From patchwork Thu Feb 21 09:27:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 10823355 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2B6E66C2 for ; Thu, 21 Feb 2019 09:28:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 177B82FE5B for ; Thu, 21 Feb 2019 09:28:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0B25B30266; Thu, 21 Feb 2019 09:28:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5E3882FE5B for ; Thu, 21 Feb 2019 09:28:05 +0000 (UTC) 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=WMfYslk+9EN/iF6tHFmvig585hHe5b3//whAi/R0/QQ=; b=vBhmZeiEaT5CHN oaWHnzuAFYy1sS9yljvH2rzGhmExOKndO08ljz7wb+TnYufHryXU96RoOZn2LPaKS8YkUiycYbdIc QqK/vTEYXdyCt6xMGMfZIr1tpIK1CkuKfHxjVQXYEzF++t1fve3nJSPDWq3Xe7k57orYH+EfaXSns AAZmoN4m59H73qGhQgro/3tkQglpO7CgvXqvwIFGBO5iVRgP+kHT09EtUCbzm8WxpLJEy3ak5rWEY 9DWrXKaCakAr/HWoMkav9JxH5FODqZd94b0wndLU9+2/BOGSdBFmTwOUCpSY1CQX/yNIjQUZtBW6b 75ZnjrXPbHLu/iyFktRg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gwkeA-0004MG-4Y; Thu, 21 Feb 2019 09:28:02 +0000 Received: from relay2-d.mail.gandi.net ([217.70.183.194]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gwkdz-00047s-Cy; Thu, 21 Feb 2019 09:27:53 +0000 X-Originating-IP: 90.88.23.190 Received: from localhost.localdomain (aaubervilliers-681-1-81-190.w90-88.abo.wanadoo.fr [90.88.23.190]) (Authenticated sender: miquel.raynal@bootlin.com) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id 0B7834001C; Thu, 21 Feb 2019 09:27:43 +0000 (UTC) From: Miquel Raynal To: Boris Brezillon , Richard Weinberger , David Woodhouse , Brian Norris , Marek Vasut , Tudor Ambarus Subject: [PATCH 3/6] mtd: nand: Clarify Kconfig entry for software Hamming ECC entries Date: Thu, 21 Feb 2019 10:27:30 +0100 Message-Id: <20190221092734.21634-4-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190221092734.21634-1-miquel.raynal@bootlin.com> References: <20190221092734.21634-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190221_012751_744811_48893F81 X-CRM114-Status: GOOD ( 14.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vignesh R , Tudor Ambarus , Julien Su , linux-mtd@lists.infradead.org, Thomas Petazzoni , Miquel Raynal , Mason Yang , 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 X-Virus-Scanned: ClamAV using ClamSMTP The software Hamming ECC correction implementation is referred as MTD_NAND_ECC which is too generic. Rename it MTD_NAND_ECC_SW_HAMMING. Also rename MTD_NAND_ECC_SMC which is an SMC quirk in the Hamming implementation as MTD_NAND_ECC_SW_HAMMING_SMC. Signed-off-by: Miquel Raynal --- arch/arm/configs/nhk8815_defconfig | 2 +- arch/mips/configs/generic/board-ni169445.config | 2 +- arch/powerpc/configs/85xx/tqm8548_defconfig | 2 +- drivers/mtd/Kconfig | 3 +-- drivers/mtd/nand/raw/Kconfig | 12 +++++------- drivers/mtd/nand/raw/Makefile | 2 +- drivers/mtd/nand/raw/nand_base.c | 2 +- drivers/mtd/sm_ftl.c | 12 ++++++------ drivers/mtd/tests/mtd_nandecctest.c | 14 +++++++------- 9 files changed, 24 insertions(+), 27 deletions(-) diff --git a/arch/arm/configs/nhk8815_defconfig b/arch/arm/configs/nhk8815_defconfig index 0ac44acd5bc4..413c65b4c7e6 100644 --- a/arch/arm/configs/nhk8815_defconfig +++ b/arch/arm/configs/nhk8815_defconfig @@ -49,7 +49,7 @@ CONFIG_MTD=y CONFIG_MTD_TESTS=m CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_BLOCK=y -CONFIG_MTD_NAND_ECC_SMC=y +CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC=y CONFIG_MTD_NAND=y CONFIG_MTD_NAND_FSMC=y CONFIG_MTD_ONENAND=y diff --git a/arch/mips/configs/generic/board-ni169445.config b/arch/mips/configs/generic/board-ni169445.config index 01f6ab0d47d5..e68da2e9dc7c 100644 --- a/arch/mips/configs/generic/board-ni169445.config +++ b/arch/mips/configs/generic/board-ni169445.config @@ -15,7 +15,7 @@ CONFIG_MTD=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CMDLINE_PARTS=y -CONFIG_MTD_NAND_ECC=y +CONFIG_MTD_NAND_ECC_SW_HAMMING=y CONFIG_MTD_NAND_ECC_SW_BCH=y CONFIG_MTD_NAND=y CONFIG_MTD_NAND_GPIO=y diff --git a/arch/powerpc/configs/85xx/tqm8548_defconfig b/arch/powerpc/configs/85xx/tqm8548_defconfig index 2697e4e8a761..464ce192bc14 100644 --- a/arch/powerpc/configs/85xx/tqm8548_defconfig +++ b/arch/powerpc/configs/85xx/tqm8548_defconfig @@ -35,7 +35,7 @@ CONFIG_MTD=y CONFIG_MTD_CFI=y CONFIG_MTD_CFI_AMDSTD=y CONFIG_MTD_PHYSMAP_OF=y -CONFIG_MTD_NAND_ECC_SMC=y +CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC=y CONFIG_MTD_NAND=y CONFIG_MTD_NAND_FSL_UPM=y CONFIG_BLK_DEV_LOOP=y diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index 79a8ff542883..aa5a27fdfdd1 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -230,12 +230,11 @@ config SSFDC This enables read only access to SmartMedia formatted NAND flash. You can mount it with FAT file system. - config SM_FTL tristate "SmartMedia/xD new translation layer" depends on BLOCK select MTD_BLKDEVS - select MTD_NAND_ECC + select MTD_NAND_ECC_SW_HAMMING help This enables EXPERIMENTAL R/W support for SmartMedia/xD FTL (Flash translation layer). diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig index 849748278aed..738b04f71c59 100644 --- a/drivers/mtd/nand/raw/Kconfig +++ b/drivers/mtd/nand/raw/Kconfig @@ -1,20 +1,18 @@ -config MTD_NAND_ECC +config MTD_NAND_ECC_SW_HAMMING tristate -config MTD_NAND_ECC_SMC +config MTD_NAND_ECC_SW_HAMMING_SMC bool "NAND ECC Smart Media byte order" - depends on MTD_NAND_ECC + depends on MTD_NAND_ECC_SW_HAMMING default n help Software ECC according to the Smart Media Specification. The original Linux implementation had byte 0 and 1 swapped. - menuconfig MTD_NAND tristate "Raw/Parallel NAND Device Support" depends on MTD - select MTD_NAND_ECC - select MTD_NAND_CORE + select MTD_NAND_ECC_SW_HAMMING help This enables support for accessing all type of raw/parallel NAND flash devices. For further information see @@ -132,7 +130,7 @@ config MTD_NAND_S3C2410_DEBUG config MTD_NAND_NDFC tristate "NDFC NanD Flash Controller" depends on 4xx - select MTD_NAND_ECC_SMC + select MTD_NAND_ECC_SW_HAMMING_SMC help NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile index 7f4ae08f4c18..60ec994808c5 100644 --- a/drivers/mtd/nand/raw/Makefile +++ b/drivers/mtd/nand/raw/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MTD_NAND) += nand.o -obj-$(CONFIG_MTD_NAND_ECC) += nand_ecc.o +obj-$(CONFIG_MTD_NAND_ECC_SW_HAMMING) += nand_ecc.o obj-$(CONFIG_MTD_NAND_ECC_SW_BCH) += nand_bch.o obj-$(CONFIG_MTD_SM_COMMON) += sm_common.o diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index eb42a8941a46..13efa206c7e6 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -5120,7 +5120,7 @@ static int nand_set_ecc_soft_ops(struct nand_chip *chip) ecc->bytes = 3; ecc->strength = 1; - if (IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)) + if (IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)) ecc->options |= NAND_ECC_SOFT_HAMMING_SM_ORDER; return 0; diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c index 89227b1d036a..e0955a98a0f4 100644 --- a/drivers/mtd/sm_ftl.c +++ b/drivers/mtd/sm_ftl.c @@ -222,17 +222,17 @@ static int sm_correct_sector(uint8_t *buffer, struct sm_oob *oob) uint8_t ecc[3]; __nand_calculate_ecc(buffer, SM_SMALL_PAGE, ecc, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); if (__nand_correct_data(buffer, ecc, oob->ecc1, SM_SMALL_PAGE, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)) < 0) + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)) < 0) return -EIO; buffer += SM_SMALL_PAGE; __nand_calculate_ecc(buffer, SM_SMALL_PAGE, ecc, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); if (__nand_correct_data(buffer, ecc, oob->ecc2, SM_SMALL_PAGE, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)) < 0) + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)) < 0) return -EIO; return 0; } @@ -399,11 +399,11 @@ static int sm_write_block(struct sm_ftl *ftl, uint8_t *buf, if (ftl->smallpagenand) { __nand_calculate_ecc(buf + boffset, SM_SMALL_PAGE, oob.ecc1, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); __nand_calculate_ecc(buf + boffset + SM_SMALL_PAGE, SM_SMALL_PAGE, oob.ecc2, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); } if (!sm_write_sector(ftl, zone, block, boffset, buf + boffset, &oob)) diff --git a/drivers/mtd/tests/mtd_nandecctest.c b/drivers/mtd/tests/mtd_nandecctest.c index c71523e94580..0c0091fb3708 100644 --- a/drivers/mtd/tests/mtd_nandecctest.c +++ b/drivers/mtd/tests/mtd_nandecctest.c @@ -122,9 +122,9 @@ static int no_bit_error_verify(void *error_data, void *error_ecc, int ret; __nand_calculate_ecc(error_data, size, calc_ecc, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); ret = __nand_correct_data(error_data, error_ecc, calc_ecc, size, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); if (ret == 0 && !memcmp(correct_data, error_data, size)) return 0; @@ -152,9 +152,9 @@ static int single_bit_error_correct(void *error_data, void *error_ecc, int ret; __nand_calculate_ecc(error_data, size, calc_ecc, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); ret = __nand_correct_data(error_data, error_ecc, calc_ecc, size, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); if (ret == 1 && !memcmp(correct_data, error_data, size)) return 0; @@ -189,9 +189,9 @@ static int double_bit_error_detect(void *error_data, void *error_ecc, int ret; __nand_calculate_ecc(error_data, size, calc_ecc, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); ret = __nand_correct_data(error_data, error_ecc, calc_ecc, size, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); return (ret == -EBADMSG) ? 0 : -EINVAL; } @@ -266,7 +266,7 @@ static int nand_ecc_test_run(const size_t size) prandom_bytes(correct_data, size); __nand_calculate_ecc(correct_data, size, correct_ecc, - IS_ENABLED(CONFIG_MTD_NAND_ECC_SMC)); + IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING_SMC)); for (i = 0; i < ARRAY_SIZE(nand_ecc_test); i++) { nand_ecc_test[i].prepare(error_data, error_ecc,