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-rw-r--r--drivers/mtd/mtdconcat.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index 5f5777bd3f75..5060e608ea5d 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -750,6 +750,7 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c
struct mtd_concat *concat;
uint32_t max_erasesize, curr_erasesize;
int num_erase_region;
+ int max_writebufsize = 0;
printk(KERN_NOTICE "Concatenating MTD devices:\n");
for (i = 0; i < num_devs; i++)
@@ -776,7 +777,12 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[], /* subdevices to c
concat->mtd.size = subdev[0]->size;
concat->mtd.erasesize = subdev[0]->erasesize;
concat->mtd.writesize = subdev[0]->writesize;
- concat->mtd.writebufsize = subdev[0]->writebufsize;
+
+ for (i = 0; i < num_devs; i++)
+ if (max_writebufsize < subdev[i]->writebufsize)
+ max_writebufsize = subdev[i]->writebufsize;
+ concat->mtd.writebufsize = max_writebufsize;
+
concat->mtd.subpage_sft = subdev[0]->subpage_sft;
concat->mtd.oobsize = subdev[0]->oobsize;
concat->mtd.oobavail = subdev[0]->oobavail;