mtd: introduce mtd_can_have_bb helper

This patch introduces new 'mtd_can_have_bb()' helper function which checks
whether the flash can have bad eraseblocks. Then it changes all the
direct 'mtd->block_isbad' use cases with 'mtd_can_have_bb()'.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/mtd/tests/mtd_speedtest.c b/drivers/mtd/tests/mtd_speedtest.c
index 4d2ed5c0807d..2aec4f3b72be 100644
--- a/drivers/mtd/tests/mtd_speedtest.c
+++ b/drivers/mtd/tests/mtd_speedtest.c
@@ -336,8 +336,7 @@ static int scan_for_bad_eraseblocks(void)
                 return -ENOMEM;
         }
 
-        /* NOR flash does not implement block_isbad */
-        if (mtd->block_isbad == NULL)
+        if (!mtd_can_have_bb(mtd))
                 goto out;
 
         printk(PRINT_PREF "scanning for bad eraseblocks\n");