flash/nor: consolidate flash protect/protect_check

[fw/openocd] / src / flash / nor / tcl.c

diff --git a/src/flash/nor/tcl.c b/src/flash/nor/tcl.c
index 95ca8192f79ebb22ca010756bffff8d6d56920cd..f056e07538eb8db3fb52a9c4ee79e770fa4ef604 100644 (file)
--- a/src/flash/nor/tcl.c
+++ b/src/flash/nor/tcl.c
@@ -98,10 +98,18 @@ COMMAND_HANDLER(handle_flash_info_command)
                if (retval != ERROR_OK)
                        return retval;
 
-               /* We must query the hardware to avoid printing stale information! */
-               retval = p->driver->protect_check(p);
-               if (retval != ERROR_OK)
-                       return retval;
+               /* If the driver does not implement protection, we show the default
+                * state of is_protected array - usually protection state unknown */
+               if (p->driver->protect_check == NULL) {
+                       retval = ERROR_FLASH_OPER_UNSUPPORTED;
+               } else {
+                       /* We must query the hardware to avoid printing stale information! */
+                       retval = p->driver->protect_check(p);
+                       if (retval != ERROR_OK && retval != ERROR_FLASH_OPER_UNSUPPORTED)
+                               return retval;
+               }
+               if (retval == ERROR_FLASH_OPER_UNSUPPORTED)
+                       LOG_WARNING("Flash protection check is not implemented.");
 
                command_print(CMD_CTX,
                        "#%d : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32