linux-kernel - [PATCH] mtd: nand: gpmi: get correct free oob space

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Date:	Tue, 12 Apr 2016 17:06:33 -0500
From:	Han Xu <han.xu@....com>
To:	<han.xu@....com>, <boris.brezillon@...e-electrons.com>,
	<richard@....at>, <dwmw2@...radead.org>,
	<computersforpeace@...il.com>
CC:	<linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] 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@....com>
---
 drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index 316b5ac..bda77a9 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -319,7 +319,8 @@ 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;
 
 	/*
-- 
1.9.1