diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c
index 90ca81d..0a335db 100644
--- a/drivers/fastboot/fb_mmc.c
+++ b/drivers/fastboot/fb_mmc.c
@@ -298,7 +298,8 @@
  * @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)
 {
 	int r;
diff --git a/drivers/fastboot/fb_nand.c b/drivers/fastboot/fb_nand.c
index 526bc12..6756ea7 100644
--- a/drivers/fastboot/fb_nand.c
+++ b/drivers/fastboot/fb_nand.c
@@ -152,8 +152,8 @@
  * @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)
 {
 	struct mtd_info *mtd = NULL;