From: Sascha Hauer <s.hauer@pengutronix.de>
To: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH V3 3/8] drivers/mtd: transfer NAND notions to MTD core
Date: Wed, 21 Dec 2011 12:25:21 +0100 [thread overview]
Message-ID: <20111221112521.GT27267@pengutronix.de> (raw)
In-Reply-To: <1324303449-30045-4-git-send-email-robert.jarzmik@free.fr>
On Mon, Dec 19, 2011 at 03:04:04PM +0100, Robert Jarzmik wrote:
> Change NAND_WRITE into MTD_WRITE.
> Change "page_shift" references in the core, which are purely
> NAND, into mtd->writesize which is MTD generic.
> Rename all "info" (struct mtd_info) into "mtd".
>
> Beware, bisection is broken here as driver name changes from
> /dev/nand<N> into /dev/mtd<N>.
Indeed, this patch should be after the next one.
> ops.oobbuf = buf;
> ops.datbuf = NULL;
> - ops.len = info->oobsize;
> -
> - offset /= info->oobsize;
> - ret = info->read_oob(info, offset << chip->page_shift, &ops);
> + ops.len = mtd->oobsize;
> +
> + offset /= mtd->oobsize;
> + /*
> + * This seems suspicious, shouldn't it be :
> + * offset / mtd->oobsize * mtd->writesize
> + */
> + ret = mtd->read_oob(mtd, offset * mtd->writesize, &ops);
directly before this comment we have 'offset /= mtd->oobsize', so in fact
we really have 'offset / mtd->oobsize * mtd->writesize'.
Sascha
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next prev parent reply other threads:[~2011-12-21 11:25 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-19 14:04 [PATCH V3 0/8] mtd framework rework Robert Jarzmik
2011-12-19 14:04 ` [PATCH V3 1/8] drivers/mtd: move nand.c into core.c Robert Jarzmik
2011-12-19 14:04 ` [PATCH V3 2/8] drivers/mtd: cosmetic changes Robert Jarzmik
2011-12-21 11:00 ` Sascha Hauer
2011-12-21 21:27 ` Robert Jarzmik
2011-12-19 14:04 ` [PATCH V3 3/8] drivers/mtd: transfer NAND notions to MTD core Robert Jarzmik
2011-12-21 11:25 ` Sascha Hauer [this message]
2011-12-19 14:04 ` [PATCH V3 4/8] drivers/mtd: recover NAND default device name "nand" Robert Jarzmik
2011-12-19 14:04 ` [PATCH V3 5/8] drivers/mtd: fix core multiple MTD registrations Robert Jarzmik
2011-12-19 14:04 ` [PATCH V3 6/8] drivers/mtd: add mtd core hooks Robert Jarzmik
2011-12-19 14:04 ` [PATCH V3 7/8] drivers/mtd: split mtd mtdoob devices Robert Jarzmik
2011-12-21 11:32 ` Sascha Hauer
2011-12-21 21:28 ` Robert Jarzmik
2011-12-19 14:04 ` [PATCH V3 8/8] drivers/mtd: add the mtdraw device (data+oob) Robert Jarzmik
2011-12-21 10:59 ` [PATCH V3 0/8] mtd framework rework Sascha Hauer
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