mmc: sunxi: Avoid #ifdefs in delay and width setup

The delay and bus-width setup are slightly different across the
Allwinner SoC generations, and we covered this so far with some
preprocessor conditionals.

Use the more readable IS_ENABLE() instead.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>

diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
index 3503ccd..87b79fc 100644 (file)
--- a/drivers/mmc/sunxi_mmc.c
+++ b/drivers/mmc/sunxi_mmc.c
@@ -156,23 +156,19 @@ static int mmc_set_mod_clk(struct sunxi_mmc_priv *priv, unsigned int hz)
        } else if (hz <= 25000000) {
                oclk_dly = 0;
                sclk_dly = 5;
-#ifdef CONFIG_MACH_SUN9I
-       } else if (hz <= 52000000) {
-               oclk_dly = 5;
-               sclk_dly = 4;
-       } else {
-               /* hz > 52000000 */
-               oclk_dly = 2;
-               sclk_dly = 4;
-#else
-       } else if (hz <= 52000000) {
-               oclk_dly = 3;
-               sclk_dly = 4;
        } else {
-               /* hz > 52000000 */
-               oclk_dly = 1;
+               if (IS_ENABLED(CONFIG_MACH_SUN9I)) {
+                       if (hz <= 52000000)
+                               oclk_dly = 5;
+                       else
+                               oclk_dly = 2;
+               } else {
+                       if (hz <= 52000000)
+                               oclk_dly = 3;
+                       else
+                               oclk_dly = 1;
+               }
                sclk_dly = 4;
-#endif
        }
 
        if (new_mode) {
@@ -521,10 +517,11 @@ struct mmc *sunxi_mmc_init(int sdc_no)
 
        cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
        cfg->host_caps = MMC_MODE_4BIT;
-#if defined(CONFIG_MACH_SUN50I) || defined(CONFIG_MACH_SUN8I) || defined(CONFIG_SUN50I_GEN_H6)
-       if (sdc_no == 2)
+
+       if ((IS_ENABLED(CONFIG_MACH_SUN50I) || IS_ENABLED(CONFIG_MACH_SUN8I) ||
+           IS_ENABLED(CONFIG_SUN50I_GEN_H6)) && (sdc_no == 2))
                cfg->host_caps = MMC_MODE_8BIT;
-#endif
+
        cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
        cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;