Received: by 2002:a89:2c3:0:b0:1ed:23cc:44d1 with SMTP id d3csp865297lqs; Tue, 5 Mar 2024 21:28:24 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCWJWf3kYA2MGKatV+idm1MZR5a0qXGP0/cErftLeFBHvMfgmFA0cEzsWh4MkGBVDj4YEO9MbGGCOBd7CdNB6WO7koZaWrY4M4mfkclkHA== X-Google-Smtp-Source: AGHT+IHbfFiucnmsdOqDgCPzaUSfSbmCTxxrKJFcMFsvz3mcdfKiDk2XRhCXvf28HeVHOCBkkJts X-Received: by 2002:a05:6a20:160a:b0:1a1:4a45:c05f with SMTP id l10-20020a056a20160a00b001a14a45c05fmr4625217pzj.25.1709702904559; Tue, 05 Mar 2024 21:28:24 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1709702904; cv=pass; d=google.com; s=arc-20160816; b=FXIduWnosmgtswXKfkbcm+KuxBU4ImiQNsNgFod0MoqiT2VRnsyUeYwnuS3WprGsej na4sdox+05NoXvmqQA7FjR4tGxOALtvWo6+uSrP/4pjRbCMafNzIPEsnpAxon5YMsQ/T VBWt/1TvWQuylWQ1dpghUg/2nQif/4dubixlIYm309vbws4PuT9O+EodIwlowEVbux1s jfsIa00wgi/riXUX+UNEs0mBGyZdgoX1Kkgw8EwBSWuFg2uMFeKL1sQJbn50USPnmTQw Ykv6phJ8NN8YvTSiu4e4efF8lVojgpiuDCo3PrDwu/Al0icWHo1o71zycmAOMPUwX5NE PNGA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:list-unsubscribe:list-subscribe :list-id:precedence:dkim-signature; bh=o6XANTBlf+Hs9bvtmVOEbSoR6w8IVhuP5PyAmad96gU=; fh=I6P7AATHwB5jZIHStdj433g3sSc9Zt3Am3B0ekKY0fY=; b=p/u8Pq04QmB1TnTOf9Hm4OljHdkgOGV79s5MBxmGXqdx9eHO/cDJzTu/b/UeKSYoNa IRKg3WWP3bDi+PpsuG+8hcYtB9ZpgVafDAb/qYMGFe9YVZDlQrqcXT6idP1uEMYsJxRY PpZlj2UtIEgz3NXhphcJHYvM4K2M9R9AMu9InYeopPCdR/pTII7iaLVOw/OXjQo7IKsl BxSN3NkX+ZpOnj5+jMqRdPS/7+Ud4eKLHwsSDT7PygYAP208OcZlo2O96/7gJqh3A5AK /rk2HH34wc8Cm7iccsDgCUmdLRLM3ybUnA3lDM7darRX21IEltw2LeG95phheovH/MWh o95Q==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=nkIlz7z7; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-93346-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-93346-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id pj8-20020a17090b4f4800b0029b7ac534afsi108619pjb.180.2024.03.05.21.28.24 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Mar 2024 21:28:24 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-93346-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=nkIlz7z7; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-93346-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-93346-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 5EB2428B7F7 for ; Wed, 6 Mar 2024 05:28:00 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id DD9421803E; Wed, 6 Mar 2024 05:27:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="nkIlz7z7" Received: from mail-lf1-f52.google.com (mail-lf1-f52.google.com [209.85.167.52]) (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 C055A5381; Wed, 6 Mar 2024 05:27:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709702874; cv=none; b=VGCz4/pVu7C+s6pQPJqtxhVeunqdtf6a0aDVery2RVo4o0znF98QI8JkVUuLBbgLqXWzBIZfPUWanWgP6oSCoAr52cpRm1JY8l8oBfhz9W5o705WHgLiqdYvGt6kAbaqltPIb9DBeDYq34moji2KaFgmkliYETW/DHxqhxyC2zQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709702874; c=relaxed/simple; bh=wKnbumHw86NpSxlTFIsomzV9Cee/hsO0cJfbKBQ1Ltw=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=jNJ0Sm65rXK7vi9DWkGB0G9qlxUu/0X9CBCKKMGvMJxDL1U6Xazv38smkaR1x+79KxnipHkBx/C5Zq/PbpWhy8D0MUlmXHHTIZ54nMtpqINDxoc6YxLrRSXruTpQBLKhk/9VnSfSJBfg5ehTRILqQhljWgwinIzfo5n8juPsRLI= 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=nkIlz7z7; arc=none smtp.client-ip=209.85.167.52 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-lf1-f52.google.com with SMTP id 2adb3069b0e04-5134f830488so2295997e87.0; Tue, 05 Mar 2024 21:27:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1709702871; x=1710307671; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=o6XANTBlf+Hs9bvtmVOEbSoR6w8IVhuP5PyAmad96gU=; b=nkIlz7z7+/TzMXCTrizfss9B9s7aOYq+cB9Hr1H1J/v+n44zMaRXevLvK3EOOB5jEQ GP3+PQAy0gbV6PSc0wO0xKzDHDm82J7Z4znTJGXDSTojTAPdoV6lvQ6O5g57zlupVLDU DdoQl9LAZviwBcozn0FeoI7hP3dnExq4kLoPAUWgVRMoC7KL+A/BDNvypJWtmpNPMFCk FZKD3Qsn97pkJ53IQyxoVO0rgJaNuE4PwhLKO+zb2cyJk170IfbtBNuUmOsHCa2JAUDR CRb3VMYTj/EVRX3JYbuU8n32RqHHWZ51j6im5j6pssrEwbbV6LqIBuw54QYq0e7mWlwH mONA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709702871; x=1710307671; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=o6XANTBlf+Hs9bvtmVOEbSoR6w8IVhuP5PyAmad96gU=; b=fr6V+g0XvnirDDtl+V6+4lqMBupX38d5jDJ+OLWJPeErQfWICS8bjYZsdOPxnpektC 1DPRsAqz1/bPAbzaz+1CsetKg+vHn/kTgASfg2rij0CGzce2OOOf6oaQNPWbdvB9Cb4z s7gpg2VnsGrGKclKqLzfR48/qOslT5FV68Dp1+werH02ocOzKu8SL+bmUcqbuI+o/Qmz B5Bfc4R6yG67lWUGr4XHP0k0MwH4Vh1yqy2XcGxc7gpnnBkUxIU3w2CBjZda1Rd37QB7 JEuWQXtuh+pvtImsn8L9PWECV6403hTjEtTfzyngsEtUBTLJjEXvyEkR5lpaVj6t21i4 45Ww== X-Forwarded-Encrypted: i=1; AJvYcCU2HsrU0K+Hoa5/YeUDReJbvo/EcvQvCatEUJO/Bjgn2G0R3dn5oZ/VcRllPlrI450XcZXf8vXpFy7rTo/3Kb1/SvZtfqwgZ+Vep9Vo2egdn6CxXDgKDL58OxFppO6NGrB3My5gzTLcaA== X-Gm-Message-State: AOJu0Yw/Iid+fVppU9NqjSfLg9udawGKtAzHdBtJA9P6rRoBHclvhWFN pDm0W3iQyP8ehuj8vv7ReLkc4g6z62VA29km9YbSYOr5eYQ/YomGWI2v3jNJM+WmJeQQ56AOvW4 OpljL6Bfs7Zzz0D3C0ap7Qn0yvbWlVJBfDaPgEw== X-Received: by 2002:a05:6512:3194:b0:513:5eb5:f7f4 with SMTP id i20-20020a056512319400b005135eb5f7f4mr369476lfe.55.1709702870587; Tue, 05 Mar 2024 21:27:50 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240222181324.28242-1-fancer.lancer@gmail.com> In-Reply-To: <20240222181324.28242-1-fancer.lancer@gmail.com> From: Shubhrajyoti Datta Date: Wed, 6 Mar 2024 10:57:38 +0530 Message-ID: Subject: Re: [PATCH v5 00/20] EDAC/mc/synopsys: Various fixes and cleanups To: Serge Semin Cc: Michal Simek , Alexander Stein , Borislav Petkov , Tony Luck , James Morse , Mauro Carvalho Chehab , Robert Richter , Punnaiah Choudary Kalluri , Dinh Nguyen , Arnd Bergmann , Greg Kroah-Hartman , linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, Feb 22, 2024 at 11:52=E2=80=AFPM Serge Semin wrote: > > This patchset is a first one in the series created in the framework of > my Synopsys DW uMCTL2 DDRC-related work: > > [1: In-progress v5] EDAC/mc/synopsys: Various fixes and cleanups > Link: ---you are looking at it--- > [2: In-progress v4] EDAC/synopsys: Add generic DDRC info and address mapp= ing > Link: https://lore.kernel.org/linux-edac/20230920192806.29960-1-fancer.la= ncer@gmail.com > [3: In-progress v4] EDAC/synopsys: Add generic resources and Scrub suppor= t > Link: https://lore.kernel.org/linux-edac/20230920195720.32047-1-fancer.la= ncer@gmail.com > > Note the patchsets above must be merged in the same order as they are > placed in the list in order to prevent conflicts. Nothing prevents them > from being reviewed synchronously though. Any tests are very welcome. > Thanks in advance. > > The main goal of the entire set of the changes provided in the mentioned > patchsets is to as much as possible specialise the synopsys_edac.c driver > to be working with the Synopsys DW uMCTL2 DDR controllers of various > versions and synthesized parameters, and add useful error-detection > features. > > Regarding this series content. It's an initial patchset which > traditionally provides various fixes, cleanups and modifications required > for the more comfortable further features development. The main goal of i= t > though is to detach the Xilinx Zynq A05 DDRC related code into the > dedicated driver since first it has nothing to do with the Synopsys DW > uMCTL2 DDR controller and second it will be a great deal obstacle on the > way of extending the Synopsys-part functionality. > > The series starts with the fixes patches, which in short concern the next > aspects: touching the ZynqMP-specific CSRs on the Xilinx ZinqMP platform > only, serializing an access to the ECCCLR/ECCCTL register, adding correct= memory > devices type detection, setting a correct value to the > mem_ctl_info.scrub_cap field, dropping an erroneous ADDRMAP[4] parsing an= d > getting back a correct order of the ECC errors info detection procedure. > > Afterwards the patchset provides several cleanup patches required for the > more coherent code splitting up (Xilinx Zynq A05 and Synopsys DW uMCTL2 > DDRCs) so the provided modifications would be useful in both drivers. > First the platform resource open-coded IO-space remapping is replaced wit= h > the devm_platform_ioremap_resource() method call for the sake of the code > simplification. Secondly the next redundant entities are dropped: interna= l > CE/UE errors counters, local to_mci() macros definition, some redundant > ecc_error_info structure fields and redundant info from the error message= , > duplicated dimm->nr_pages debug printout and spaces from the MEM_TYPE > flags declarations. (The later two updates concern the MCI core part.) > Thirdly before detaching the Zynq A05-related code an unique MC index > allocation infrastructure is added to the MCI core. It's required since > after splitting the driver up both supported types of memory devices coul= d > be correctly probed on the same platform. Note even though it's currently > unsupported by the synsopsys_edac.c driver it's claimed to be possible by > the original driver author (it was a reason of having two unrelated > devices supported in a single driver). Finally the Xilinx Zynq A05 part o= f > the driver is moved out to a dedicated driver. After that the > platform-specific setups API is removed from the Synopsys DW uMCTL2 DDRC > driver since it's no longer required. > > Finally as the cherry on the cake a set of the local coding style > cleanups are provided: unify the DW uMCTL2 DDRC driver entities naming an= d > replace the open-coded "shift/mask" pattern with the kernel helpers like > BIT/GENMASK/FIELD_x in there. It shall significantly improve the code > readability. > For the zynqmp Reviewed-by: Shubhrajyoti Datta Thanks, > Changelog v2: > - Move Synopsys DW uMCTL2 DDRC bindings file renaming to a separate patch= . > (@Krzysztof) > - Introduce a new compatible string "snps,dw-umctl2-ddrc" matching the ne= w > DT-schema name. > - Forgot to fix some of the prefix of the SYNPS_ZYNQMP_IRQ_REGS macro > in several places. (@tbot) > - Drop the no longer used "priv" pointer from the mc_init() function. > (@tbot) > - Include "linux/bitfield.h" header file to get the FIELD_GET macro > definition. (@tbot) > - Drop the already merged in patches: > [PATCH 12/20] EDAC/mc: Replace spaces with tabs in memtype flags definiti= on > [PATCH 13/20] EDAC/mc: Drop duplicated dimm->nr_pages debug printout > > Changelog v3: > - Drop the no longer used "priv" pointer from the mc_init() function. > (@tbot) > - Drop the merged in patches: > [PATCH v2 14/19] dt-bindings: memory: snps: Detach Zynq DDRC controller s= upport > [PATCH v2 15/19] dt-bindings: memory: snps: Use more descriptive device n= ame > (@Krzysztof) > > Changelog v4: > - Remove Rob, Krzysztof and DT-mailing list from Cc since the respective > patches have already been merged in. > - Add a new patch > [PATCH v4 6/20] EDAC/synopsys: Fix misleading IRQ self-cleared quirk fl= ag > detached from the very first patch of the series. > - Add a new patch > [PATCH v4 15/20] EDAC/mc: Re-use generic unique MC index allocation pro= cedure > - Add a new patch > [PATCH v4 18/20] EDAC/synopsys: Unify CSRs macro declarations > collecting the changes from various patches of the series. > - Drop redundant empty lines left by mistake. > - Drop private counters access from the check_errors() method too. > - Rebase onto the kernel v6.6-rcX. > > Link: https://lore.kernel.org/linux-edac/20230920191059.28395-1-fancer.la= ncer@gmail.com > Changelog v5: > - Fix function names in the zynq_edac.c kdoc. > - Rebase onto the kernel 6.8-rc3. > > Signed-off-by: Serge Semin > Cc: Punnaiah Choudary Kalluri > Cc: Dinh Nguyen > Cc: Arnd Bergmann > Cc: Greg Kroah-Hartman > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-edac@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > > Serge Semin (20): > EDAC/synopsys: Fix ECC status data and IRQ disable race condition > EDAC/synopsys: Fix generic device type detection procedure > EDAC/synopsys: Fix mci->scrub_cap field setting > EDAC/synopsys: Drop erroneous ADDRMAP4.addrmap_col_b10 parse > EDAC/synopsys: Fix reading errors count before ECC status > EDAC/synopsys: Fix misleading IRQ self-cleared quirk flag > EDAC/synopsys: Use platform device devm ioremap method > EDAC/synopsys: Drop internal CE and UE counters > EDAC/synopsys: Drop local to_mci() macro definition > EDAC/synopsys: Drop struct ecc_error_info.blknr field > EDAC/synopsys: Shorten out struct ecc_error_info.bankgrpnr field name > EDAC/synopsys: Drop redundant info from the error messages > EDAC/mc: Init DIMM labels in MC registration method > EDAC/mc: Add generic unique MC index allocation procedure > EDAC/mc: Re-use generic unique MC index allocation procedure > EDAC/synopsys: Detach Zynq A05 DDRC support to separate driver > EDAC/synopsys: Drop unused platform-specific setup API > EDAC/synopsys: Unify CSRs macro declarations > EDAC/synopsys: Unify struct/macro/function prefixes > EDAC/synopsys: Convert to using BIT/GENMASK/FIELD_x macros > > MAINTAINERS | 1 + > drivers/edac/Kconfig | 9 +- > drivers/edac/Makefile | 1 + > drivers/edac/dmc520_edac.c | 4 +- > drivers/edac/edac_mc.c | 135 ++++- > drivers/edac/edac_mc.h | 4 + > drivers/edac/pasemi_edac.c | 5 +- > drivers/edac/ppc4xx_edac.c | 5 +- > drivers/edac/synopsys_edac.c | 967 ++++++++++++----------------------- > drivers/edac/zynq_edac.c | 501 ++++++++++++++++++ > 10 files changed, 963 insertions(+), 669 deletions(-) > create mode 100644 drivers/edac/zynq_edac.c > > -- > 2.43.0 > >