Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758655Ab3EOJCr (ORCPT ); Wed, 15 May 2013 05:02:47 -0400 Received: from va3ehsobe004.messaging.microsoft.com ([216.32.180.14]:25501 "EHLO va3outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751699Ab3EOJCp (ORCPT ); Wed, 15 May 2013 05:02:45 -0400 X-Forefront-Antispam-Report: CIP:70.37.183.190;KIP:(null);UIP:(null);IPV:NLI;H:mail.freescale.net;RD:none;EFVD:NLI X-SpamScore: 3 X-BigFish: VS3(zzzz1f42h1ee6h1de0h1fdah1202h1e76h1d1ah1d2ah1fc6h1082kzz8275bhz2dh2a8h668h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1d0ch1d2eh1d3fh1155h) From: Huang Shijie To: CC: , , , , Huang Shijie Subject: [PATCH v2 2/4] mtd: add a new sys node to show the ecc step size Date: Wed, 15 May 2013 16:46:44 +0800 Message-ID: <1368607606-4344-3-git-send-email-b32955@freescale.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1368607606-4344-1-git-send-email-b32955@freescale.com> References: <1368607606-4344-1-git-send-email-b32955@freescale.com> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: freescale.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1424 Lines: 47 Add a new sys node to show the ecc step size. The application then can uses this node to get the ecc step size. Signed-off-by: Huang Shijie --- drivers/mtd/mtdcore.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index c400c57..63903b9 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -285,6 +285,16 @@ static DEVICE_ATTR(bitflip_threshold, S_IRUGO | S_IWUSR, mtd_bitflip_threshold_show, mtd_bitflip_threshold_store); +static ssize_t mtd_ecc_step_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct mtd_info *mtd = dev_get_drvdata(dev); + + return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->ecc_step); + +} +static DEVICE_ATTR(ecc_step, S_IRUGO, mtd_ecc_step_show, NULL); + static struct attribute *mtd_attrs[] = { &dev_attr_type.attr, &dev_attr_flags.attr, @@ -296,6 +306,7 @@ static struct attribute *mtd_attrs[] = { &dev_attr_numeraseregions.attr, &dev_attr_name.attr, &dev_attr_ecc_strength.attr, + &dev_attr_ecc_step.attr, &dev_attr_bitflip_threshold.attr, NULL, }; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/