Set empty usage field for commands that do not need parameters

[openocd.git] / src / flash / nor / at91sam3.c

diff --git a/src/flash/nor/at91sam3.c b/src/flash/nor/at91sam3.c
index 1536378df21bd01b10db66eed94251f13d9e2691..a220279cf4aaac8ec16bbc46439d45c6fcca67ef 100644 (file)
--- a/src/flash/nor/at91sam3.c
+++ b/src/flash/nor/at91sam3.c
@@ -109,7 +109,7 @@
 #define  offset_EFC_FSR   8
 #define  offset_EFC_FRR   12
 
-extern struct flash_driver at91sam3_flash;
+extern const struct flash_driver at91sam3_flash;
 
 static float _tomhz(uint32_t freq_hz)
 {
@@ -2991,28 +2991,6 @@ static int sam3_GetInfo(struct sam3_chip *pChip)
        return ERROR_OK;
 }
 
-static int sam3_erase_check(struct flash_bank *bank)
-{
-       int x;
-
-       LOG_DEBUG("Here");
-       if (bank->target->state != TARGET_HALTED) {
-               LOG_ERROR("Target not halted");
-               return ERROR_TARGET_NOT_HALTED;
-       }
-       if (0 == bank->num_sectors) {
-               LOG_ERROR("Target: not supported/not probed");
-               return ERROR_FAIL;
-       }
-
-       LOG_INFO("sam3 - supports auto-erase, erase_check ignored");
-       for (x = 0; x < bank->num_sectors; x++)
-               bank->sectors[x].is_erased = 1;
-
-       LOG_DEBUG("Done");
-       return ERROR_OK;
-}
-
 static int sam3_protect_check(struct flash_bank *bank)
 {
        int r;
@@ -3117,6 +3095,22 @@ FLASH_BANK_COMMAND_HANDLER(sam3_flash_bank_command)
        return ERROR_OK;
 }
 
+/**
+ * Remove all chips from the internal list without distingushing which one
+ * is owned by this bank. This simplification works only for one shot
+ * deallocation like current flash_free_all_banks()
+ */
+void sam3_free_driver_priv(struct flash_bank *bank)
+{
+       struct sam3_chip *chip = all_sam3_chips;
+       while (chip) {
+               struct sam3_chip *next = chip->next;
+               free(chip);
+               chip = next;
+       }
+       all_sam3_chips = NULL;
+}
+
 static int sam3_GetDetails(struct sam3_bank_private *pPrivate)
 {
        const struct sam3_chip_details *pDetails;
@@ -3737,6 +3731,7 @@ static const struct command_registration at91sam3_exec_command_handlers[] = {
                .mode = COMMAND_EXEC,
                .help = "Print information about the current at91sam3 chip"
                        "and its flash configuration.",
+               .usage = "",
        },
        {
                .name = "slowclk",
@@ -3759,7 +3754,7 @@ static const struct command_registration at91sam3_command_handlers[] = {
        COMMAND_REGISTRATION_DONE
 };
 
-struct flash_driver at91sam3_flash = {
+const struct flash_driver at91sam3_flash = {
        .name = "at91sam3",
        .commands = at91sam3_command_handlers,
        .flash_bank_command = sam3_flash_bank_command,
@@ -3769,6 +3764,7 @@ struct flash_driver at91sam3_flash = {
        .read = default_flash_read,
        .probe = sam3_probe,
        .auto_probe = sam3_auto_probe,
-       .erase_check = sam3_erase_check,
+       .erase_check = default_flash_blank_check,
        .protect_check = sam3_protect_check,
+       .free_driver_priv = sam3_free_driver_priv,
 };