mtd: Account for BBT blocks when a partition is being allocated

With the introduction of mtd_block_isreserved(), it's now possible
to fix the bad and reserved block distribution exposed by ecc_stats,
instead of accounting all the bad or reserved blocks as 'bad'.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 921e8c6..a3e3a7d 100644 (file)
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -535,7 +535,9 @@ static struct mtd_part *allocate_partition(struct mtd_info *master,
                uint64_t offs = 0;
 
                while (offs < slave->mtd.size) {
-                       if (mtd_block_isbad(master, offs + slave->offset))
+                       if (mtd_block_isreserved(master, offs + slave->offset))
+                               slave->mtd.ecc_stats.bbtblocks++;
+                       else if (mtd_block_isbad(master, offs + slave->offset))
                                slave->mtd.ecc_stats.badblocks++;
                        offs += slave->mtd.erasesize;
                }