From patchwork Thu May 28 11:31:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 11575707 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 983B090 for ; Thu, 28 May 2020 11:41:50 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5A34E20888 for ; Thu, 28 May 2020 11:41:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="APmtJZAm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A34E20888 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=GEqUMmU78rrs3bQkJIr56yBMbHVC+T8oejxAYFSTHkM=; b=APmtJZAm0eVajA uAcS8thhWTYFWGYD/hvIUsKMjMd5FBdJdri7CfwbuV/0rZtEck4PYFUuUCl9uKb8vIHc/tzJ5Y0/i 8FmX61Wyv39ldcBmefA0UpZa7lbzMskBtzNt5HgwKem3kgxVM5yeFtn7cHJq61cPJftBLUiwPvawc JH3ShOJ5HZWTTVukJ+U42jTIFtC8hhxu1UeM1VBcE60lcICO26sHytFYYBkCIgwEE1Z5YN9fmbQVF Q+m6z42eENd4evuYceCJWubE9Rm3vJmoxccz2R0Cw391jwJ0IjgSngoex1NNNpFadeVoQQBS0LsGI sln/+G+8Atctpjgq1F5Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeGuu-0006yy-PT; Thu, 28 May 2020 11:41:44 +0000 Received: from relay12.mail.gandi.net ([217.70.178.232]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeGlN-0001kL-Tf; Thu, 28 May 2020 11:32:00 +0000 Received: from localhost.localdomain (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 697ED20000A; Thu, 28 May 2020 11:31:50 +0000 (UTC) From: Miquel Raynal To: Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , , Rob Herring , Mark Rutland , Subject: [PATCH v6 16/18] mtd: nand: Convert generic NAND bits to use the ECC framework Date: Thu, 28 May 2020 13:31:11 +0200 Message-Id: <20200528113113.9166-17-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200528113113.9166-1-miquel.raynal@bootlin.com> References: <20200528113113.9166-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200528_043154_268871_C2C06D83 X-CRM114-Status: GOOD ( 21.08 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [217.70.178.232 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [217.70.178.232 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Julien Su , Weijie Gao , Paul Cercueil , Boris Brezillon , Thomas Petazzoni , Miquel Raynal , Mason Yang , Chuanhong Guo , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Embed a generic NAND ECC high-level object in the nand_device structure to carry all the ECC engine configuration/data. Adapt the raw NAND and SPI-NAND cores to fit the change. Signed-off-by: Miquel Raynal --- drivers/mtd/nand/Kconfig | 1 + drivers/mtd/nand/raw/atmel/nand-controller.c | 9 +++-- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 7 ++-- drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 12 +++--- drivers/mtd/nand/raw/marvell_nand.c | 7 ++-- drivers/mtd/nand/raw/mtk_nand.c | 4 +- drivers/mtd/nand/raw/nand_base.c | 25 ++++++------ drivers/mtd/nand/raw/nand_esmt.c | 11 +++--- drivers/mtd/nand/raw/nand_hynix.c | 41 ++++++++++---------- drivers/mtd/nand/raw/nand_jedec.c | 4 +- drivers/mtd/nand/raw/nand_micron.c | 14 ++++--- drivers/mtd/nand/raw/nand_onfi.c | 8 ++-- drivers/mtd/nand/raw/nand_samsung.c | 19 ++++----- drivers/mtd/nand/raw/nand_toshiba.c | 11 +++--- drivers/mtd/nand/raw/sunxi_nand.c | 5 ++- drivers/mtd/nand/raw/tegra_nand.c | 9 +++-- drivers/mtd/nand/spi/core.c | 8 ++-- drivers/mtd/nand/spi/macronix.c | 6 +-- drivers/mtd/nand/spi/toshiba.c | 6 +-- include/linux/mtd/nand.h | 8 ++-- 20 files changed, 115 insertions(+), 100 deletions(-) diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index a4478ffa279d..3327d8539a73 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -13,6 +13,7 @@ menu "ECC engine support" config MTD_NAND_ECC bool + select MTD_NAND_CORE endmenu diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c index 85cf396731ce..2ebcf3087d8d 100644 --- a/drivers/mtd/nand/raw/atmel/nand-controller.c +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c @@ -1043,6 +1043,7 @@ static int atmel_hsmc_nand_pmecc_read_page_raw(struct nand_chip *chip, static int atmel_nand_pmecc_init(struct nand_chip *chip) { + struct nand_ecc_props *requirements = &chip->base.ecc.requirements; struct mtd_info *mtd = nand_to_mtd(chip); struct atmel_nand *nand = to_atmel_nand(chip); struct atmel_nand_controller *nc; @@ -1072,15 +1073,15 @@ static int atmel_nand_pmecc_init(struct nand_chip *chip) req.ecc.strength = ATMEL_PMECC_MAXIMIZE_ECC_STRENGTH; else if (chip->ecc.strength) req.ecc.strength = chip->ecc.strength; - else if (chip->base.eccreq.strength) - req.ecc.strength = chip->base.eccreq.strength; + else if (requirements->strength) + req.ecc.strength = requirements->strength; else req.ecc.strength = ATMEL_PMECC_MAXIMIZE_ECC_STRENGTH; if (chip->ecc.size) req.ecc.sectorsize = chip->ecc.size; - else if (chip->base.eccreq.step_size) - req.ecc.sectorsize = chip->base.eccreq.step_size; + else if (requirements->step_size) + req.ecc.sectorsize = requirements->step_size; else req.ecc.sectorsize = ATMEL_PMECC_SECTOR_SIZE_AUTO; diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index 164617b33942..40f6d107ffa2 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -2563,10 +2563,11 @@ static int brcmnand_setup_dev(struct brcmnand_host *host) if (chip->ecc.engine_type != NAND_ECC_ENGINE_TYPE_NONE && (!chip->ecc.size || !chip->ecc.strength)) { - if (chip->base.eccreq.step_size && chip->base.eccreq.strength) { + if (chip->base.ecc.requirements.step_size && + chip->base.ecc.requirements.strength) { /* use detected ECC parameters */ - chip->ecc.size = chip->base.eccreq.step_size; - chip->ecc.strength = chip->base.eccreq.strength; + chip->ecc.size = chip->base.ecc.requirements.step_size; + chip->ecc.strength = chip->base.ecc.requirements.strength; dev_info(ctrl->dev, "Using ECC step-size %d, strength %d\n", chip->ecc.size, chip->ecc.strength); } diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c index d1ea6df9fd64..5f56570ce04d 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c @@ -272,8 +272,8 @@ static int set_geometry_by_ecc_info(struct gpmi_nand_data *this, default: dev_err(this->dev, "unsupported nand chip. ecc bits : %d, ecc size : %d\n", - chip->base.eccreq.strength, - chip->base.eccreq.step_size); + chip->base.ecc.requirements.strength, + chip->base.ecc.requirements.step_size); return -EINVAL; } geo->ecc_chunk_size = ecc_step; @@ -517,13 +517,13 @@ static int common_nfc_set_geometry(struct gpmi_nand_data *this) if ((of_property_read_bool(this->dev->of_node, "fsl,use-minimum-ecc")) || legacy_set_geometry(this)) { - if (!(chip->base.eccreq.strength > 0 && - chip->base.eccreq.step_size > 0)) + if (!(chip->base.ecc.requirements.strength > 0 && + chip->base.ecc.requirements.step_size > 0)) return -EINVAL; return set_geometry_by_ecc_info(this, - chip->base.eccreq.strength, - chip->base.eccreq.step_size); + chip->base.ecc.requirements.strength, + chip->base.ecc.requirements.step_size); } return 0; diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index f9cc03c11deb..e7a269461a6d 100644 --- a/drivers/mtd/nand/raw/marvell_nand.c +++ b/drivers/mtd/nand/raw/marvell_nand.c @@ -2244,14 +2244,15 @@ static int marvell_nand_ecc_init(struct mtd_info *mtd, struct nand_ecc_ctrl *ecc) { struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_ecc_props *requirements = &chip->base.ecc.requirements; struct marvell_nfc *nfc = to_marvell_nfc(chip->controller); int ret; if (ecc->engine_type != NAND_ECC_ENGINE_TYPE_NONE && (!ecc->size || !ecc->strength)) { - if (chip->base.eccreq.step_size && chip->base.eccreq.strength) { - ecc->size = chip->base.eccreq.step_size; - ecc->strength = chip->base.eccreq.strength; + if (requirements->step_size && requirements->strength) { + ecc->size = requirements->step_size; + ecc->strength = requirements->strength; } else { dev_info(nfc->dev, "No minimum ECC strength, using 1b/512B\n"); diff --git a/drivers/mtd/nand/raw/mtk_nand.c b/drivers/mtd/nand/raw/mtk_nand.c index a0294c9161dd..1f8dbae38286 100644 --- a/drivers/mtd/nand/raw/mtk_nand.c +++ b/drivers/mtd/nand/raw/mtk_nand.c @@ -1234,8 +1234,8 @@ static int mtk_nfc_ecc_init(struct device *dev, struct mtd_info *mtd) /* if optional dt settings not present */ if (!nand->ecc.size || !nand->ecc.strength) { /* use datasheet requirements */ - nand->ecc.strength = nand->base.eccreq.strength; - nand->ecc.size = nand->base.eccreq.step_size; + nand->ecc.strength = nand->base.ecc.requirements.strength; + nand->ecc.size = nand->base.ecc.requirements.step_size; /* * align eccstrength and eccsize diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 1ce2cbe72e4c..bc2d5d2e8f4c 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -4746,8 +4746,8 @@ static bool find_full_id_nand(struct nand_chip *chip, memorg->pagesize * memorg->pages_per_eraseblock); chip->options |= type->options; - chip->base.eccreq.strength = NAND_ECC_STRENGTH(type); - chip->base.eccreq.step_size = NAND_ECC_STEP(type); + chip->base.ecc.requirements.strength = NAND_ECC_STRENGTH(type); + chip->base.ecc.requirements.step_size = NAND_ECC_STEP(type); chip->onfi_timing_mode_default = type->onfi_timing_mode_default; @@ -5485,8 +5485,8 @@ nand_match_ecc_req(struct nand_chip *chip, { struct mtd_info *mtd = nand_to_mtd(chip); const struct nand_ecc_step_info *stepinfo; - int req_step = chip->base.eccreq.step_size; - int req_strength = chip->base.eccreq.strength; + int req_step = chip->base.ecc.requirements.step_size; + int req_strength = chip->base.ecc.requirements.strength; int req_corr, step_size, strength, nsteps, ecc_bytes, ecc_bytes_total; int best_step, best_strength, best_ecc_bytes; int best_ecc_bytes_total = INT_MAX; @@ -5677,9 +5677,10 @@ static bool nand_ecc_strength_good(struct nand_chip *chip) { struct mtd_info *mtd = nand_to_mtd(chip); struct nand_ecc_ctrl *ecc = &chip->ecc; + struct nand_ecc_props *requirements = &chip->base.ecc.requirements; int corr, ds_corr; - if (ecc->size == 0 || chip->base.eccreq.step_size == 0) + if (ecc->size == 0 || requirements->step_size == 0) /* Not enough information */ return true; @@ -5688,10 +5689,10 @@ static bool nand_ecc_strength_good(struct nand_chip *chip) * the correction density. */ corr = (mtd->writesize * ecc->strength) / ecc->size; - ds_corr = (mtd->writesize * chip->base.eccreq.strength) / - chip->base.eccreq.step_size; + ds_corr = (mtd->writesize * requirements->strength) / + requirements->step_size; - return corr >= ds_corr && ecc->strength >= chip->base.eccreq.strength; + return corr >= ds_corr && ecc->strength >= requirements->strength; } static int rawnand_erase(struct nand_device *nand, const struct nand_pos *pos) @@ -5977,9 +5978,11 @@ static int nand_scan_tail(struct nand_chip *chip) /* ECC sanity check: warn if it's too weak */ if (!nand_ecc_strength_good(chip)) pr_warn("WARNING: %s: the ECC used on your system (%db/%dB) is too weak compared to the one required by the NAND chip (%db/%dB)\n", - mtd->name, chip->ecc.strength, chip->ecc.size, - chip->base.eccreq.strength, - chip->base.eccreq.step_size); + mtd->name, + chip->base.ecc.ctx.conf.strength, + chip->base.ecc.ctx.conf.step_size, + chip->base.ecc.requirements.strength, + chip->base.ecc.requirements.step_size); /* Allow subpage writes up to ecc.steps. Not possible for MLC flash */ if (!(chip->options & NAND_NO_SUBPAGE_WRITE) && nand_is_slc(chip)) { diff --git a/drivers/mtd/nand/raw/nand_esmt.c b/drivers/mtd/nand/raw/nand_esmt.c index 3338c68aaaf1..11f25ec3e4fc 100644 --- a/drivers/mtd/nand/raw/nand_esmt.c +++ b/drivers/mtd/nand/raw/nand_esmt.c @@ -10,24 +10,25 @@ static void esmt_nand_decode_id(struct nand_chip *chip) { + struct nand_ecc_props *requirements = &chip->base.ecc.requirements; nand_decode_ext_id(chip); /* Extract ECC requirements from 5th id byte. */ if (chip->id.len >= 5 && nand_is_slc(chip)) { - chip->base.eccreq.step_size = 512; + requirements->step_size = 512; switch (chip->id.data[4] & 0x3) { case 0x0: - chip->base.eccreq.strength = 4; + requirements->strength = 4; break; case 0x1: - chip->base.eccreq.strength = 2; + requirements->strength = 2; break; case 0x2: - chip->base.eccreq.strength = 1; + requirements->strength = 1; break; default: WARN(1, "Could not get ECC info"); - chip->base.eccreq.step_size = 0; + requirements->step_size = 0; break; } } diff --git a/drivers/mtd/nand/raw/nand_hynix.c b/drivers/mtd/nand/raw/nand_hynix.c index 7caedaa5b9e5..bac7732a86e9 100644 --- a/drivers/mtd/nand/raw/nand_hynix.c +++ b/drivers/mtd/nand/raw/nand_hynix.c @@ -495,34 +495,35 @@ static void hynix_nand_extract_oobsize(struct nand_chip *chip, static void hynix_nand_extract_ecc_requirements(struct nand_chip *chip, bool valid_jedecid) { + struct nand_ecc_props *requirements = &chip->base.ecc.requirements; u8 ecc_level = (chip->id.data[4] >> 4) & 0x7; if (valid_jedecid) { /* Reference: H27UCG8T2E datasheet */ - chip->base.eccreq.step_size = 1024; + requirements->step_size = 1024; switch (ecc_level) { case 0: - chip->base.eccreq.step_size = 0; - chip->base.eccreq.strength = 0; + requirements->step_size = 0; + requirements->strength = 0; break; case 1: - chip->base.eccreq.strength = 4; + requirements->strength = 4; break; case 2: - chip->base.eccreq.strength = 24; + requirements->strength = 24; break; case 3: - chip->base.eccreq.strength = 32; + requirements->strength = 32; break; case 4: - chip->base.eccreq.strength = 40; + requirements->strength = 40; break; case 5: - chip->base.eccreq.strength = 50; + requirements->strength = 50; break; case 6: - chip->base.eccreq.strength = 60; + requirements->strength = 60; break; default: /* @@ -543,14 +544,14 @@ static void hynix_nand_extract_ecc_requirements(struct nand_chip *chip, if (nand_tech < 3) { /* > 26nm, reference: H27UBG8T2A datasheet */ if (ecc_level < 5) { - chip->base.eccreq.step_size = 512; - chip->base.eccreq.strength = 1 << ecc_level; + requirements->step_size = 512; + requirements->strength = 1 << ecc_level; } else if (ecc_level < 7) { if (ecc_level == 5) - chip->base.eccreq.step_size = 2048; + requirements->step_size = 2048; else - chip->base.eccreq.step_size = 1024; - chip->base.eccreq.strength = 24; + requirements->step_size = 1024; + requirements->strength = 24; } else { /* * We should never reach this case, but if that @@ -563,14 +564,14 @@ static void hynix_nand_extract_ecc_requirements(struct nand_chip *chip, } else { /* <= 26nm, reference: H27UBG8T2B datasheet */ if (!ecc_level) { - chip->base.eccreq.step_size = 0; - chip->base.eccreq.strength = 0; + requirements->step_size = 0; + requirements->strength = 0; } else if (ecc_level < 5) { - chip->base.eccreq.step_size = 512; - chip->base.eccreq.strength = 1 << (ecc_level - 1); + requirements->step_size = 512; + requirements->strength = 1 << (ecc_level - 1); } else { - chip->base.eccreq.step_size = 1024; - chip->base.eccreq.strength = 24 + + requirements->step_size = 1024; + requirements->strength = 24 + (8 * (ecc_level - 5)); } } diff --git a/drivers/mtd/nand/raw/nand_jedec.c b/drivers/mtd/nand/raw/nand_jedec.c index b15c42f48755..5ed3656d88dd 100644 --- a/drivers/mtd/nand/raw/nand_jedec.c +++ b/drivers/mtd/nand/raw/nand_jedec.c @@ -120,8 +120,8 @@ int nand_jedec_detect(struct nand_chip *chip) ecc = &p->ecc_info[0]; if (ecc->codeword_size >= 9) { - chip->base.eccreq.strength = ecc->ecc_bits; - chip->base.eccreq.step_size = 1 << ecc->codeword_size; + chip->base.ecc.requirements.strength = ecc->ecc_bits; + chip->base.ecc.requirements.step_size = 1 << ecc->codeword_size; } else { pr_warn("Invalid codeword size\n"); } diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c index c8ebfd8c77a1..d1dc684ecd6c 100644 --- a/drivers/mtd/nand/raw/nand_micron.c +++ b/drivers/mtd/nand/raw/nand_micron.c @@ -413,6 +413,7 @@ enum { */ static int micron_supports_on_die_ecc(struct nand_chip *chip) { + struct nand_ecc_props *requirements = &chip->base.ecc.requirements; u8 id[5]; int ret; @@ -425,7 +426,7 @@ static int micron_supports_on_die_ecc(struct nand_chip *chip) /* * We only support on-die ECC of 4/512 or 8/512 */ - if (chip->base.eccreq.strength != 4 && chip->base.eccreq.strength != 8) + if (requirements->strength != 4 && requirements->strength != 8) return MICRON_ON_DIE_UNSUPPORTED; /* 0x2 means on-die ECC is available. */ @@ -466,7 +467,7 @@ static int micron_supports_on_die_ecc(struct nand_chip *chip) /* * We only support on-die ECC of 4/512 or 8/512 */ - if (chip->base.eccreq.strength != 4 && chip->base.eccreq.strength != 8) + if (requirements->strength != 4 && requirements->strength != 8) return MICRON_ON_DIE_UNSUPPORTED; return MICRON_ON_DIE_SUPPORTED; @@ -474,6 +475,7 @@ static int micron_supports_on_die_ecc(struct nand_chip *chip) static int micron_nand_init(struct nand_chip *chip) { + struct nand_ecc_props *requirements = &chip->base.ecc.requirements; struct mtd_info *mtd = nand_to_mtd(chip); struct micron_nand *micron; int ondie; @@ -523,7 +525,7 @@ static int micron_nand_init(struct nand_chip *chip) * That's not needed for 8-bit ECC, because the status expose * a better approximation of the number of bitflips in a page. */ - if (chip->base.eccreq.strength == 4) { + if (requirements->strength == 4) { micron->ecc.rawbuf = kmalloc(mtd->writesize + mtd->oobsize, GFP_KERNEL); @@ -533,16 +535,16 @@ static int micron_nand_init(struct nand_chip *chip) } } - if (chip->base.eccreq.strength == 4) + if (requirements->strength == 4) mtd_set_ooblayout(mtd, µn_nand_on_die_4_ooblayout_ops); else mtd_set_ooblayout(mtd, µn_nand_on_die_8_ooblayout_ops); - chip->ecc.bytes = chip->base.eccreq.strength * 2; + chip->ecc.bytes = requirements->strength * 2; chip->ecc.size = 512; - chip->ecc.strength = chip->base.eccreq.strength; + chip->ecc.strength = requirements->strength; chip->ecc.algo = NAND_ECC_ALGO_BCH; chip->ecc.read_page = micron_nand_read_page_on_die_ecc; chip->ecc.write_page = micron_nand_write_page_on_die_ecc; diff --git a/drivers/mtd/nand/raw/nand_onfi.c b/drivers/mtd/nand/raw/nand_onfi.c index be3456627288..c9ae29774c1f 100644 --- a/drivers/mtd/nand/raw/nand_onfi.c +++ b/drivers/mtd/nand/raw/nand_onfi.c @@ -94,8 +94,8 @@ static int nand_flash_detect_ext_param_page(struct nand_chip *chip, goto ext_out; } - chip->base.eccreq.strength = ecc->ecc_bits; - chip->base.eccreq.step_size = 1 << ecc->codeword_size; + chip->base.ecc.requirements.strength = ecc->ecc_bits; + chip->base.ecc.requirements.step_size = 1 << ecc->codeword_size; ret = 0; ext_out: @@ -265,8 +265,8 @@ int nand_onfi_detect(struct nand_chip *chip) chip->options |= NAND_BUSWIDTH_16; if (p->ecc_bits != 0xff) { - chip->base.eccreq.strength = p->ecc_bits; - chip->base.eccreq.step_size = 512; + chip->base.ecc.requirements.strength = p->ecc_bits; + chip->base.ecc.requirements.step_size = 512; } else if (onfi_version >= 21 && (le16_to_cpu(p->features) & ONFI_FEATURE_EXT_PARAM_PAGE)) { diff --git a/drivers/mtd/nand/raw/nand_samsung.c b/drivers/mtd/nand/raw/nand_samsung.c index 3a4a19e808f6..0ee85e88aeb5 100644 --- a/drivers/mtd/nand/raw/nand_samsung.c +++ b/drivers/mtd/nand/raw/nand_samsung.c @@ -10,6 +10,7 @@ static void samsung_nand_decode_id(struct nand_chip *chip) { + struct nand_ecc_props *requirements = &chip->base.ecc.requirements; struct mtd_info *mtd = nand_to_mtd(chip); struct nand_memory_organization *memorg; @@ -71,23 +72,23 @@ static void samsung_nand_decode_id(struct nand_chip *chip) /* Extract ECC requirements from 5th id byte*/ extid = (chip->id.data[4] >> 4) & 0x07; if (extid < 5) { - chip->base.eccreq.step_size = 512; - chip->base.eccreq.strength = 1 << extid; + requirements->step_size = 512; + requirements->strength = 1 << extid; } else { - chip->base.eccreq.step_size = 1024; + requirements->step_size = 1024; switch (extid) { case 5: - chip->base.eccreq.strength = 24; + requirements->strength = 24; break; case 6: - chip->base.eccreq.strength = 40; + requirements->strength = 40; break; case 7: - chip->base.eccreq.strength = 60; + requirements->strength = 60; break; default: WARN(1, "Could not decode ECC info"); - chip->base.eccreq.step_size = 0; + requirements->step_size = 0; } } } else { @@ -97,8 +98,8 @@ static void samsung_nand_decode_id(struct nand_chip *chip) switch (chip->id.data[1]) { /* K9F4G08U0D-S[I|C]B0(T00) */ case 0xDC: - chip->base.eccreq.step_size = 512; - chip->base.eccreq.strength = 1; + requirements->step_size = 512; + requirements->strength = 1; break; /* K9F1G08U0E 21nm chips do not support subpage write */ diff --git a/drivers/mtd/nand/raw/nand_toshiba.c b/drivers/mtd/nand/raw/nand_toshiba.c index 436ed90a90ad..1180068007a9 100644 --- a/drivers/mtd/nand/raw/nand_toshiba.c +++ b/drivers/mtd/nand/raw/nand_toshiba.c @@ -145,6 +145,7 @@ static void toshiba_nand_benand_init(struct nand_chip *chip) static void toshiba_nand_decode_id(struct nand_chip *chip) { + struct nand_ecc_props *requirements = &chip->base.ecc.requirements; struct mtd_info *mtd = nand_to_mtd(chip); struct nand_memory_organization *memorg; @@ -175,20 +176,20 @@ static void toshiba_nand_decode_id(struct nand_chip *chip) * - 24nm: 8 bit ECC for each 512Byte is required. */ if (chip->id.len >= 6 && nand_is_slc(chip)) { - chip->base.eccreq.step_size = 512; + requirements->step_size = 512; switch (chip->id.data[5] & 0x7) { case 0x4: - chip->base.eccreq.strength = 1; + requirements->strength = 1; break; case 0x5: - chip->base.eccreq.strength = 4; + requirements->strength = 4; break; case 0x6: - chip->base.eccreq.strength = 8; + requirements->strength = 8; break; default: WARN(1, "Could not get ECC info"); - chip->base.eccreq.step_size = 0; + requirements->step_size = 0; break; } } diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c index c6dd2e6d9ef8..a5eefdf89660 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -1732,6 +1732,7 @@ static void sunxi_nand_ecc_cleanup(struct nand_ecc_ctrl *ecc) static int sunxi_nand_attach_chip(struct nand_chip *nand) { + struct nand_ecc_props *requirements = &nand->base.ecc.requirements; struct nand_ecc_ctrl *ecc = &nand->ecc; struct device_node *np = nand_get_flash_node(nand); int ret; @@ -1745,8 +1746,8 @@ static int sunxi_nand_attach_chip(struct nand_chip *nand) nand->options |= NAND_SUBPAGE_READ; if (!ecc->size) { - ecc->size = nand->base.eccreq.step_size; - ecc->strength = nand->base.eccreq.strength; + ecc->size = requirements->step_size; + ecc->strength = requirements->strength; } if (!ecc->size || !ecc->strength) diff --git a/drivers/mtd/nand/raw/tegra_nand.c b/drivers/mtd/nand/raw/tegra_nand.c index 2325b06ccc9a..8264bb991d03 100644 --- a/drivers/mtd/nand/raw/tegra_nand.c +++ b/drivers/mtd/nand/raw/tegra_nand.c @@ -855,7 +855,7 @@ static int tegra_nand_get_strength(struct nand_chip *chip, const int *strength, } else { strength_sel = strength[i]; - if (strength_sel < chip->base.eccreq.strength) + if (strength_sel < chip->base.ecc.requirements.strength) continue; } @@ -908,6 +908,7 @@ static int tegra_nand_select_strength(struct nand_chip *chip, int oobsize) static int tegra_nand_attach_chip(struct nand_chip *chip) { struct tegra_nand_controller *ctrl = to_tegra_ctrl(chip->controller); + struct nand_ecc_props *requirements = &chip->base.ecc.requirements; struct tegra_nand_chip *nand = to_tegra_chip(chip); struct mtd_info *mtd = nand_to_mtd(chip); int bits_per_step; @@ -919,9 +920,9 @@ static int tegra_nand_attach_chip(struct nand_chip *chip) chip->ecc.engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST; chip->ecc.size = 512; chip->ecc.steps = mtd->writesize / chip->ecc.size; - if (chip->base.eccreq.step_size != 512) { + if (requirements->step_size != 512) { dev_err(ctrl->dev, "Unsupported step size %d\n", - chip->base.eccreq.step_size); + requirements->step_size); return -EINVAL; } @@ -952,7 +953,7 @@ static int tegra_nand_attach_chip(struct nand_chip *chip) if (ret < 0) { dev_err(ctrl->dev, "No valid strength found, minimum %d\n", - chip->base.eccreq.strength); + requirements->strength); return ret; } diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 6f6ec8aa143d..edc8ec2923d5 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -419,7 +419,7 @@ static int spinand_check_ecc_status(struct spinand_device *spinand, u8 status) * fixed, so let's return the maximum possible value so that * wear-leveling layers move the data immediately. */ - return nand->eccreq.strength; + return nand->ecc.ctx.conf.strength; case STATUS_ECC_UNCOR_ERROR: return -EBADMSG; @@ -903,7 +903,7 @@ int spinand_match_and_init(struct spinand_device *spinand, continue; nand->memorg = table[i].memorg; - nand->eccreq = table[i].eccreq; + nand->ecc.requirements = table[i].eccreq; spinand->eccinfo = table[i].eccinfo; spinand->flags = table[i].flags; spinand->id.len = 1 + table[i].devid.len; @@ -1091,8 +1091,8 @@ static int spinand_init(struct spinand_device *spinand) mtd->oobavail = ret; /* Propagate ECC information to mtd_info */ - mtd->ecc_strength = nand->eccreq.strength; - mtd->ecc_step_size = nand->eccreq.step_size; + mtd->ecc_strength = nand->ecc.ctx.conf.strength; + mtd->ecc_step_size = nand->ecc.ctx.conf.step_size; return 0; diff --git a/drivers/mtd/nand/spi/macronix.c b/drivers/mtd/nand/spi/macronix.c index 0f900f3aa21a..9db55828a995 100644 --- a/drivers/mtd/nand/spi/macronix.c +++ b/drivers/mtd/nand/spi/macronix.c @@ -84,10 +84,10 @@ static int mx35lf1ge4ab_ecc_get_status(struct spinand_device *spinand, * data around if it's not necessary. */ if (mx35lf1ge4ab_get_eccsr(spinand, &eccsr)) - return nand->eccreq.strength; + return nand->ecc.ctx.conf.strength; - if (WARN_ON(eccsr > nand->eccreq.strength || !eccsr)) - return nand->eccreq.strength; + if (WARN_ON(eccsr > nand->ecc.ctx.conf.strength || !eccsr)) + return nand->ecc.ctx.conf.strength; return eccsr; diff --git a/drivers/mtd/nand/spi/toshiba.c b/drivers/mtd/nand/spi/toshiba.c index bc801d83343e..c3e5b1a85e3e 100644 --- a/drivers/mtd/nand/spi/toshiba.c +++ b/drivers/mtd/nand/spi/toshiba.c @@ -90,12 +90,12 @@ static int tx58cxgxsxraix_ecc_get_status(struct spinand_device *spinand, * data around if it's not necessary. */ if (spi_mem_exec_op(spinand->spimem, &op)) - return nand->eccreq.strength; + return nand->ecc.ctx.conf.strength; mbf >>= 4; - if (WARN_ON(mbf > nand->eccreq.strength || !mbf)) - return nand->eccreq.strength; + if (WARN_ON(mbf > nand->ecc.ctx.conf.strength || !mbf)) + return nand->ecc.ctx.conf.strength; return mbf; diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 0be260fd2f86..ce936ffb9f42 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -292,7 +292,7 @@ struct nand_ecc { * struct nand_device - NAND device * @mtd: MTD instance attached to the NAND device * @memorg: memory layout - * @eccreq: ECC requirements + * @ecc: NAND ECC object attached to the NAND device * @rowconv: position to row address converter * @bbt: bad block table info * @ops: NAND operations attached to the NAND device @@ -300,8 +300,8 @@ struct nand_ecc { * Generic NAND object. Specialized NAND layers (raw NAND, SPI NAND, OneNAND) * should declare their own NAND object embedding a nand_device struct (that's * how inheritance is done). - * struct_nand_device->memorg and struct_nand_device->eccreq should be filled - * at device detection time to reflect the NAND device + * struct_nand_device->memorg and struct_nand_device->ecc.ctx.conf should + * be filled at device detection time to reflect the NAND device * capabilities/requirements. Once this is done nanddev_init() can be called. * It will take care of converting NAND information into MTD ones, which means * the specialized NAND layers should never manually tweak @@ -310,7 +310,7 @@ struct nand_ecc { struct nand_device { struct mtd_info mtd; struct nand_memory_organization memorg; - struct nand_ecc_props eccreq; + struct nand_ecc ecc; struct nand_row_converter rowconv; struct nand_bbt bbt; const struct nand_ops *ops;