mtd: cfi: add writebufsize initialization

Initialize mtd->writebufsize to the value obtained
by CFI query command at probe time.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index a43ab45bdb18..f072fcfde04e 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -440,6 +440,10 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
         mtd->flags   = MTD_CAP_NORFLASH;
         mtd->name    = map->name;
         mtd->writesize = 1;
+        mtd->writebufsize = 1 << cfi->cfiq->MaxBufWriteSize;
+
+        DEBUG(MTD_DEBUG_LEVEL3, "MTD %s(): write buffer size %d\n",
+                __func__, mtd->writebufsize);
 
         mtd->reboot_notifier.notifier_call = cfi_amdstd_reboot;