mtd: nand: gpmi: get correct free oob space

change the way to calculate pagesize to get correct free oob space for
legacy_set_geometry function.

Signed-off-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 6e461560c6a8..6c062b8251d2 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -318,7 +318,8 @@ static int legacy_set_geometry(struct gpmi_nand_data *this)
                 return -EINVAL;
         }
 
-        geo->page_size = mtd->writesize + mtd->oobsize;
+        geo->page_size = mtd->writesize + geo->metadata_size +
+                (geo->gf_len * geo->ecc_strength * geo->ecc_chunk_count) / 8;
         geo->payload_size = mtd->writesize;
 
         /*