diff --git a/arch/arm/boot/dts/exynos3250-artik5-eval.dts b/arch/arm/boot/dts/exynos3250-artik5-eval.dts
index 4bd2ee8..4cbfa09 100644
--- a/arch/arm/boot/dts/exynos3250-artik5-eval.dts
+++ b/arch/arm/boot/dts/exynos3250-artik5-eval.dts
@@ -22,7 +22,6 @@
 };
 
 &mshc_2 {
-	num-slots = <1>;
 	cap-sd-highspeed;
 	disable-wp;
 	vqmmc-supply = <&ldo3_reg>;
diff --git a/arch/arm/boot/dts/exynos3250-artik5.dtsi b/arch/arm/boot/dts/exynos3250-artik5.dtsi
index 59c89d7..639c2e6 100644
--- a/arch/arm/boot/dts/exynos3250-artik5.dtsi
+++ b/arch/arm/boot/dts/exynos3250-artik5.dtsi
@@ -304,7 +304,6 @@
 };
 
 &mshc_0 {
-	num-slots = <1>;
 	non-removable;
 	cap-mmc-highspeed;
 	card-detect-delay = <200>;
diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
index accee81..bbdfcbc 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -426,7 +426,6 @@
 &mshc_0 {
 	#address-cells = <1>;
 	#size-cells = <0>;
-	num-slots = <1>;
 	broken-cd;
 	non-removable;
 	cap-mmc-highspeed;
diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
index 443e0c9..b43e99d 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -642,7 +642,6 @@
 &mshc_0 {
 	#address-cells = <1>;
 	#size-cells = <0>;
-	num-slots = <1>;
 	broken-cd;
 	non-removable;
 	cap-mmc-highspeed;
diff --git a/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi b/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi
index 4cd6248..14ce2c6 100644
--- a/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi
+++ b/arch/arm/boot/dts/exynos4412-itop-scp-core.dtsi
@@ -466,7 +466,6 @@
 	pinctrl-names = "default";
 	status = "okay";
 	vmmc-supply = <&buck9_reg>;
-	num-slots = <1>;
 	broken-cd;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index 219d587..102acd7 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -516,7 +516,6 @@
 	mmc-pwrseq = <&emmc_pwrseq>;
 	status = "okay";
 
-	num-slots = <1>;
 	broken-cd;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts
index 7a83e2d..8a89eb8 100644
--- a/arch/arm/boot/dts/exynos4412-origen.dts
+++ b/arch/arm/boot/dts/exynos4412-origen.dts
@@ -488,7 +488,6 @@
 	pinctrl-names = "default";
 	status = "okay";
 
-	num-slots = <1>;
 	broken-cd;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 35e9b94..fc81da4 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -901,7 +901,6 @@
 };
 
 &mshc_0 {
-	num-slots = <1>;
 	broken-cd;
 	non-removable;
 	card-detect-delay = <200>;
diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index 6a43246..18a7f39 100644
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -518,7 +518,6 @@
 
 &mmc_0 {
 	status = "okay";
-	num-slots = <1>;
 	broken-cd;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
@@ -533,7 +532,6 @@
 
 &mmc_2 {
 	status = "okay";
-	num-slots = <1>;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
 	samsung,dw-mshc-sdr-timing = <2 3>;
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 6632f65..062cba4 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -346,7 +346,6 @@
 
 &mmc_0 {
 	status = "okay";
-	num-slots = <1>;
 	broken-cd;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
@@ -360,7 +359,6 @@
 
 &mmc_2 {
 	status = "okay";
-	num-slots = <1>;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
 	samsung,dw-mshc-sdr-timing = <2 3>;
diff --git a/arch/arm/boot/dts/exynos5250-snow-common.dtsi b/arch/arm/boot/dts/exynos5250-snow-common.dtsi
index e1d293db..8788880 100644
--- a/arch/arm/boot/dts/exynos5250-snow-common.dtsi
+++ b/arch/arm/boot/dts/exynos5250-snow-common.dtsi
@@ -530,7 +530,6 @@
 /* eMMC flash */
 &mmc_0 {
 	status = "okay";
-	num-slots = <1>;
 	non-removable;
 	samsung,dw-mshc-ciu-div = <3>;
 	samsung,dw-mshc-sdr-timing = <2 3>;
@@ -544,7 +543,6 @@
 /* uSD card */
 &mmc_2 {
 	status = "okay";
-	num-slots = <1>;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
 	samsung,dw-mshc-sdr-timing = <2 3>;
@@ -564,7 +562,6 @@
  */
 &mmc_3 {
 	status = "okay";
-	num-slots = <1>;
 	non-removable;
 	cap-sdio-irq;
 	keep-power-in-suspend;
diff --git a/arch/arm/boot/dts/exynos5250-spring.dts b/arch/arm/boot/dts/exynos5250-spring.dts
index 95c3bca..d53bfcb 100644
--- a/arch/arm/boot/dts/exynos5250-spring.dts
+++ b/arch/arm/boot/dts/exynos5250-spring.dts
@@ -427,7 +427,6 @@
 
 &mmc_0 {
 	status = "okay";
-	num-slots = <1>;
 	broken-cd;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
@@ -445,7 +444,6 @@
  */
 &mmc_1 {
 	status = "okay";
-	num-slots = <1>;
 	broken-cd;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
diff --git a/arch/arm/boot/dts/exynos5260-xyref5260.dts b/arch/arm/boot/dts/exynos5260-xyref5260.dts
index d0cc300..73b7cdd 100644
--- a/arch/arm/boot/dts/exynos5260-xyref5260.dts
+++ b/arch/arm/boot/dts/exynos5260-xyref5260.dts
@@ -67,7 +67,6 @@
 
 &mmc_0 {
 	status = "okay";
-	num-slots = <1>;
 	broken-cd;
 	bypass-smu;
 	cap-mmc-highspeed;
@@ -83,7 +82,6 @@
 
 &mmc_2 {
 	status = "okay";
-	num-slots = <1>;
 	cap-sd-highspeed;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
diff --git a/arch/arm/boot/dts/exynos5410-smdk5410.dts b/arch/arm/boot/dts/exynos5410-smdk5410.dts
index 6cc74d9..9cb7726 100644
--- a/arch/arm/boot/dts/exynos5410-smdk5410.dts
+++ b/arch/arm/boot/dts/exynos5410-smdk5410.dts
@@ -41,7 +41,6 @@
 
 &mmc_0 {
 	status = "okay";
-	num-slots = <1>;
 	cap-mmc-highspeed;
 	broken-cd;
 	card-detect-delay = <200>;
@@ -53,7 +52,6 @@
 
 &mmc_2 {
 	status = "okay";
-	num-slots = <1>;
 	cap-sd-highspeed;
 	card-detect-delay = <200>;
 	samsung,dw-mshc-ciu-div = <3>;
diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index f9a75bf..683a4cf 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -699,7 +699,6 @@
 /* eMMC flash */
 &mmc_0 {
 	status = "okay";
-	num-slots = <1>;
 	mmc-hs200-1_8v;
 	cap-mmc-highspeed;
 	non-removable;
@@ -717,7 +716,6 @@
 /* WiFi SDIO module */
 &mmc_1 {
 	status = "okay";
-	num-slots = <1>;
 	non-removable;
 	cap-sdio-irq;
 	keep-power-in-suspend;
@@ -737,7 +735,6 @@
 /* uSD card */
 &mmc_2 {
 	status = "okay";
-	num-slots = <1>;
 	cap-sd-highspeed;
 	card-detect-delay = <200>;
 	clock-frequency = <400000000>;
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index 953dc86..b2b95ff 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -667,7 +667,6 @@
 /* eMMC flash */
 &mmc_0 {
 	status = "okay";
-	num-slots = <1>;
 	mmc-hs200-1_8v;
 	mmc-hs400-1_8v;
 	cap-mmc-highspeed;
@@ -686,7 +685,6 @@
 /* WiFi SDIO module */
 &mmc_1 {
 	status = "okay";
-	num-slots = <1>;
 	non-removable;
 	cap-sdio-irq;
 	keep-power-in-suspend;
@@ -706,7 +704,6 @@
 /* uSD card */
 &mmc_2 {
 	status = "okay";
-	num-slots = <1>;
 	cap-sd-highspeed;
 	card-detect-delay = <200>;
 	clock-frequency = <400000000>;
