SDMMC: restrict the mtdpart_partition to be only used to eMMC-disk

block/partitions/check.c

@@ -163,6 +163,11 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
 		sprintf(state->name, "p");
 
 	i = res = err = 0;
+	
+	//if the disk is eMMC,then skip directly the check_part to mtdpart_partition; added by xbw, at 2014-03-24	
+ 	if((179 == MAJOR(bdev->bd_dev)&& (1 == hd->emmc_disk)))
+    		i=sizeof(check_part)/sizeof(struct parsed_partitions *)-2;
+
 	while (!res && check_part[i]) {
 		memset(state->parts, 0, state->limit * sizeof(state->parts[0]));
 		res = check_part[i++](state);

block/partitions/mtdpart.c

@@ -336,6 +336,10 @@ int mtdpart_partition(struct parsed_partitions *state)
 
 	if(n < SECTOR_1G)
 		return 0;
+	
+        //only used to eMMC-disk
+        if(1 != state->bdev->bd_disk->emmc_disk)
+        	return 0;
 
 	cmdline = strstr(saved_command_line, "mtdparts=") + 9;