tree/: Convert flashchip erase_block func ptr to enumerate

This forges the way for flashchips.c to be pure declarative
data and lookup functions for dispatch to be pure. This
means that the flashchips data could be extracted out to
be agnostic data of the flashrom code and algorithms.

Change-Id: I02ae7e4c67c5bf34ec2fd7ffe4af8a2aba6fd5e5
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/69133
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/at45db.c b/at45db.c
index 53e15ec80..787733093 100644
--- a/at45db.c
+++ b/at45db.c
@@ -80,9 +80,10 @@ static unsigned int at45db_get_sector_count(struct flashctx *flash)
 	unsigned int i, j;
 	unsigned int cnt = 0;
 	for (i = 0; i < NUM_ERASEFUNCTIONS; i++) {
-		if (flash->chip->block_erasers[i].block_erase == SPI_ERASE_AT45DB_SECTOR) {
+		const struct block_eraser *const eraser = &flash->chip->block_erasers[i];
+		if (eraser->block_erase == SPI_ERASE_AT45DB_SECTOR) {
 			for (j = 0; j < NUM_ERASEREGIONS; j++) {
-				cnt += flash->chip->block_erasers[i].eraseblocks[j].count;
+				cnt += eraser->eraseblocks[j].count;
 			}
 		}
 	}