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-rw-r--r--include/command.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/command.h b/include/command.h
index 4cec634545..4158ca11b0 100644
--- a/include/command.h
+++ b/include/command.h
@@ -186,7 +186,7 @@ int cmd_process_error(struct cmd_tbl *cmdtp, int err);
* Return: data size in bytes (1, 2, 4, 8) or CMD_DATA_SIZE_ERR for an invalid
* character, or CMD_DATA_SIZE_STR for a string
*/
-int cmd_get_data_size(char *arg, int default_size);
+int cmd_get_data_size(const char *arg, int default_size);
#endif
#ifdef CONFIG_CMD_BOOTD