diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c
index 90ca81da9b..0a335db3a6 100644
--- a/drivers/fastboot/fb_mmc.c
+++ b/drivers/fastboot/fb_mmc.c
@@ -298,7 +298,8 @@ static int fb_mmc_update_zimage(struct blk_desc *dev_desc,
  * @part_info: Pointer to returned disk_partition_t
  * @response: Pointer to fastboot response buffer
  */
-int fastboot_mmc_get_part_info(char *part_name, struct blk_desc **dev_desc,
+int fastboot_mmc_get_part_info(const char *part_name,
+			       struct blk_desc **dev_desc,
 			       disk_partition_t *part_info, char *response)
 {
 	int r;
diff --git a/drivers/fastboot/fb_nand.c b/drivers/fastboot/fb_nand.c
index 526bc12307..6756ea769f 100644
--- a/drivers/fastboot/fb_nand.c
+++ b/drivers/fastboot/fb_nand.c
@@ -152,8 +152,8 @@ static lbaint_t fb_nand_sparse_reserve(struct sparse_storage *info,
  * @part_info: Pointer to returned part_info pointer
  * @response: Pointer to fastboot response buffer
  */
-int fastboot_nand_get_part_info(char *part_name, struct part_info **part_info,
-				char *response)
+int fastboot_nand_get_part_info(const char *part_name,
+				struct part_info **part_info, char *response)
 {
 	struct mtd_info *mtd = NULL;
 
diff --git a/include/fb_mmc.h b/include/fb_mmc.h
index fd5db9eac8..95db001bee 100644
--- a/include/fb_mmc.h
+++ b/include/fb_mmc.h
@@ -14,7 +14,8 @@
  * @part_info: Pointer to returned disk_partition_t
  * @response: Pointer to fastboot response buffer
  */
-int fastboot_mmc_get_part_info(char *part_name, struct blk_desc **dev_desc,
+int fastboot_mmc_get_part_info(const char *part_name,
+			       struct blk_desc **dev_desc,
 			       disk_partition_t *part_info, char *response);
 
 /**
diff --git a/include/fb_nand.h b/include/fb_nand.h
index 08ab0e28a6..6d7999f262 100644
--- a/include/fb_nand.h
+++ b/include/fb_nand.h
@@ -16,8 +16,8 @@
  * @part_info: Pointer to returned part_info pointer
  * @response: Pointer to fastboot response buffer
  */
-int fastboot_nand_get_part_info(char *part_name, struct part_info **part_info,
-				char *response);
+int fastboot_nand_get_part_info(const char *part_name,
+				struct part_info **part_info, char *response);
 
 /**
  * fastboot_nand_flash_write() - Write image to NAND for fastboot