flash/nor/tcl.c: Do not double probe banks
authorAndrey Smirnov <andrew.smirnov@gmail.com>
Fri, 4 Apr 2014 14:41:58 +0000 (07:41 -0700)
committerSpencer Oliver <spen@spen-soft.co.uk>
Mon, 22 Sep 2014 19:38:37 +0000 (19:38 +0000)
Previous to this version the code of handle_flash_probe_command would
probe a bank twice: first time by auto-probe through a call to
flash_command_get_bank and second time by calling the probe function
directly. This change adds a flash_command_get_bank_maybe_probe wich
is a more generic version of the flash_command_get_bank, that would
allow commands to decide whether auto-probing should be performed or
not.

Change-Id: If150ca9c169ffe05e8c7eba36338d333360811e3
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-on: http://openocd.zylin.com/2093
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
src/flash/nor/tcl.c

index 26c43288279ec97369eb75abb43a0b2a2b9d51a5..8f97ebd245b5ebafc203211fcd5303995f37f58e 100644 (file)
  * Implements Tcl commands used to access NOR flash facilities.
  */
 
-COMMAND_HELPER(flash_command_get_bank, unsigned name_index,
-       struct flash_bank **bank)
+COMMAND_HELPER(flash_command_get_bank_maybe_probe, unsigned name_index,
+              struct flash_bank **bank, bool do_probe)
 {
        const char *name = CMD_ARGV[name_index];
-       int retval = get_flash_bank_by_name(name, bank);
+       int retval;
+       if (do_probe) {
+               retval = get_flash_bank_by_name(name, bank);
+       } else {
+               *bank  = get_flash_bank_by_name_noprobe(name);
+               retval = ERROR_OK;
+       }
+
        if (retval != ERROR_OK)
                return retval;
        if (*bank)
@@ -44,7 +51,20 @@ COMMAND_HELPER(flash_command_get_bank, unsigned name_index,
        unsigned bank_num;
        COMMAND_PARSE_NUMBER(uint, name, bank_num);
 
-       return get_flash_bank_by_num(bank_num, bank);
+       if (do_probe) {
+               return get_flash_bank_by_num(bank_num, bank);
+       } else {
+               *bank  = get_flash_bank_by_num_noprobe(bank_num);
+               retval = (bank) ? ERROR_OK : ERROR_FAIL;
+               return retval;
+       }
+}
+
+COMMAND_HELPER(flash_command_get_bank, unsigned name_index,
+       struct flash_bank **bank)
+{
+       return CALL_COMMAND_HANDLER(flash_command_get_bank_maybe_probe,
+                                   name_index, bank, true);
 }
 
 COMMAND_HANDLER(handle_flash_info_command)
@@ -121,7 +141,7 @@ COMMAND_HANDLER(handle_flash_probe_command)
        if (CMD_ARGC != 1)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+       retval = CALL_COMMAND_HANDLER(flash_command_get_bank_maybe_probe, 0, &p, false);
        if (retval != ERROR_OK)
                return retval;