Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/1.2/patches/2234477/?format=api
{ "id": 2234477, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2234477/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20260507-winbond-v6-18-rc1-spi-nor-swp-v5-23-93453e1a9597@bootlin.com/", "project": { "id": 3, "url": "http://patchwork.ozlabs.org/api/1.2/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, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260507-winbond-v6-18-rc1-spi-nor-swp-v5-23-93453e1a9597@bootlin.com>", "list_archive_url": null, "date": "2026-05-07T16:47:04", "name": "[v5,23/28] mtd: spi-nor: winbond: Add W25H512NWxxAM CMP locking support", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f17c2dc03c2d198047326cc1e8a55c4e4d8838f8", "submitter": { "id": 73368, "url": "http://patchwork.ozlabs.org/api/1.2/people/73368/?format=api", "name": "Miquel Raynal", "email": "miquel.raynal@bootlin.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20260507-winbond-v6-18-rc1-spi-nor-swp-v5-23-93453e1a9597@bootlin.com/mbox/", "series": [ { "id": 503226, "url": "http://patchwork.ozlabs.org/api/1.2/series/503226/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/list/?series=503226", "date": "2026-05-07T16:46:51", "name": "mtd: spi-nor: Enhance software protection", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/503226/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2234477/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2234477/checks/", "tags": {}, "related": [], "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 (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=wnhsy7E2;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256\n header.s=desiato.20200630 header.b=ZIYvFLDl;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256\n header.s=dkim header.b=hU+zfN2u;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org;\n envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from bombadil.infradead.org (bombadil.infradead.org\n [IPv6:2607:7c80:54:3::133])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4gBJ8Q2SZ8z1yM5\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 08 May 2026 02:47:50 +1000 (AEST)", "from localhost ([::1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux))\n\tid 1wL1t2-00000004NmV-0MRC;\n\tThu, 07 May 2026 16:47:44 +0000", "from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05])\n\tby bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux))\n\tid 1wL1t0-00000004Nj5-0SgM\n\tfor linux-mtd@bombadil.infradead.org;\n\tThu, 07 May 2026 16:47:42 +0000", "from smtpout-04.galae.net ([185.171.202.116])\n\tby desiato.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux))\n\tid 1wL1sw-000000046K1-36xC\n\tfor linux-mtd@lists.infradead.org;\n\tThu, 07 May 2026 16:47:40 +0000", "from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233])\n\tby smtpout-04.galae.net (Postfix) with ESMTPS id 2FA77C5DC60;\n\tThu, 7 May 2026 16:48:25 +0000 (UTC)", "from mail.galae.net (mail.galae.net [212.83.136.155])\n\tby smtpout-01.galae.net (Postfix) with ESMTPS id 65D14605CF;\n\tThu, 7 May 2026 16:47:37 +0000 (UTC)", "from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon)\n with ESMTPSA id 05EF7108194E2;\n\tThu, 7 May 2026 18:47:34 +0200 (CEST)" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20210309; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id\n\t:MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=nWeiZR/bfSLaC9ycmxxnFVeg9Hz+BW91e78r+JghEdk=; b=wnhsy7E2ParzjK\n\tUPSeb+xqXi3D86/fpswT7kXeU20HJ7Kr5AhH9BdrJS/ehmrj/iXguEh0IwXTLcXKZYEsiIdalAMDP\n\tBLoMizu2h/kUJr3kOaEDRN3qankyxKUexmFEWKaRQ60wHWVa6xGhwWgml5+8kFZTlQSvcIWAcC9+9\n\t9xW02/dBbwvZ/+cHumPqNah2JDC2+nQXRA/exAdkSfGWtABC0nnMvduSzzkSbqZm8EVj4kpYmPNho\n\tlb3DkAt1x4x93wIrdeUfJwwD4oHk3N23Q1Vcd3mxwYHTBi5LruEzY75OjHiEJ15nMvPX9pQwZbCdh\n\tF6TFIi0L5MciG12vItMw==;", "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=infradead.org; s=desiato.20200630; h=Cc:To:In-Reply-To:References:\n\tMessage-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:\n\tFrom:Sender:Reply-To:Content-ID:Content-Description;\n\tbh=BoCPB/pz5WLAgqByx+8hBN7GKNEFydMpDcPo2Prr5BA=; b=ZIYvFLDl8nCb4p/XzcZKzcSknq\n\tXTuoMV6O8PoFXPdpMhJ8oDIbTZLAHgdLIyZxkcoJyp1x02MQ83hg/Xa2SIvhGsaQrPVoVTV08GWG0\n\tn41JabI3Td7JNp6e24tapsHfts+7WMfjXZHkIH2wgsvpxlUnsM2lWNozuesCDXVvHBTju/88qYvep\n\tN0cdno9JzlsOoV8i68XYDA1K/ROrpsFnPOABDaSMXrD27D0J5KHoN9qHxcTkMq8ob3iOJMk3lvKhw\n\t7kOk4a6loRHWr0zS50wdkIVhKqw9WSKREZ1AhwBrZI1ieXpYwnw/K2BXKQAaI1KJS1QzZZ0q1ZneJ\n\tasnxEWFw==;", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim;\n\tt=1778172456; h=from:subject:date:message-id:to:cc:mime-version:content-type:\n\t content-transfer-encoding:in-reply-to:references;\n\tbh=BoCPB/pz5WLAgqByx+8hBN7GKNEFydMpDcPo2Prr5BA=;\n\tb=hU+zfN2ufovGkh8JdGM8ch5PVIf2EKeX4cBtgQDWnF2mSB6Ns1nO3TCXeHRhoY4ZRnDoyY\n\t9+zoqZufq8Gb6hyyYULJzn6npkA7tEY60D3lwZBllzgk13ghB4KOlA0uu8tvqdhqPQah4e\n\tJ/KMDe0giyNDEnnErgHHbZMixfOgRfTcpXEZunhIPKBYcCdHOMy3pS8gdO7yXLDmALdQpv\n\tHw0XS3BzOPGiQGaceR0QPGledUGIJxuEGpY3gT5FPNUZsK+fC2vUcp7Gj4hcFK1kOdNe94\n\tzmzCArmDMgk6C0R0rSpYadtAs87RD7SnY3jT+7QkJJ8q7KNqlEAa5evxeA0ItA==" ], "From": "Miquel Raynal <miquel.raynal@bootlin.com>", "Date": "Thu, 07 May 2026 18:47:04 +0200", "Subject": "[PATCH v5 23/28] mtd: spi-nor: winbond: Add W25H512NWxxAM CMP\n locking support", "MIME-Version": "1.0", "Message-Id": "\n <20260507-winbond-v6-18-rc1-spi-nor-swp-v5-23-93453e1a9597@bootlin.com>", "References": "\n <20260507-winbond-v6-18-rc1-spi-nor-swp-v5-0-93453e1a9597@bootlin.com>", "In-Reply-To": "\n <20260507-winbond-v6-18-rc1-spi-nor-swp-v5-0-93453e1a9597@bootlin.com>", "To": "Pratyush Yadav <pratyush@kernel.org>, Michael Walle <mwalle@kernel.org>,\n Takahiro Kuwano <takahiro.kuwano@infineon.com>,\n Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>,\n Jonathan Corbet <corbet@lwn.net>, Tudor Ambarus <tudor.ambarus@linaro.org>,\n Shuah Khan <skhan@linuxfoundation.org>", "Cc": "Sean Anderson <sean.anderson@linux.dev>,\n Thomas Petazzoni <thomas.petazzoni@bootlin.com>,\n Steam Lin <STLin2@winbond.com>, linux-mtd@lists.infradead.org,\n linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,\n Miquel Raynal <miquel.raynal@bootlin.com>", "X-Mailer": "b4 0.14.3", "X-Last-TLS-Session-Version": "TLSv1.3", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20260507_174739_330488_2FE3620D ", "X-CRM114-Status": "GOOD ( 10.30 )", "X-Spam-Score": "-0.2 (/)", "X-Spam-Report": "Spam detection software,\n running on the system \"desiato.infradead.org\",\n has NOT identified this incoming email as spam. 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: This chip has support for the locking complement (CMP)\n feature.\n Add the relevant bit to enable it. Signed-off-by: Miquel Raynal\n <miquel.raynal@bootlin.com>\n --- Test run following the freshly written documentation:\n Content analysis details: (-0.2 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_PASS SPF: HELO matches SPF record\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n -0.0 DMARC_PASS DMARC pass policy", "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": "This chip has support for the locking complement (CMP) feature. Add\nthe relevant bit to enable it.\n\nSigned-off-by: Miquel Raynal <miquel.raynal@bootlin.com>\n---\nTest run following the freshly written documentation:\n\n$ flash_lock -u /dev/mtd0\n$ flash_lock -l /dev/mtd0 $bs $all_but_one # all but the first\n$ show_sectors\nlocked sectors\n region (in hex) | status | #blocks\n ------------------+----------+--------\n 00000000-0000ffff | unlocked | 1\n 00010000-03ffffff | locked | 1023\n$ flash_lock -u /dev/mtd0 $bs 1 # all but the two first\n$ show_sectors\nlocked sectors\n region (in hex) | status | #blocks\n ------------------+----------+--------\n 00000000-0001ffff | unlocked | 2\n 00020000-03ffffff | locked | 1022\n$ flash_lock -u /dev/mtd0\n$ flash_lock -l /dev/mtd0 0 $all_but_one # same from the other side\n$ show_sectors\nlocked sectors\n region (in hex) | status | #blocks\n ------------------+----------+--------\n 00000000-03feffff | locked | 1023\n 03ff0000-03ffffff | unlocked | 1\n$ flash_lock -u /dev/mtd0 $(($size - (2 * $bs))) 1 # all but two\n$ show_sectors\nlocked sectors\n region (in hex) | status | #blocks\n ------------------+----------+--------\n 00000000-03fdffff | locked | 1022\n 03fe0000-03ffffff | unlocked | 2\n---\n drivers/mtd/spi-nor/winbond.c | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)", "diff": "diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c\nindex eaa547d36aad..ef73c855cedb 100644\n--- a/drivers/mtd/spi-nor/winbond.c\n+++ b/drivers/mtd/spi-nor/winbond.c\n@@ -360,7 +360,8 @@ static const struct flash_info winbond_nor_parts[] = {\n \t}, {\n \t\t/* W25H512NWxxAM */\n \t\t.id = SNOR_ID(0xef, 0xa0, 0x20),\n-\t\t.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6 | SPI_NOR_4BIT_BP,\n+\t\t.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6 |\n+\t\t\t SPI_NOR_4BIT_BP | SPI_NOR_HAS_CMP,\n \t}, {\n \t\t/* W25H01NWxxAM */\n \t\t.id = SNOR_ID(0xef, 0xa0, 0x21),\n", "prefixes": [ "v5", "23/28" ] }