flash/nor: Use proper data types in driver API

Use 'unsigned int' and 'bool' instead of 'int' where appropriate.
While at it, fix some coding style issues.

No new Clang analyzer warnings.

Change-Id: I700802c9ee81c3c7ae73108f0f8f06b15a4345f8
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: http://openocd.zylin.com/4929
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

1 files changed, 12 insertions, 15 deletions

diff --git a/src/flash/nor/fespi.c b/src/flash/nor/fespi.c
index 05489fd..134fba6 100644
--- a/src/flash/nor/fespi.c
+++ b/src/flash/nor/fespi.c
@@ -359,21 +359,21 @@ static int fespi_erase_sector(struct flash_bank *bank, int sector)
 	return ERROR_OK;
 }
 
-static int fespi_erase(struct flash_bank *bank, int first, int last)
+static int fespi_erase(struct flash_bank *bank, unsigned int first,
+		unsigned int last)
 {
 	struct target *target = bank->target;
 	struct fespi_flash_bank *fespi_info = bank->driver_priv;
 	int retval = ERROR_OK;
-	int sector;
 
-	LOG_DEBUG("%s: from sector %d to sector %d", __func__, first, last);
+	LOG_DEBUG("%s: from sector %u to sector %u", __func__, first, last);
 
 	if (target->state != TARGET_HALTED) {
 		LOG_ERROR("Target not halted");
 		return ERROR_TARGET_NOT_HALTED;
 	}
 
-	if ((first < 0) || (last < first) || (last >= bank->num_sectors)) {
+	if ((last < first) || (last >= bank->num_sectors)) {
 		LOG_ERROR("Flash sector invalid");
 		return ERROR_FLASH_SECTOR_INVALID;
 	}
@@ -383,9 +383,9 @@ static int fespi_erase(struct flash_bank *bank, int first, int last)
 		return ERROR_FLASH_BANK_NOT_PROBED;
 	}
 
-	for (sector = first; sector <= last; sector++) {
+	for (unsigned int sector = first; sector <= last; sector++) {
 		if (bank->sectors[sector].is_protected) {
-			LOG_ERROR("Flash sector %d protected", sector);
+			LOG_ERROR("Flash sector %u protected", sector);
 			return ERROR_FAIL;
 		}
 	}
@@ -410,7 +410,7 @@ static int fespi_erase(struct flash_bank *bank, int first, int last)
 	if (retval != ERROR_OK)
 		goto done;
 
-	for (sector = first; sector <= last; sector++) {
+	for (unsigned int sector = first; sector <= last; sector++) {
 		retval = fespi_erase_sector(bank, sector);
 		if (retval != ERROR_OK)
 			goto done;
@@ -425,11 +425,9 @@ done:
 }
 
 static int fespi_protect(struct flash_bank *bank, int set,
-		int first, int last)
+		unsigned int first, unsigned int last)
 {
-	int sector;
-
-	for (sector = first; sector <= last; sector++)
+	for (unsigned int sector = first; sector <= last; sector++)
 		bank->sectors[sector].is_protected = set;
 	return ERROR_OK;
 }
@@ -735,7 +733,6 @@ static int fespi_write(struct flash_bank *bank, const uint8_t *buffer,
 	struct target *target = bank->target;
 	struct fespi_flash_bank *fespi_info = bank->driver_priv;
 	uint32_t cur_count, page_size, page_offset;
-	int sector;
 	int retval = ERROR_OK;
 
 	LOG_DEBUG("%s: offset=0x%08" PRIx32 " count=0x%08" PRIx32,
@@ -752,14 +749,14 @@ static int fespi_write(struct flash_bank *bank, const uint8_t *buffer,
 	}
 
 	/* Check sector protection */
-	for (sector = 0; sector < bank->num_sectors; sector++) {
+	for (unsigned int sector = 0; sector < bank->num_sectors; sector++) {
 		/* Start offset in or before this sector? */
 		/* End offset in or behind this sector? */
 		if ((offset <
 					(bank->sectors[sector].offset + bank->sectors[sector].size))
 				&& ((offset + count - 1) >= bank->sectors[sector].offset)
 				&& bank->sectors[sector].is_protected) {
-			LOG_ERROR("Flash sector %d protected", sector);
+			LOG_ERROR("Flash sector %u protected", sector);
 			return ERROR_FAIL;
 		}
 	}
@@ -994,7 +991,7 @@ static int fespi_probe(struct flash_bank *bank)
 		return ERROR_FAIL;
 	}
 
-	for (int sector = 0; sector < bank->num_sectors; sector++) {
+	for (unsigned int sector = 0; sector < bank->num_sectors; sector++) {
 		sectors[sector].offset = sector * sectorsize;
 		sectors[sector].size = sectorsize;
 		sectors[sector].is_erased = -1;