From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6AFEC282D9 for ; Wed, 30 Jan 2019 13:01:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BA478218AC for ; Wed, 30 Jan 2019 13:01:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730999AbfA3NBx convert rfc822-to-8bit (ORCPT ); Wed, 30 Jan 2019 08:01:53 -0500 Received: from skedge03.snt-world.com ([91.208.41.68]:43684 "EHLO skedge03.snt-world.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730956AbfA3NBw (ORCPT ); Wed, 30 Jan 2019 08:01:52 -0500 Received: from sntmail10s.snt-is.com (unknown [10.203.32.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by skedge03.snt-world.com (Postfix) with ESMTPS id 9A0F267BC90; Wed, 30 Jan 2019 14:01:47 +0100 (CET) Received: from sntmail12r.snt-is.com (10.203.32.182) by sntmail10s.snt-is.com (10.203.32.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1466.3; Wed, 30 Jan 2019 14:01:47 +0100 Received: from sntmail12r.snt-is.com ([fe80::e551:8750:7bba:3305]) by sntmail12r.snt-is.com ([fe80::e551:8750:7bba:3305%5]) with mapi id 15.01.1466.003; Wed, 30 Jan 2019 14:01:47 +0100 From: Schrempf Frieder To: "bbrezillon@kernel.org" , "miquel.raynal@bootlin.com" , "richard@nod.at" , David Woodhouse , Brian Norris , Marek Vasut CC: "linux-mtd@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "Schrempf Frieder" Subject: [PATCH v3 2/5] mtd: nand: Make flags for bad block marker position more granular Thread-Topic: [PATCH v3 2/5] mtd: nand: Make flags for bad block marker position more granular Thread-Index: AQHUuJv0DXEVjlBes0W0HKgB0AbanQ== Date: Wed, 30 Jan 2019 13:01:47 +0000 Message-ID: <20190130130111.32724-3-frieder.schrempf@kontron.de> References: <20190130130111.32724-1-frieder.schrempf@kontron.de> In-Reply-To: <20190130130111.32724-1-frieder.schrempf@kontron.de> Accept-Language: de-DE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.25.9.43] x-c2processedorg: 51b406b7-48a2-4d03-b652-521f56ac89f3 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-SnT-MailScanner-Information: Please contact the ISP for more information X-SnT-MailScanner-ID: 9A0F267BC90.A03AE X-SnT-MailScanner: Not scanned: please contact your Internet E-Mail Service Provider for details X-SnT-MailScanner-SpamCheck: X-SnT-MailScanner-From: frieder.schrempf@kontron.de X-SnT-MailScanner-To: bbrezillon@kernel.org, computersforpeace@gmail.com, dwmw2@infradead.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, marek.vasut@gmail.com, miquel.raynal@bootlin.com, richard@nod.at Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Frieder Schrempf To be able to check and set bad block markers in the first and second page of a block independently of each other, we create separate flags for both cases. Previously NAND_BBM_SECONDPAGE meant, that both, the first and the second page were used. With this patch NAND_BBM_FIRSTPAGE stands for using the first page and NAND_BBM_SECONDPAGE for using the second page. This patch is only for preparation of subsequent changes and does not implement the logic to actually handle both flags separately. Signed-off-by: Frieder Schrempf --- drivers/mtd/nand/raw/nand_amd.c | 2 +- drivers/mtd/nand/raw/nand_base.c | 6 ++++-- drivers/mtd/nand/raw/nand_bbt.c | 3 ++- drivers/mtd/nand/raw/nand_esmt.c | 2 +- drivers/mtd/nand/raw/nand_hynix.c | 2 +- drivers/mtd/nand/raw/nand_macronix.c | 2 +- drivers/mtd/nand/raw/nand_micron.c | 2 +- drivers/mtd/nand/raw/nand_samsung.c | 2 +- drivers/mtd/nand/raw/nand_toshiba.c | 2 +- drivers/mtd/nand/raw/sh_flctl.c | 2 +- include/linux/mtd/rawnand.h | 1 + 11 files changed, 15 insertions(+), 11 deletions(-) diff --git a/drivers/mtd/nand/raw/nand_amd.c b/drivers/mtd/nand/raw/nand_amd.c index 6e248bdcc797..6202cbf7ee8d 100644 --- a/drivers/mtd/nand/raw/nand_amd.c +++ b/drivers/mtd/nand/raw/nand_amd.c @@ -40,7 +40,7 @@ static void amd_nand_decode_id(struct nand_chip *chip) static int amd_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) - chip->options |= NAND_BBM_SECONDPAGE; + chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; return 0; } diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index c6199cc68d2f..9ef7b86cdc42 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -302,7 +302,8 @@ static int nand_block_bad(struct nand_chip *chip, loff_t ofs) ofs += mtd->erasesize - mtd->writesize; page = (int)(ofs >> chip->page_shift) & chip->pagemask; - page_end = page + ((chip->options & NAND_BBM_SECONDPAGE) ? 2 : 1); + page_end = page + (((chip->options & NAND_BBM_FIRSTPAGE) && + (chip->options & NAND_BBM_SECONDPAGE)) ? 2 : 1); for (; page < page_end; page++) { res = chip->ecc.read_oob(chip, page); @@ -550,7 +551,8 @@ static int nand_default_block_markbad(struct nand_chip *chip, loff_t ofs) i++; ofs += mtd->writesize; - } while ((chip->options & NAND_BBM_SECONDPAGE) && i < 2); + } while ((chip->options & NAND_BBM_FIRSTPAGE) && + (chip->options & NAND_BBM_SECONDPAGE) && i < 2); return ret; } diff --git a/drivers/mtd/nand/raw/nand_bbt.c b/drivers/mtd/nand/raw/nand_bbt.c index 862eaa3a0552..c095c04d566d 100644 --- a/drivers/mtd/nand/raw/nand_bbt.c +++ b/drivers/mtd/nand/raw/nand_bbt.c @@ -466,7 +466,8 @@ static int create_bbt(struct nand_chip *this, uint8_t *buf, pr_info("Scanning device for bad blocks\n"); - if (this->options & NAND_BBM_SECONDPAGE) + if ((this->options & NAND_BBM_FIRSTPAGE) && + (this->options & NAND_BBM_SECONDPAGE)) numpages = 2; else numpages = 1; diff --git a/drivers/mtd/nand/raw/nand_esmt.c b/drivers/mtd/nand/raw/nand_esmt.c index 80d2d3a1b5f2..99a8092969a7 100644 --- a/drivers/mtd/nand/raw/nand_esmt.c +++ b/drivers/mtd/nand/raw/nand_esmt.c @@ -36,7 +36,7 @@ static void esmt_nand_decode_id(struct nand_chip *chip) static int esmt_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) - chip->options |= NAND_BBM_SECONDPAGE; + chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; return 0; } diff --git a/drivers/mtd/nand/raw/nand_hynix.c b/drivers/mtd/nand/raw/nand_hynix.c index 2789bf3857c9..e685d70c1618 100644 --- a/drivers/mtd/nand/raw/nand_hynix.c +++ b/drivers/mtd/nand/raw/nand_hynix.c @@ -674,7 +674,7 @@ static int hynix_nand_init(struct nand_chip *chip) if (!nand_is_slc(chip)) chip->options |= NAND_BBM_LASTPAGE; else - chip->options |= NAND_BBM_SECONDPAGE; + chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; hynix = kzalloc(sizeof(*hynix), GFP_KERNEL); if (!hynix) diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c index 6db7ced4b96b..e287e71347c5 100644 --- a/drivers/mtd/nand/raw/nand_macronix.c +++ b/drivers/mtd/nand/raw/nand_macronix.c @@ -62,7 +62,7 @@ static void macronix_nand_fix_broken_get_timings(struct nand_chip *chip) static int macronix_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) - chip->options |= NAND_BBM_SECONDPAGE; + chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; macronix_nand_fix_broken_get_timings(chip); diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c index ea6b6e80d6f8..ca80e09783c7 100644 --- a/drivers/mtd/nand/raw/nand_micron.c +++ b/drivers/mtd/nand/raw/nand_micron.c @@ -448,7 +448,7 @@ static int micron_nand_init(struct nand_chip *chip) goto err_free_manuf_data; if (mtd->writesize == 2048) - chip->options |= NAND_BBM_SECONDPAGE; + chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; ondie = micron_supports_on_die_ecc(chip); diff --git a/drivers/mtd/nand/raw/nand_samsung.c b/drivers/mtd/nand/raw/nand_samsung.c index 3be737139210..ace50522dd19 100644 --- a/drivers/mtd/nand/raw/nand_samsung.c +++ b/drivers/mtd/nand/raw/nand_samsung.c @@ -123,7 +123,7 @@ static int samsung_nand_init(struct nand_chip *chip) if (!nand_is_slc(chip)) chip->options |= NAND_BBM_LASTPAGE; else - chip->options |= NAND_BBM_SECONDPAGE; + chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; return 0; } diff --git a/drivers/mtd/nand/raw/nand_toshiba.c b/drivers/mtd/nand/raw/nand_toshiba.c index 222a66bf0aa6..0031e6727193 100644 --- a/drivers/mtd/nand/raw/nand_toshiba.c +++ b/drivers/mtd/nand/raw/nand_toshiba.c @@ -147,7 +147,7 @@ static void toshiba_nand_decode_id(struct nand_chip *chip) static int toshiba_nand_init(struct nand_chip *chip) { if (nand_is_slc(chip)) - chip->options |= NAND_BBM_SECONDPAGE; + chip->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; /* Check that chip is BENAND and ECC mode is on-die */ if (nand_is_slc(chip) && chip->ecc.mode == NAND_ECC_ON_DIE && diff --git a/drivers/mtd/nand/raw/sh_flctl.c b/drivers/mtd/nand/raw/sh_flctl.c index 2017b00fadd8..971d9afd55e5 100644 --- a/drivers/mtd/nand/raw/sh_flctl.c +++ b/drivers/mtd/nand/raw/sh_flctl.c @@ -1176,7 +1176,7 @@ static int flctl_probe(struct platform_device *pdev) if (pdata->flcmncr_val & SEL_16BIT) nand->options |= NAND_BUSWIDTH_16; - nand->options |= NAND_BBM_SECONDPAGE; + nand->options |= NAND_BBM_FIRSTPAGE | NAND_BBM_SECONDPAGE; pm_runtime_enable(&pdev->dev); pm_runtime_resume(&pdev->dev); diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index da785d92e26e..23ad4ad790af 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -176,6 +176,7 @@ enum nand_ecc_algo { * Position within the block: Each of these pages needs to be checked for a * bad block marking pattern. */ +#define NAND_BBM_FIRSTPAGE 0x01000000 #define NAND_BBM_SECONDPAGE 0x02000000 #define NAND_BBM_LASTPAGE 0x04000000 -- 2.17.1