diff --git a/drivers/mmc/bcm2835_sdhci.c b/drivers/mmc/bcm2835_sdhci.c
index c1d8700..cb2bd40 100644
--- a/drivers/mmc/bcm2835_sdhci.c
+++ b/drivers/mmc/bcm2835_sdhci.c
@@ -157,7 +157,7 @@
 	bcm_host = calloc(1, sizeof(*bcm_host));
 	if (!bcm_host) {
 		printf("sdhci_host calloc fail!\n");
-		return 1;
+		return -ENOMEM;
 	}
 
 	/*
diff --git a/drivers/mmc/ftsdc021_sdhci.c b/drivers/mmc/ftsdc021_sdhci.c
index 1f6cdba..6e9fefa 100644
--- a/drivers/mmc/ftsdc021_sdhci.c
+++ b/drivers/mmc/ftsdc021_sdhci.c
@@ -21,7 +21,7 @@
 	host = calloc(1, sizeof(struct sdhci_host));
 	if (!host) {
 		puts("sdh_host malloc fail!\n");
-		return 1;
+		return -ENOMEM;
 	}
 
 	host->name = "FTSDC021";
diff --git a/drivers/mmc/kona_sdhci.c b/drivers/mmc/kona_sdhci.c
index c67a262..549f6bc 100644
--- a/drivers/mmc/kona_sdhci.c
+++ b/drivers/mmc/kona_sdhci.c
@@ -27,7 +27,7 @@
 
 	if (sdhci_readb(host, SDHCI_SOFTWARE_RESET) & SDHCI_RESET_ALL) {
 		printf("%s: sd host controller reset error\n", __func__);
-		return 1;
+		return -EBUSY;
 	}
 
 	/* For kona a hardware reset before anything else. */
@@ -39,7 +39,7 @@
 	do {
 		if (timeout == 0) {
 			printf("%s: reset timeout error\n", __func__);
-			return 1;
+			return -ETIMEDOUT;
 		}
 		timeout--;
 		udelay(100);
@@ -67,7 +67,7 @@
 	while (!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT)) {
 		if (timeout == 0) {
 			printf("%s: CARD DETECT timeout error\n", __func__);
-			return 1;
+			return -ETIMEDOUT;
 		}
 		timeout--;
 		udelay(100);
diff --git a/drivers/mmc/mv_sdhci.c b/drivers/mmc/mv_sdhci.c
index ca5f872..e388ad1 100644
--- a/drivers/mmc/mv_sdhci.c
+++ b/drivers/mmc/mv_sdhci.c
@@ -71,7 +71,7 @@
 	host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
 	if (!host) {
 		printf("sdh_host malloc fail!\n");
-		return 1;
+		return -ENOMEM;
 	}
 
 	host->name = MVSDH_NAME;
diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c
index d7cfa3e..b329bef 100644
--- a/drivers/mmc/s5p_sdhci.c
+++ b/drivers/mmc/s5p_sdhci.c
@@ -100,7 +100,7 @@
 	struct sdhci_host *host = calloc(1, sizeof(struct sdhci_host));
 	if (!host) {
 		printf("sdhci__host allocation fail!\n");
-		return 1;
+		return -ENOMEM;
 	}
 	host->ioaddr = (void *)regbase;
 	host->index = index;
@@ -154,7 +154,7 @@
 	dev_id = pinmux_decode_periph_id(blob, node);
 	if (dev_id < PERIPH_ID_SDMMC0 && dev_id > PERIPH_ID_SDMMC3) {
 		debug("MMC: Can't get device id\n");
-		return -1;
+		return -EINVAL;
 	}
 	host->index = dev_id - PERIPH_ID_SDMMC0;
 
@@ -162,7 +162,7 @@
 	bus_width = fdtdec_get_int(blob, node, "samsung,bus-width", 0);
 	if (bus_width <= 0) {
 		debug("MMC: Can't get bus-width\n");
-		return -1;
+		return -EINVAL;
 	}
 	host->bus_width = bus_width;
 
@@ -170,7 +170,7 @@
 	base = fdtdec_get_addr(blob, node, "reg");
 	if (!base) {
 		debug("MMC: Can't get base address\n");
-		return -1;
+		return -EINVAL;
 	}
 	host->ioaddr = (void *)base;
 
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 7337722..837c538 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -87,7 +87,7 @@
 		if (stat & SDHCI_INT_ERROR) {
 			printf("%s: Error detected in status(0x%X)!\n",
 			       __func__, stat);
-			return -1;
+			return -EIO;
 		}
 		if (stat & rdy) {
 			if (!(sdhci_readl(host, SDHCI_PRESENT_STATE) & mask))
@@ -110,7 +110,7 @@
 			udelay(10);
 		else {
 			printf("%s: Transfer data timeout\n", __func__);
-			return -1;
+			return -ETIMEDOUT;
 		}
 	} while (!(stat & SDHCI_INT_DATA_END));
 	return 0;
@@ -303,7 +303,7 @@
 		if (timeout == 0) {
 			printf("%s: Timeout to wait cmd & data inhibit\n",
 			       __func__);
-			return -1;
+			return -EBUSY;
 		}
 
 		timeout--;
@@ -374,7 +374,7 @@
 		if (timeout == 0) {
 			printf("%s: Internal clock never stabilised.\n",
 			       __func__);
-			return -1;
+			return -EBUSY;
 		}
 		timeout--;
 		udelay(1000);
@@ -477,7 +477,7 @@
 		if (!aligned_buffer) {
 			printf("%s: Aligned buffer alloc failed!!!\n",
 			       __func__);
-			return -1;
+			return -ENOMEM;
 		}
 	}
 
@@ -631,7 +631,7 @@
 	host->mmc = mmc_create(&host->cfg, host);
 	if (host->mmc == NULL) {
 		printf("%s: mmc create fail!\n", __func__);
-		return -1;
+		return -ENOMEM;
 	}
 
 	return 0;