diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 5dafb3b23c62..4d3d02d9b568 100755
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -604,25 +604,34 @@ EXPORT_SYMBOL(mmc_free_host);
  *  OR, rescan host from argument.
  *
  */
-int mmc_host_rescan(struct mmc_host *host, int val)
+int mmc_host_rescan(struct mmc_host *host, int val, int is_cap_sdio_irq)
 {
-    if(NULL != primary_sdio_host){
-        if(!host)
-            host = primary_sdio_host;
-        else 
-            printk("%s: mmc_host_rescan pass in host from argument!\n", mmc_hostname(host));
-    }
-    else{
-        printk("sdio: host isn't  initialization successfully.\n");                    
-        return -ENOMEDIUM;
-    }
+	if (NULL != primary_sdio_host) {
+		if(!host)
+			host = primary_sdio_host;
+		else
+			printk("%s: mmc_host_rescan pass in host from argument!\n", mmc_hostname(host));
+	} else {
+		printk("sdio: host isn't  initialization successfully.\n");
+		return -ENOMEDIUM;
+	}
 
-    printk("%s:mmc host rescan start!\n", mmc_hostname(host));
+	printk("%s:mmc host rescan start!\n", mmc_hostname(host));
 
-    if (!(host->caps & MMC_CAP_NONREMOVABLE) && host->ops->set_sdio_status)
+	/*  0: oob  1:cap-sdio-irq */
+	if (is_cap_sdio_irq == 1) { 
+		host->caps |= MMC_CAP_SDIO_IRQ;
+	} else if (is_cap_sdio_irq == 0) {
+		host->caps &= ~MMC_CAP_SDIO_IRQ;
+	} else {
+		dev_err(&host->class_dev, "sdio: host doesn't identify oob or sdio_irq mode!\n");
+		return -ENOMEDIUM;
+	}
+
+	if (!(host->caps & MMC_CAP_NONREMOVABLE) && host->ops->set_sdio_status)
 		host->ops->set_sdio_status(host, val);
 	
-    return 0;
+	return 0;
 }
 EXPORT_SYMBOL(mmc_host_rescan);
 
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index a78ce927814b..7f45c684ec0b 100755
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -396,7 +396,7 @@ int mmc_add_host(struct mmc_host *);
 void mmc_remove_host(struct mmc_host *);
 void mmc_free_host(struct mmc_host *);
 int mmc_of_parse(struct mmc_host *host);
-int mmc_host_rescan(struct mmc_host *host, int val);
+int mmc_host_rescan(struct mmc_host *host, int val, int irq_type);
 #ifdef CONFIG_MMC_EMBEDDED_SDIO
 extern void mmc_set_embedded_sdio_data(struct mmc_host *host,
 				       struct sdio_cis *cis,
diff --git a/net/rfkill/rfkill-wlan.c b/net/rfkill/rfkill-wlan.c
index 7ee079047048..73607702fc69 100755
--- a/net/rfkill/rfkill-wlan.c
+++ b/net/rfkill/rfkill-wlan.c
@@ -436,10 +436,19 @@ EXPORT_SYMBOL(rockchip_wifi_power);
  *
  *************************************************************************/
 #include <linux/mmc/host.h>
-extern int mmc_host_rescan(struct mmc_host *host, int val);
+extern int mmc_host_rescan(struct mmc_host *host, int val, int irq_type);
 int rockchip_wifi_set_carddetect(int val)
 {
-    return mmc_host_rescan(NULL, val);//NULL => SDIO host
+	int chip, irq_type;
+	chip = get_wifi_chip_type();
+
+	/*  irq_type : 0, oob; 1, cap-sdio-irq */
+	if (chip == WIFI_ESP8089)
+		irq_type = 1;
+	else
+		irq_type = 0;
+
+	return mmc_host_rescan(NULL, val, irq_type);//NULL => SDIO host
 }
 EXPORT_SYMBOL(rockchip_wifi_set_carddetect);