From patchwork Fri Aug 7 15:38:58 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Hilliard X-Patchwork-Id: 327 Return-Path: X-Original-To: noreply@patchwork.local Delivered-To: noreply@patchwork.local Received: from sto.lore.kernel.org (sto.lore.kernel.org [172.232.135.74]) by mxe881.netcup.net (Postfix) with ESMTPS id 759E41C08F6 for ; Fri, 7 Aug 2026 18:12:29 +0200 (CEST) Authentication-Results: mxe881; dkim=pass header.d=gmail.com; spf=pass (sender IP is 172.232.135.74) smtp.mailfrom=linux-sunxi+bounces-25062-noreply=patchwork.local@lists.linux.dev smtp.helo=sto.lore.kernel.org Received-SPF: pass (mxe881: domain of lists.linux.dev designates 172.232.135.74 as permitted sender) client-ip=172.232.135.74; envelope-from=linux-sunxi+bounces-25062-noreply=patchwork.local@lists.linux.dev; helo=sto.lore.kernel.org; Received: from smtp.subspace.kernel.org (conduit.subspace.kernel.org [100.90.174.1]) by sto.lore.kernel.org (Postfix) with ESMTP id 94AAC3080C77 for ; Fri, 7 Aug 2026 15:41:07 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1B9474772BB; Fri, 7 Aug 2026 15:39:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JlhaE/se" X-Original-To: linux-sunxi@lists.linux.dev Received: from mail-oi1-f177.google.com (mail-oi1-f177.google.com [209.85.167.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 70DFD476690 for ; Fri, 7 Aug 2026 15:39:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786117152; cv=none; b=cVdkDf/bAizS9P0gbGutxHyi/C7jS4NPEZp31MjGR9cpbwCN7epL837ozJ2jCtNELNhVrTRp42g1henL8hPdNaN4D/jIINUrn069KrhT8sZWP4P+vuLyOXwo9gpAhGINEdCCUXbFNN6wrQAzZo6h9N2sFXpa75aWDkFLsySQ0OY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786117152; c=relaxed/simple; bh=g99+9R86yENKOxMWC/+p9emmD/F2G0i/FdzRfr3/FAs=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=kUiB1PTt3QTUxarUYJDH3dvSfZVlo/3hS1FQrVNINcRpKZYccpWEXe9N+NND/k5SYTyP0nhluPsWQ0EoJ7klPAODl0B4hbMgb+IcxKkSAOLbw6naXFvqyl0McXA5SXxkzmdd9JIlK5CtuB1OBVEvKqLuI5A/oNlxggWrgsu4k8Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=JlhaE/se; arc=none smtp.client-ip=209.85.167.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-oi1-f177.google.com with SMTP id 5614622812f47-4a456e44e01so1987999b6e.1 for ; Fri, 07 Aug 2026 08:39:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786117149; x=1786721949; darn=lists.linux.dev; h=cc:to:content-transfer-encoding:content-type:mime-version :message-id:date:subject:from:from:to:cc:subject:date:message-id :reply-to:content-type; bh=VbFL1A0jNYqmUoipY6MPyQje52bmNUS3I6T9M1FZoRI=; b=JlhaE/secQ1ECqjUKePdgQWobM4nvonOySMDXRgdB823TUIIBhZ0dGXL1K+EICY/0K UbtN7k9pHquVzdWORItpbX3ceo0cdrYo3KsDPIrl1jSLxYsC+EUibcEQgJWHI3rK8kdD ArMkOmp62q6uDsjoUyG4yLMjGewlHiosGUg2miuthOgPcuuuhK22PpirsgY7kqLabXFC u2rPyOx98bUDvgmdiKoXtWDFIXjP8OFKUOgx2az+oDJM8VJVf103UQnvz5Gv/HJZudAu f0mv5u7UyEwbxIxHZz7x5wJ//Wk3wLgTVw/vSWoyYO7YykKg+wejwwdGdsXeQMAReKN6 QRKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786117149; x=1786721949; h=cc:to:content-transfer-encoding:content-type:mime-version :message-id:date:subject:from:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to:content-type; bh=VbFL1A0jNYqmUoipY6MPyQje52bmNUS3I6T9M1FZoRI=; b=ikkxQJ6Rqm5sGNiH/InVmnpK/ROn01ZkU9VWf2uDK3LyylMZEDrKtm0GPoNmiIBtTz k2I67VbeF0AyTaBpK94KWJQOzuLuq95f1y9/LA2GB95LFsbOE7j79D7R9oa/y8TeiRfU N1p6WaPB8vcqpaYtNnXVgFMEUhN7KTVa/mV9BFgkl4ZQ/8lu+QvyaadtXynemQYCe/bf PnI1XDPw4DxUOJoEqivelyXXzFw7fhsaw7cMveGA4vkvV3Mf638EA4aObbe/GLB1+K4l XdGfQjWwdaM0wzFBPw9usAmG8eZYFQgRcNAhNNaHm5jSkR1MMn9Ke1N4IACc8qD4g4uQ AwCg== X-Forwarded-Encrypted: i=1; AHgh+RpiDb0G3/xWXhkkSnZJkwtQHvSysW1fp2ioCIQzmJ51TqyOUR0JHVC/+0YbzT66mN9yJEtANAgLdjLKBg==@lists.linux.dev X-Gm-Message-State: AOJu0YyRaXYIRf/ByJ0HeoiPInvF1iZKsquGJiTf2rSM3MYtXUs14tCt nz/ASIzH634WgVD6Pewmx1EreuFRRSHj5EPziQvdTgsPRCtjTyP/d5wE X-Gm-Gg: AR+sD13FjOvDgvEYk8aqQT+Fx34F3aMLD7WIt/MuHibLjvg06EOknwGz0wXP2b9xwlz vV4NvIVWdvATzDnQdkO6jjWZtIliVHu/SuuROK+UGXYNisDHXsQhUAwMhqQTljRIqDLCh0TXk/u eMtSI+SbZZc6kh0hQ6ZyUlpOKsPondd+MWEHFWc7tEvht6CppOk+RAvUttDKsp+KmVPSj1ucjZh 8c3dDdZ3KWc7x2RZbNGMuIuIEJwQZPjBd7BBFofAzp8FqEfaM5zDVAKEedBxT4aM7+NFVKysRl0 CjR9jtIDRvIVfTbD7o/9sgUNLDVqS60DDFtY4lVm2fFcN6qlpDGGgsfiO1YekJoZcUYcLv7n0KH rkrftXeCnfaaXG+RBmHWrpCAKfCmEpPEurrF4G+vnZ9WletO5iTxGNv2/+efWEgEcZxwNdb847v 8q1SaiVj3Sy4c3vqPMxwkFtshMrx/GwI9U6WU+305SbEJ83v6ucNg9RPYcX1Djema5Mt/fvbyQA v+ElKvQbI0lBg/bx29hJpOtL4YuBPMJCv5ofhlGPfG+hdet+GrcxtKtZdHGk/ziutEZeVYf88hl 3ieKFtnBQmI3A7+326a5nxB0SE12qi2QrUtwPi17rvGDXQcCjEJTWEUafmChawqsKFbWPQdao+r /PlfcQ9MyNilKXVYZ X-Received: by 2002:a05:6808:1910:b0:495:f519:70f0 with SMTP id 5614622812f47-4afae01bf6emr13779508b6e.19.1786117149136; Fri, 07 Aug 2026 08:39:09 -0700 (PDT) Received: from [127.0.1.1] (184-96-154-59.hlrn.qwest.net. [184.96.154.59]) by smtp.gmail.com with ESMTPSA id 5614622812f47-4afae706cd5sm7353485b6e.11.2026.08.07.08.39.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Aug 2026 08:39:08 -0700 (PDT) From: James Hilliard Subject: [PATCH v3 0/3] mtd: rawnand: sunxi: fix H6/H616 controller timings Date: Fri, 07 Aug 2026 09:38:58 -0600 Message-Id: <20260807-submit-sunxi-nand-h6-h616-timings-v3-0-91287b543f41@gmail.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAAAAAAAC/5WOQQqDMBBFryKz7pRkqgl21XsUF6mmOqWJJUnFI t690Z6gMPB58Hl/Fog2sI1wLhYIduLIo89wOhTQDsb3FrnLDCRICS01xvfNccrhZ0ZvfIeDyic VJnbs+4i6Lg3VdUlKd5A9r2DvPO8b1+bHWfKwbdrEW2PgmMbw2Z+YaOv9szcRCiSqKllJoVUpL r0z/Dy2o4NmXdcvhh8QOuQAAAA= X-Change-ID: 20260717-submit-sunxi-nand-h6-h616-timings-794a2994267d To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Richard Genoud Cc: linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, James Hilliard , stable@vger.kernel.org X-Mailer: b4 0.15.2 X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= The sunxi NAND timing solver currently applies the original A10 NDFC timing characteristics to every supported controller. The H6/H616 NDFC uses two internal cycles for several setup and hold intervals and has different delay-field encodings, so the resulting clock and timing register values do not match the hardware. Prepare for per-controller timing data in two behaviorally focused patches, then add and select the H616 characteristics in the final fix. Legacy controllers retain their existing setup-cycle behavior and delay encodings. Tested on an H616 board with Toshiba TC58NVG1S3H NAND. Signed-off-by: James Hilliard --- Changes v1 -> v2: - Split legacy timing setup from the H616 fix (suggested by Miquel) - Move tADL/tWHR encodings to a separate patch (suggested by Miquel) - Keep the timing lookup helper unchanged (suggested by Miquel) - Drop the minimum-period helper (suggested by Miquel) - Align H616 timing-data and capability names (suggested by Miquel) - Add Cc: stable to all three patches (suggested by Miquel) Changes v2 -> v3: - Rebase onto current nand/next - Fix strict checkpatch diagnostics (suggested by Miquel) - Add Fixes tags to the two stable preparatory patches - Link to v2: https://patch.msgid.link/20260717-submit-sunxi-nand-h6-h616-timings-v2-0-225515107640@gmail.com To: Miquel Raynal To: Richard Weinberger To: Vignesh Raghavendra To: Chen-Yu Tsai To: Jernej Skrabec To: Samuel Holland To: Richard Genoud Cc: linux-mtd@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-sunxi@lists.linux.dev Cc: linux-kernel@vger.kernel.org --- James Hilliard (3): mtd: rawnand: sunxi: group controller delay tables mtd: rawnand: sunxi: describe tADL and tWHR delays mtd: rawnand: sunxi: fix H6/H616 controller timings drivers/mtd/nand/raw/sunxi_nand.c | 119 +++++++++++++++++++++++++++----------- 1 file changed, 86 insertions(+), 33 deletions(-) --- base-commit: f97bdc8ec1dc7b33781a702eeba55326c206be56 change-id: 20260717-submit-sunxi-nand-h6-h616-timings-794a2994267d Best regards, -- James Hilliard