From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from www.tglx.de ([62.245.132.106]) by canuck.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1Prppz-0005aS-JT for linux-mtd@lists.infradead.org; Tue, 22 Feb 2011 10:51:24 +0000 To: David Woodhouse Subject: [PATCH 1/1] omap3: nand: report corrected ecc errors From: John Ogness Date: Tue, 22 Feb 2011 11:50:56 +0100 Message-ID: <87oc64qr5b.fsf@vostro.fn.ogness.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: John Ogness The number of corrected ECC errors should be reported since other MTD systems make use of this information (such as UBI data scrubbing). Signed-off-by: John Ogness --- Patch against linux-next-20110221. drivers/mtd/nand/omap2.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 4e33972..a58465c 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -773,7 +773,7 @@ static int omap_compare_ecc(u8 *ecc_data1, /* read from NAND memory */ page_data[find_byte] ^= (1 << find_bit); - return 0; + return 1; default: if (isEccFF) { if (ecc_data2[0] == 0 && @@ -803,6 +803,7 @@ static int omap_correct_data(struct mtd_info *mtd, u_char *dat, struct omap_nand_info *info = container_of(mtd, struct omap_nand_info, mtd); int blockCnt = 0, i = 0, ret = 0; + int stat = 0; /* Ex NAND_ECC_HW12_2048 */ if ((info->nand.ecc.mode == NAND_ECC_HW) && @@ -816,12 +817,13 @@ static int omap_correct_data(struct mtd_info *mtd, u_char *dat, ret = omap_compare_ecc(read_ecc, calc_ecc, dat); if (ret < 0) return ret; + stat += ret; } read_ecc += 3; calc_ecc += 3; dat += 512; } - return 0; + return stat; } /** -- 1.5.6.5