flash/nor/avrf: Minor code cleanups

Change-Id: I64aa8e41f336584b524445e0ee7f986a0032852a
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: http://openocd.zylin.com/5461
Tested-by: jenkins
Reviewed-by: Lars Poeschel <poeschell+openocd@mailbox.org>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

src/flash/nor/avrf.c

@@ -58,7 +58,7 @@ struct avrf_type {
 
 struct avrf_flash_bank {
 	int ppage_size;
-	int probed;
+	bool probed;
 };
 
 static const struct avrf_type avft_chips_info[] = {
@@ -149,7 +149,7 @@ static int avr_jtagprg_writeflashpage(struct avr_common *avr,
 	uint32_t addr,
 	uint32_t page_size)
 {
-	uint32_t i, poll_value;
+	uint32_t poll_value;
 
 	avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_COMMANDS);
 	avr_jtag_senddat(avr->jtag_info.tap, NULL, 0x2310, AVR_JTAG_REG_ProgrammingCommand_Len);
@@ -175,7 +175,7 @@ static int avr_jtagprg_writeflashpage(struct avr_common *avr,
 
 	avr_jtag_sendinstr(avr->jtag_info.tap, NULL, AVR_JTAG_INS_PROG_PAGELOAD);
 
-	for (i = 0; i < page_size; i++) {
+	for (uint32_t i = 0; i < page_size; i++) {
 		if (i < buf_size)
 			avr_jtag_senddat(avr->jtag_info.tap, NULL, page_buf[i], 8);
 		else
@@ -213,7 +213,7 @@ FLASH_BANK_COMMAND_HANDLER(avrf_flash_bank_command)
 	avrf_info = malloc(sizeof(struct avrf_flash_bank));
 	bank->driver_priv = avrf_info;
 
-	avrf_info->probed = 0;
+	avrf_info->probed = false;
 
 	return ERROR_OK;
 }
@@ -304,7 +304,6 @@ static int avrf_probe(struct flash_bank *bank)
 	struct avrf_flash_bank *avrf_info = bank->driver_priv;
 	struct avr_common *avr = target->arch_info;
 	const struct avrf_type *avr_info = NULL;
-	int i;
 	uint32_t device_id;
 
 	if (bank->target->state != TARGET_HALTED) {
@@ -312,7 +311,7 @@ static int avrf_probe(struct flash_bank *bank)
 		return ERROR_TARGET_NOT_HALTED;
 	}
 
-	avrf_info->probed = 0;
+	avrf_info->probed = false;
 
 	avr_jtag_read_jtagid(avr, &device_id);
 	if (ERROR_OK != mcu_execute_queue())
@@ -324,7 +323,7 @@ static int avrf_probe(struct flash_bank *bank)
 			EXTRACT_MFG(device_id),
 			0x1F);
 
-	for (i = 0; i < (int)ARRAY_SIZE(avft_chips_info); i++) {
+	for (size_t i = 0; i < ARRAY_SIZE(avft_chips_info); i++) {
 		if (avft_chips_info[i].chip_id == EXTRACT_PART(device_id)) {
 			avr_info = &avft_chips_info[i];
 			LOG_INFO("target device is %s", avr_info->name);
@@ -344,20 +343,20 @@ static int avrf_probe(struct flash_bank *bank)
 		bank->num_sectors = avr_info->flash_page_num;
 		bank->sectors = malloc(sizeof(struct flash_sector) * avr_info->flash_page_num);
 
-		for (i = 0; i < avr_info->flash_page_num; i++) {
+		for (int i = 0; i < avr_info->flash_page_num; i++) {
 			bank->sectors[i].offset = i * avr_info->flash_page_size;
 			bank->sectors[i].size = avr_info->flash_page_size;
 			bank->sectors[i].is_erased = -1;
 			bank->sectors[i].is_protected = -1;
 		}
 
-		avrf_info->probed = 1;
+		avrf_info->probed = true;
 		return ERROR_OK;
 	} else {
 		/* chip not supported */
 		LOG_ERROR("0x%" PRIx32 " is not support for avr", EXTRACT_PART(device_id));
 
-		avrf_info->probed = 1;
+		avrf_info->probed = true;
 		return ERROR_FAIL;
 	}
 }
@@ -375,7 +374,6 @@ static int avrf_info(struct flash_bank *bank, char *buf, int buf_size)
 	struct target *target = bank->target;
 	struct avr_common *avr = target->arch_info;
 	const struct avrf_type *avr_info = NULL;
-	int i;
 	uint32_t device_id;
 
 	if (bank->target->state != TARGET_HALTED) {
@@ -393,7 +391,7 @@ static int avrf_info(struct flash_bank *bank, char *buf, int buf_size)
 			EXTRACT_MFG(device_id),
 			0x1F);
 
-	for (i = 0; i < (int)ARRAY_SIZE(avft_chips_info); i++) {
+	for (size_t i = 0; i < ARRAY_SIZE(avft_chips_info); i++) {
 		if (avft_chips_info[i].chip_id == EXTRACT_PART(device_id)) {
 			avr_info = &avft_chips_info[i];
 			LOG_INFO("target device is %s", avr_info->name);
@@ -434,8 +432,6 @@ static int avrf_mass_erase(struct flash_bank *bank)
 
 COMMAND_HANDLER(avrf_handle_mass_erase_command)
 {
-	int i;
-
 	if (CMD_ARGC < 1)
 		return ERROR_COMMAND_SYNTAX_ERROR;
 
@@ -446,7 +442,7 @@ COMMAND_HANDLER(avrf_handle_mass_erase_command)
 
 	if (avrf_mass_erase(bank) == ERROR_OK) {
 		/* set all sectors as erased */
-		for (i = 0; i < bank->num_sectors; i++)
+		for (int i = 0; i < bank->num_sectors; i++)
 			bank->sectors[i].is_erased = 1;
 
 		command_print(CMD, "avr mass erase complete");