From 1848a057a29f74d2a0517c5123a281002739ba31 Mon Sep 17 00:00:00 2001
From: Han Xu <han.xu@nxp.com>
Date: Tue, 12 Apr 2016 17:06:33 -0500
Subject: 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>

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 6e46156..6c062b8 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;
 
 	/*
-- 
cgit v0.10.2