diff --git a/target/linux/xburst/files-2.6.31/arch/mips/include/asm/mach-jz4740/gpio.h b/target/linux/xburst/files-2.6.31/arch/mips/include/asm/mach-jz4740/gpio.h
index 8723d4214..00253964a 100644
--- a/target/linux/xburst/files-2.6.31/arch/mips/include/asm/mach-jz4740/gpio.h
+++ b/target/linux/xburst/files-2.6.31/arch/mips/include/asm/mach-jz4740/gpio.h
@@ -19,13 +19,12 @@
 #include <linux/types.h>
 
 enum jz_gpio_function {
-    JZ_GPIO_FUNC_NONE,
-    JZ_GPIO_FUNC1,
-    JZ_GPIO_FUNC2,
-    JZ_GPIO_FUNC3,
+	JZ_GPIO_FUNC_NONE,
+	JZ_GPIO_FUNC1,
+	JZ_GPIO_FUNC2,
+	JZ_GPIO_FUNC3,
 };
 
-
 /*
  Usually a driver for a SoC component has to request several gpio pins and
  configure them as funcion pins.
@@ -39,13 +38,13 @@ enum jz_gpio_function {
 
  inside the probe function:
 
-    ret = jz_gpio_bulk_request(i2c_pins, ARRAY_SIZE(i2c_pins));
-    if (ret) {
+	ret = jz_gpio_bulk_request(i2c_pins, ARRAY_SIZE(i2c_pins));
+	if (ret) {
 	...
 
  inside the remove function:
 
-    jz_gpio_bulk_free(i2c_pins, ARRAY_SIZE(i2c_pins));
+	jz_gpio_bulk_free(i2c_pins, ARRAY_SIZE(i2c_pins));
 
 
 */
@@ -56,13 +55,15 @@ struct jz_gpio_bulk_request {
 };
 
 #define JZ_GPIO_BULK_PIN(pin) { \
-    .gpio = JZ_GPIO_ ## pin, \
-    .name = #pin, \
-    .function = JZ_GPIO_FUNC_ ## pin \
+	.gpio = JZ_GPIO_ ## pin, \
+	.name = #pin, \
+	.function = JZ_GPIO_FUNC_ ## pin \
 }
 
 int jz_gpio_bulk_request(const struct jz_gpio_bulk_request *request, size_t num);
 void jz_gpio_bulk_free(const struct jz_gpio_bulk_request *request, size_t num);
+void jz_gpio_bulk_suspend(const struct jz_gpio_bulk_request *request, size_t num);
+void jz_gpio_bulk_resume(const struct jz_gpio_bulk_request *request, size_t num);
 void jz_gpio_enable_pullup(unsigned gpio);
 void jz_gpio_disable_pullup(unsigned gpio);
 int jz_gpio_set_function(int gpio, enum jz_gpio_function function);
@@ -192,7 +193,7 @@ int jz_gpio_set_function(int gpio, enum jz_gpio_function function);
 #define JZ_GPIO_FUNC_MEM_ADDR14		JZ_GPIO_FUNC1
 #define JZ_GPIO_FUNC_MEM_ADDR15		JZ_GPIO_FUNC1
 #define JZ_GPIO_FUNC_MEM_ADDR16		JZ_GPIO_FUNC1
-#define JZ_GPIO_FUNC_MEM_CLS	        JZ_GPIO_FUNC1
+#define JZ_GPIO_FUNC_MEM_CLS		JZ_GPIO_FUNC1
 #define JZ_GPIO_FUNC_MEM_SPL		JZ_GPIO_FUNC1
 #define JZ_GPIO_FUNC_MEM_DCS		JZ_GPIO_FUNC1
 #define JZ_GPIO_FUNC_MEM_RAS		JZ_GPIO_FUNC1
diff --git a/target/linux/xburst/files-2.6.31/arch/mips/jz4740/gpio.c b/target/linux/xburst/files-2.6.31/arch/mips/jz4740/gpio.c
index 12189909d..79f406631 100644
--- a/target/linux/xburst/files-2.6.31/arch/mips/jz4740/gpio.c
+++ b/target/linux/xburst/files-2.6.31/arch/mips/jz4740/gpio.c
@@ -78,6 +78,7 @@
 #define GPIO_TO_SEL_REG(gpio)		GPIO_TO_REG(gpio, 0x50)
 #define GPIO_TO_SEL_SET_REG(gpio)	GPIO_TO_REG(gpio, 0x54)
 #define GPIO_TO_SEL_CLEAR_REG(gpio)	GPIO_TO_REG(gpio, 0x58)
+#define GPIO_TO_DIRECTION_CLEAR_REG(chip)	GPIO_TO_REG(chip, 0x68)
 #define GPIO_TO_TRIGGER_REG(gpio)	GPIO_TO_REG(gpio, 0x70)
 #define GPIO_TO_TRIGGER_SET_REG(gpio)	GPIO_TO_REG(gpio, 0x74)
 #define GPIO_TO_TRIGGER_CLEAR_REG(gpio)	GPIO_TO_REG(gpio, 0x78)
@@ -162,6 +163,28 @@ void jz_gpio_bulk_free(const struct jz_gpio_bulk_request *request, size_t num)
 }
 EXPORT_SYMBOL_GPL(jz_gpio_bulk_free);
 
+void jz_gpio_bulk_suspend(const struct jz_gpio_bulk_request *request, size_t num)
+{
+	size_t i;
+
+	for (i = 0; i < num; ++i, ++request) {
+		jz_gpio_set_function(request->gpio, JZ_GPIO_FUNC_NONE);
+		writel(BIT(request->gpio), GPIO_TO_DIRECTION_CLEAR_REG(request->gpio));
+	}
+}
+EXPORT_SYMBOL_GPL(jz_gpio_bulk_suspend);
+
+void jz_gpio_bulk_resume(const struct jz_gpio_bulk_request *request, size_t num)
+{
+	size_t i;
+
+	for (i = 0; i < num; ++i, ++request) {
+		jz_gpio_set_function(request->gpio, request->function);
+	}
+}
+EXPORT_SYMBOL_GPL(jz_gpio_bulk_resume);
+
+
 void jz_gpio_enable_pullup(unsigned gpio)
 {
 	writel(GPIO_TO_BIT(gpio), GPIO_TO_PULL_CLEAR_REG(gpio));
diff --git a/target/linux/xburst/files-2.6.31/drivers/mmc/host/jz_mmc.c b/target/linux/xburst/files-2.6.31/drivers/mmc/host/jz_mmc.c
index eba4a0656..f46c691f4 100644
--- a/target/linux/xburst/files-2.6.31/drivers/mmc/host/jz_mmc.c
+++ b/target/linux/xburst/files-2.6.31/drivers/mmc/host/jz_mmc.c
@@ -45,7 +45,6 @@
 #define JZ_REG_MMC_RXFIFO	0x38
 #define JZ_REG_MMC_TXFIFO	0x3C
 
-
 #define JZ_MMC_STRPCL_EXIT_MULTIPLE BIT(7)
 #define JZ_MMC_STRPCL_EXIT_TRANSFER BIT(6)
 #define JZ_MMC_STRPCL_START_READWAIT BIT(5)