_data->n_bytes = 1;