From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pb0-f49.google.com ([209.85.160.49]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SNwWy-00038V-4D for linux-mtd@lists.infradead.org; Sat, 28 Apr 2012 01:33:00 +0000 Received: by mail-pb0-f49.google.com with SMTP id rq13so1739571pbb.36 for ; Fri, 27 Apr 2012 18:32:59 -0700 (PDT) From: Brian Norris To: Subject: [PATCH v3 06/10] mtd: eLBD NAND: utilize oob_required parameter Date: Fri, 27 Apr 2012 18:29:50 -0700 Message-Id: <1335576594-25267-7-git-send-email-computersforpeace@gmail.com> In-Reply-To: <1335576594-25267-1-git-send-email-computersforpeace@gmail.com> References: <1335576594-25267-1-git-send-email-computersforpeace@gmail.com> Cc: Brian Norris , David Woodhouse , Li Yang , Artem Bityutskiy List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Don't read/write OOB if the caller doesn't require it. Signed-off-by: Brian Norris --- drivers/mtd/nand/fsl_elbc_nand.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index 5cddd65..ab22985 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -742,7 +742,8 @@ static int fsl_elbc_read_page(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page) { fsl_elbc_read_buf(mtd, buf, mtd->writesize); - fsl_elbc_read_buf(mtd, chip->oob_poi, mtd->oobsize); + if (oob_required) + fsl_elbc_read_buf(mtd, chip->oob_poi, mtd->oobsize); if (fsl_elbc_wait(mtd, chip) & NAND_STATUS_FAIL) mtd->ecc_stats.failed++; @@ -757,7 +758,8 @@ static void fsl_elbc_write_page(struct mtd_info *mtd, struct nand_chip *chip, const uint8_t *buf, int oob_required) { fsl_elbc_write_buf(mtd, buf, mtd->writesize); - fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize); + if (oob_required) + fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize); } static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) -- 1.7.5.4.2.g519b1