From: Huang Shijie <b32955@freescale.com>
To: <dwmw2@infradead.org>
Cc: <dedekind1@gmail.com>, <computersforpeace@gmail.com>,
<linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
Huang Shijie <b32955@freescale.com>
Subject: [PATCH v5 03/11] mtd: get the ECC info from the parameter page for ONFI nand
Date: Wed, 15 May 2013 16:40:26 +0800 [thread overview]
Message-ID: <1368607232-2210-4-git-send-email-b32955@freescale.com> (raw)
In-Reply-To: <1368607232-2210-1-git-send-email-b32955@freescale.com>
>From the ONFI spec, we can just get the ECC info from the @ecc_bits field of
the parameter page.
Signed-off-by: Huang Shijie <b32955@freescale.com>
---
drivers/mtd/nand/nand_base.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index edc7663..15630ef 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2900,6 +2900,11 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
if (le16_to_cpu(p->features) & 1)
*busw = NAND_BUSWIDTH_16;
+ if (p->ecc_bits != 0xff) {
+ chip->ecc_strength = p->ecc_bits;
+ chip->ecc_step = 512;
+ }
+
pr_info("ONFI flash detected\n");
return 1;
}
--
1.7.1
next prev parent reply other threads:[~2013-05-15 8:58 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-15 8:40 [PATCH v5 00/11] mtd: add datasheet's ECC information to nand_chip{} Huang Shijie
2013-05-15 8:40 ` [PATCH v5 01/11] " Huang Shijie
2013-05-15 12:11 ` Artem Bityutskiy
2013-05-16 2:16 ` Huang Shijie
2013-05-16 7:14 ` Artem Bityutskiy
2013-05-16 8:06 ` Huang Shijie
2013-05-16 9:36 ` Artem Bityutskiy
2013-05-16 10:46 ` Huang Shijie
2013-05-15 8:40 ` [PATCH v5 02/11] mtd: increase max OOB size to 744 Huang Shijie
2013-05-15 12:12 ` Artem Bityutskiy
2013-05-15 8:40 ` Huang Shijie [this message]
2013-05-15 8:40 ` [PATCH v5 04/11] mtd: add data structures for Extended Parameter Page Huang Shijie
2013-05-15 8:40 ` [PATCH v5 05/11] mtd: add a helper to get the supported features for ONFI nand Huang Shijie
2013-05-15 8:40 ` [PATCH v5 06/11] mtd: get the ECC info from the Extended Parameter Page Huang Shijie
2013-05-15 8:40 ` [PATCH v5 07/11] mtd: replace the hardcode with the onfi_feature() Huang Shijie
2013-05-15 8:40 ` [PATCH v5 08/11] mtd: add ECC info for nand_flash_dev{} Huang Shijie
2013-05-15 8:40 ` [PATCH v5 09/11] mtd: parse out the ECC info for the full-id nand chips Huang Shijie
2013-05-15 8:54 ` [PATCH v5 10/11] mtd: add the ecc info for some " Huang Shijie
2013-05-15 8:54 ` [PATCH v5 11/11] mtd: gpmi: set the BCH's geometry with the ecc info Huang Shijie
2013-05-15 10:05 ` [PATCH v5 00/11] mtd: add datasheet's ECC information to nand_chip{} Artem Bityutskiy
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