Patch Detail
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Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/1.1/patches/2223556/?format=api
{ "id": 2223556, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2223556/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/patch/SEYPR01MB5882D37365BB442818AEC143C9222@SEYPR01MB5882.apcprd01.prod.exchangelabs.com/", "project": { "id": 3, "url": "http://patchwork.ozlabs.org/api/1.1/projects/3/?format=api", "name": "Linux MTD development", "link_name": "linux-mtd", "list_id": "linux-mtd.lists.infradead.org", "list_email": "linux-mtd@lists.infradead.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<SEYPR01MB5882D37365BB442818AEC143C9222@SEYPR01MB5882.apcprd01.prod.exchangelabs.com>", "date": "2026-04-15T15:31:41", "name": "[v2] mtd: spinand: fmsh: add support for FM25G{01,02}B", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a615c40e67c9e8920d95e6d7db76258a8d4f9f7f", "submitter": { "id": 89177, "url": "http://patchwork.ozlabs.org/api/1.1/people/89177/?format=api", "name": "Ziyang Huang", "email": "hzyitc@outlook.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-mtd/patch/SEYPR01MB5882D37365BB442818AEC143C9222@SEYPR01MB5882.apcprd01.prod.exchangelabs.com/mbox/", "series": [ { "id": 500006, "url": "http://patchwork.ozlabs.org/api/1.1/series/500006/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/list/?series=500006", "date": "2026-04-15T15:31:41", "name": "[v2] mtd: spinand: fmsh: add support for FM25G{01,02}B", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/500006/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2223556/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2223556/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass 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cv=none;\n b=zEwRl5wTUmgb9QSoZRxSnXxphkfWyUG8/Tq25stXX4IoyMszwdXYqSaiz38lDWgJy19KJ/JVNeb5uV8pKtkvhHfFwG00Py6gn4XEcaM+kc28V3+UpRKOFcx/IOSLdNVbCMP+FgP/rUAL2YB7HKkOdcaWQXThn/mil+5PxUkZ0DaF75VOx+AR30jK5+ScSmPKZ90kovYwsg/CS0sigNqve0RQKW/Co3nZhNjFYicsTxZLEoLGABxLy+J9hU6E7GNmS8FMlsFLz3RqSvbG+dysCRxjR/d6y+8ANBUF1t/6g39qgJ/Z5kJHTH0I72q4U82HBbIguktFxid+6VSqxCUQoQ==", "ARC-Message-Signature": "i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com;\n s=arcselector10001;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1;\n bh=ZPMt4rRm8mDNb4GPd5qWQcEC+Ok5FlyPtMIFyYODDZw=;\n b=ZmsJJv2PUi4/lNtWEkf/zEHd0MfQPM97RH+HuM+AwwqEBcZDGhUgQ69PPpGj7eW2SNXTIO8zmicwndBVEINKzAM+qEgYGXNsCmRMttP5yOjLdfOWfbtySCtF5E4blGzSIoykNBPRps6qHXN3ggiKeOKtgmbg5T7XE/EWl2tBULgDIQSOcek/nqRaHZhZ7gguqXG9r/+GswxfCXFqYx2ITbGAZKzYAkPR2Q+/8SR42vPjCFsB0wTrswPfnwrKHt9CDt6o+fXJmElouJGquM6QepNfRTLhCC/ep97gVOSRujuPKyysosTZJti41TuZkLlb/F02WvHaXvptOf4vPSfG2Q==", "ARC-Authentication-Results": "i=1; mx.microsoft.com 1; spf=none; dmarc=none;\n dkim=none; arc=none", "From": "Ziyang Huang <hzyitc@outlook.com>", "To": "miquel.raynal@bootlin.com", "Cc": "richard@nod.at,\n\tvigneshr@ti.com,\n\tcnsztl@gmail.com,\n\thzyitc@outlook.com,\n\tcsharper2005@gmail.com,\n\tmikhail.kshevetskiy@iopsys.eu,\n\tlinux-mtd@lists.infradead.org,\n\tlinux-kernel@vger.kernel.org", "Subject": "[PATCH v2] mtd: spinand: fmsh: add support for FM25G{01,02}B", "Date": "Wed, 15 Apr 2026 23:31:41 +0800", "Message-ID": "\n <SEYPR01MB5882D37365BB442818AEC143C9222@SEYPR01MB5882.apcprd01.prod.exchangelabs.com>", "X-Mailer": "git-send-email 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The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: FM25G01B: https://www.fmsh.com/nvm/FM25G01B_ds_eng.pdf\n FM25G02B:\n https://www.fmsh.com/nvm/FM25G02B_ds_eng.pdf Signed-off-by: Ziyang Huang\n --- Changes since v1: Fix copy-paste issue. (Correct FM25G01B size.)\n Content analysis details: (-2.0 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]\n 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail\n provider\n [hzyitc(at)outlook.com]\n 0.1 URIBL_SBL_A Contains URL's A record listed in the Spamhaus\n SBL\n blocklist\n [URI: ns14.xincache.com/112.80.181.111]\n [URI: ns13.xincache.com/112.80.181.45]", "X-BeenThere": "linux-mtd@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "Linux MTD discussion mailing list <linux-mtd.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-mtd>,\n <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-mtd/>", "List-Post": "<mailto:linux-mtd@lists.infradead.org>", "List-Help": "<mailto:linux-mtd-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-mtd>,\n <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-mtd\" <linux-mtd-bounces@lists.infradead.org>", "Errors-To": "linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "FM25G01B: https://www.fmsh.com/nvm/FM25G01B_ds_eng.pdf\nFM25G02B: https://www.fmsh.com/nvm/FM25G02B_ds_eng.pdf\n\nSigned-off-by: Ziyang Huang <hzyitc@outlook.com>\n---\nChanges since v1:\n Fix copy-paste issue. (Correct FM25G01B size.)\n\n drivers/mtd/nand/spi/fmsh.c | 101 ++++++++++++++++++++++++++++++++++++\n 1 file changed, 101 insertions(+)", "diff": "diff --git a/drivers/mtd/nand/spi/fmsh.c b/drivers/mtd/nand/spi/fmsh.c\nindex f417955f7d1c..a9b219ae6c29 100644\n--- a/drivers/mtd/nand/spi/fmsh.c\n+++ b/drivers/mtd/nand/spi/fmsh.c\n@@ -9,6 +9,16 @@\n #include <linux/kernel.h>\n #include <linux/mtd/spinand.h>\n \n+#define FM25G01B_STATUS_ECC_MASK\t\t(7 << 4)\n+\t#define FM25G01B_STATUS_ECC_NO_BITFLIPS\t\t(0 << 4)\n+\t#define FM25G01B_STATUS_ECC_1_3_BITFLIPS\t(1 << 4)\n+\t#define FM25G01B_STATUS_ECC_4_BITFLIPS\t\t(2 << 4)\n+\t#define FM25G01B_STATUS_ECC_5_BITFLIPS\t\t(3 << 4)\n+\t#define FM25G01B_STATUS_ECC_6_BITFLIPS\t\t(4 << 4)\n+\t#define FM25G01B_STATUS_ECC_7_BITFLIPS\t\t(5 << 4)\n+\t#define FM25G01B_STATUS_ECC_8_BITFLIPS\t\t(6 << 4)\n+\t#define FM25G01B_STATUS_ECC_UNCOR_ERROR\t\t(7 << 4)\n+\n #define FM25S01BI3_STATUS_ECC_MASK\t\t(7 << 4)\n \t#define FM25S01BI3_STATUS_ECC_NO_BITFLIPS\t(0 << 4)\n \t#define FM25S01BI3_STATUS_ECC_1_3_BITFLIPS\t(1 << 4)\n@@ -34,6 +44,72 @@ static SPINAND_OP_VARIANTS(update_cache_variants,\n \t\tSPINAND_PROG_LOAD_1S_1S_4S_OP(false, 0, NULL, 0),\n \t\tSPINAND_PROG_LOAD_1S_1S_1S_OP(false, 0, NULL, 0));\n \n+\n+static int fm25g01b_ooblayout_ecc(struct mtd_info *mtd, int section,\n+\t\t\t\t struct mtd_oob_region *region)\n+{\n+\tif (section)\n+\t\treturn -ERANGE;\n+\n+\tregion->offset = 64;\n+\tregion->length = 64;\n+\n+\treturn 0;\n+}\n+\n+static int fm25g01b_ooblayout_free(struct mtd_info *mtd, int section,\n+\t\t\t\t struct mtd_oob_region *region)\n+{\n+\tif (section > 3)\n+\t\treturn -ERANGE;\n+\n+\tif (section == 0) {\n+\t\t/* reserve 2 bytes for the BBM */\n+\t\tregion->offset = 2;\n+\t\tregion->length = 14;\n+\t} else {\n+\t\tregion->offset = section * 16;\n+\t\tregion->length = 16;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int fm25g01b_ecc_get_status(struct spinand_device *spinand,\n+\t\t\t\t u8 status)\n+{\n+\tswitch (status & FM25S01BI3_STATUS_ECC_MASK) {\n+\tcase FM25G01B_STATUS_ECC_NO_BITFLIPS:\n+\t\treturn 0;\n+\n+\tcase FM25G01B_STATUS_ECC_1_3_BITFLIPS:\n+\t\treturn 3;\n+\n+\tcase FM25G01B_STATUS_ECC_4_BITFLIPS:\n+\t\treturn 4;\n+\n+\tcase FM25G01B_STATUS_ECC_5_BITFLIPS:\n+\t\treturn 5;\n+\n+\tcase FM25G01B_STATUS_ECC_6_BITFLIPS:\n+\t\treturn 6;\n+\n+\tcase FM25G01B_STATUS_ECC_7_BITFLIPS:\n+\t\treturn 7;\n+\n+\tcase FM25G01B_STATUS_ECC_8_BITFLIPS:\n+\t\treturn 8;\n+\n+\tcase FM25G01B_STATUS_ECC_UNCOR_ERROR:\n+\t\treturn -EBADMSG;\n+\n+\tdefault:\n+\t\tbreak;\n+\t}\n+\n+\treturn -EINVAL;\n+}\n+\n static int fm25s01a_ooblayout_ecc(struct mtd_info *mtd, int section,\n \t\t\t\t struct mtd_oob_region *region)\n {\n@@ -102,6 +178,11 @@ static int fm25s01bi3_ooblayout_free(struct mtd_info *mtd, int section,\n \treturn 0;\n }\n \n+static const struct mtd_ooblayout_ops fm25g01b_ooblayout = {\n+\t.ecc = fm25g01b_ooblayout_ecc,\n+\t.free = fm25g01b_ooblayout_free,\n+};\n+\n static const struct mtd_ooblayout_ops fm25s01a_ooblayout = {\n \t.ecc = fm25s01a_ooblayout_ecc,\n \t.free = fm25s01a_ooblayout_free,\n@@ -113,6 +194,26 @@ static const struct mtd_ooblayout_ops fm25s01bi3_ooblayout = {\n };\n \n static const struct spinand_info fmsh_spinand_table[] = {\n+\tSPINAND_INFO(\"FM25G01B\",\n+\t\t SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xd1),\n+\t\t NAND_MEMORG(1, 2048, 128, 64, 1024, 21, 1, 1, 1),\n+\t\t NAND_ECCREQ(8, 528),\n+\t\t SPINAND_INFO_OP_VARIANTS(&read_cache_variants,\n+\t\t\t\t\t &write_cache_variants,\n+\t\t\t\t\t &update_cache_variants),\n+\t\t SPINAND_HAS_QE_BIT,\n+\t\t SPINAND_ECCINFO(&fm25g01b_ooblayout,\n+\t\t\t\t fm25g01b_ecc_get_status)),\n+\tSPINAND_INFO(\"FM25G02B\",\n+\t\t SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xd2),\n+\t\t NAND_MEMORG(1, 2048, 128, 64, 2048, 41, 1, 1, 1),\n+\t\t NAND_ECCREQ(8, 528),\n+\t\t SPINAND_INFO_OP_VARIANTS(&read_cache_variants,\n+\t\t\t\t\t &write_cache_variants,\n+\t\t\t\t\t &update_cache_variants),\n+\t\t SPINAND_HAS_QE_BIT,\n+\t\t SPINAND_ECCINFO(&fm25g01b_ooblayout,\n+\t\t\t\t fm25g01b_ecc_get_status)),\n \tSPINAND_INFO(\"FM25S01A\",\n \t\t SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xE4),\n \t\t NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),\n", "prefixes": [ "v2" ] }