treewide: Try to avoid the preprocessor with OF_REAL

Convert some of these occurences to C code, where it is easy to do. This
should help encourage this approach to be used in new code.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index 2f6156e..5dfd484 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -1411,7 +1411,6 @@
 
 static int fsl_esdhc_of_to_plat(struct udevice *dev)
 {
-#if CONFIG_IS_ENABLED(OF_REAL)
 	struct fsl_esdhc_priv *priv = dev_get_priv(dev);
 #if CONFIG_IS_ENABLED(DM_REGULATOR)
 	struct udevice *vqmmc_dev;
@@ -1419,10 +1418,12 @@
 #endif
 	const void *fdt = gd->fdt_blob;
 	int node = dev_of_offset(dev);
-
 	fdt_addr_t addr;
 	unsigned int val;
 
+	if (!CONFIG_IS_ENABLED(OF_REAL))
+		return 0;
+
 	addr = dev_read_addr(dev);
 	if (addr == FDT_ADDR_T_NONE)
 		return -EINVAL;
@@ -1494,7 +1495,7 @@
 			priv->vs18_enable = 1;
 	}
 #endif
-#endif
+
 	return 0;
 }
 
@@ -1598,11 +1599,11 @@
 		return ret;
 	}
 
-#if CONFIG_IS_ENABLED(OF_REAL)
-	ret = mmc_of_parse(dev, &plat->cfg);
-	if (ret)
-		return ret;
-#endif
+	if (CONFIG_IS_ENABLED(OF_REAL)) {
+		ret = mmc_of_parse(dev, &plat->cfg);
+		if (ret)
+			return ret;
+	}
 
 	mmc = &plat->mmc;
 	mmc->cfg = &plat->cfg;
diff --git a/drivers/mmc/ftsdc010_mci.c b/drivers/mmc/ftsdc010_mci.c
index b30da5b..b8cafeb 100644
--- a/drivers/mmc/ftsdc010_mci.c
+++ b/drivers/mmc/ftsdc010_mci.c
@@ -390,28 +390,29 @@
 
 static int ftsdc010_mmc_of_to_plat(struct udevice *dev)
 {
-#if CONFIG_IS_ENABLED(OF_REAL)
 	struct ftsdc_priv *priv = dev_get_priv(dev);
 	struct ftsdc010_chip *chip = &priv->chip;
 
-	chip->name = dev->name;
-	chip->ioaddr = dev_read_addr_ptr(dev);
-	chip->buswidth = dev_read_u32_default(dev, "bus-width", 4);
-	chip->priv = dev;
-	priv->fifo_depth = dev_read_u32_default(dev, "fifo-depth", 0);
-	priv->fifo_mode = dev_read_bool(dev, "fifo-mode");
-	if (dev_read_u32_array(dev, "clock-freq-min-max", priv->minmax, 2)) {
-		if (dev_read_u32(dev, "max-frequency", &priv->minmax[1]))
-			return -EINVAL;
+	if (CONFIG_IS_ENABLED(OF_REAL)) {
+		chip->name = dev->name;
+		chip->ioaddr = dev_read_addr_ptr(dev);
+		chip->buswidth = dev_read_u32_default(dev, "bus-width", 4);
+		chip->priv = dev;
+		priv->fifo_depth = dev_read_u32_default(dev, "fifo-depth", 0);
+		priv->fifo_mode = dev_read_bool(dev, "fifo-mode");
+		if (dev_read_u32_array(dev, "clock-freq-min-max", priv->minmax, 2)) {
+			if (dev_read_u32(dev, "max-frequency", &priv->minmax[1]))
+				return -EINVAL;
 
-		priv->minmax[0] = 400000;  /* 400 kHz */
-	} else {
-		debug("%s: 'clock-freq-min-max' property was deprecated.\n",
-		__func__);
+			priv->minmax[0] = 400000;  /* 400 kHz */
+		} else {
+			debug("%s: 'clock-freq-min-max' property was deprecated.\n",
+			      __func__);
+		}
 	}
-#endif
 	chip->sclk = priv->minmax[1];
 	chip->regs = chip->ioaddr;
+
 	return 0;
 }
 
diff --git a/drivers/mmc/rockchip_dw_mmc.c b/drivers/mmc/rockchip_dw_mmc.c
index fa297a0..855c0e7 100644
--- a/drivers/mmc/rockchip_dw_mmc.c
+++ b/drivers/mmc/rockchip_dw_mmc.c
@@ -52,10 +52,12 @@
 
 static int rockchip_dwmmc_of_to_plat(struct udevice *dev)
 {
-#if CONFIG_IS_ENABLED(OF_REAL)
 	struct rockchip_dwmmc_priv *priv = dev_get_priv(dev);
 	struct dwmci_host *host = &priv->host;
 
+	if (!CONFIG_IS_ENABLED(OF_REAL))
+		return 0;
+
 	host->name = dev->name;
 	host->ioaddr = dev_read_addr_ptr(dev);
 	host->buswidth = dev_read_u32_default(dev, "bus-width", 4);
@@ -95,7 +97,7 @@
 		debug("%s: 'clock-freq-min-max' property was deprecated.\n",
 		      __func__);
 	}
-#endif
+
 	return 0;
 }