mtd: nand: gpmi: get correct free oob space

hanxu-nxp · Boris Brezillon · commit 1848a057a29f · 2016-09-23T09:35:16.000+02:00
change the way to calculate pagesize to get correct free oob space for
legacy_set_geometry function.

Signed-off-by: Han Xu &lt;han.xu@nxp.com&gt;
Signed-off-by: Boris Brezillon &lt;boris.brezillon@free-electrons.com&gt;
diff --git 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;
 
 	/*

Original file line number	Diff line number	Diff line change
`@@ -318,7 +318,8 @@ static int legacy_set_geometry(struct gpmi_nand_data *this)`
`318`	`318`	`return -EINVAL;`
`319`	`319`	`}`
`320`	`320`
`321`		`- geo->page_size = mtd->writesize + mtd->oobsize;`
	`321`	`+ geo->page_size = mtd->writesize + geo->metadata_size +`
	`322`	`+ (geo->gf_len * geo->ecc_strength * geo->ecc_chunk_count) / 8;`
`322`	`323`	`geo->payload_size = mtd->writesize;`
`323`	`324`
`324`	`325`	`/*`