[PATCH v4 10/10] mtd: pxa3xx_nand: utilize oob_required parameter

[Brian Norris]

Don't read/write OOB if the caller doesn't require it.

Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 drivers/mtd/nand/pxa3xx_nand.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 252aaef..8ca303a 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -685,7 +685,8 @@ static void pxa3xx_nand_write_page_hwecc(struct mtd_info *mtd,
 		struct nand_chip *chip, const uint8_t *buf, int oob_required)
 {
 	chip->write_buf(mtd, buf, mtd->writesize);
-	chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+	if (oob_required)
+		chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
 }
 
 static int pxa3xx_nand_read_page_hwecc(struct mtd_info *mtd,
@@ -696,7 +697,8 @@ static int pxa3xx_nand_read_page_hwecc(struct mtd_info *mtd,
 	struct pxa3xx_nand_info *info = host->info_data;
 
 	chip->read_buf(mtd, buf, mtd->writesize);
-	chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
+	if (oob_required)
+		chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
 
 	if (info->retcode == ERR_SBERR) {
 		switch (info->use_ecc) {
-- 
1.7.5.4.2.g519b1