Received: by 2002:a89:d88:0:b0:1fa:5c73:8e2d with SMTP id eb8csp2405817lqb; Mon, 27 May 2024 20:39:20 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCXxRSIlrIT9XMFDk9GbbKUxbFdHBOcnRpg6FTgmHk3hNP58FPR2nBZd26Wbd5vft3/h+iTeQhWbqE9LYMzf6BSEnwcdKfOuu0iSyw23yA== X-Google-Smtp-Source: AGHT+IH0TTLCBqOxe2NUT60g0fgiWqRv5wyNmT35ZgIec7o9bFOfMLjvwOJMBSQEHekgrOrGyH5A X-Received: by 2002:a05:6a20:9790:b0:1aa:7097:49e2 with SMTP id adf61e73a8af0-1b212e02f1cmr13597577637.50.1716867560028; Mon, 27 May 2024 20:39:20 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1716867560; cv=pass; d=google.com; s=arc-20160816; b=pxe9NCr/OAYCTJjHudRWhLnnmjKD5kuv3LHe1oYZ0e1s2eW6XsihbqmjzICEXzhKrK /hSDfQbDaLram6ti5HaZfoWrthufP+YOfLwDkWiThAq8oOdpJHzEIVZq2gXCbHdYaa03 GvNKm4Eb3faLKhf6DJS9UW7ZFdPwGndewsUfXhO/G3S3eIO7x+neXN4Jeyj9VSkOXN/V NIt6tiaTMbZ/iIabnsSqkJOm6xVS73MshzZOCghLHxzZgip+tdE6f7cc2dLEKoW/eij1 hwPXnkew9VtgvMJ2x2rsPMu2YmL2Nhcg/sXifDjyDmMp/bBh6HY6OH2ki6WrBFI1GNLt +fug== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=6IDzK8I23uI+1GOc7YLnjO9lOHMiacpbrxtGjulvorQ=; fh=i1vBkV/nLDMGIp3SRHBJqrzzMtU7gsnhy6422R3N+ek=; b=n7QksiLEedyzZwmOfD6R2f1Gf1hiUi3BArzc1HyQRxmTKLUkEkILnjeN4xeZlv4cVT 00AwccQZGgbZL53bgancbLKGQhD7XXLey+xsrWrEOCuWD9xEj2Guxf+RktkBGw3mnChx d1dvQCxtBInXBM5rPeP9ALTMTFlqDKdEbGQk1SxhYbODDtEGQUZ+thQXKFRQPo32sdB+ k5eVGz+VIeZSlIKDbbGbbrAWFi3q36MKrBMa4KPB0lfEg2aeOLDA+OG9OkiAro63mny8 Atsnj4ceEqvWxZNiLOC8pSvqDKyRhEw6fsaVcCj2o113jzE0/lpsS8i1qp1NDtRV0xC5 6kDg==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Ms27zq8G; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-191706-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-191706-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [139.178.88.99]) by mx.google.com with ESMTPS id d9443c01a7336-1f44c998914si69590045ad.340.2024.05.27.20.39.19 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 May 2024 20:39:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-191706-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Ms27zq8G; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-191706-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-191706-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org 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 A4F3A283EAF for ; Tue, 28 May 2024 03:39:19 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0320613F422; Tue, 28 May 2024 03:33:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ms27zq8G" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A06513E050; Tue, 28 May 2024 03:33:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716867191; cv=none; b=NxwfvlwY05bILeq6+S59kNnL5NMRFFHIzBeMo3VAuaMb0W4w2ARgdIQfY4RMb7rIIGuLYbaXHoIv9qrPVXsHCGAP76MivigTENAHIf89qNEBMfEfOy9B+DlZ6OacWLogur3hg609HOd3j7013l6u4TWSJCZidF5+o+lJcLDaxpw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716867191; c=relaxed/simple; bh=Da6ub8AGzK3CfyM3tZdtD9pKrb9IWIIWPX7ocvw+vik=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Z4KHalR0zKzk3SQL7O76oRKIrmtewavTUq7mww48kih9tAF5/5yTAymbpBO/oPWUwucpxNnIu8utZDbSDzCf1z8CwILrCsOSpad/Csby6xEnJL+yPINVA/KFY6Oa/OAbSzAkVowt+nASRJKo8wwD49dbmPbZNcm2i4r53vwE4I4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ms27zq8G; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F833C3277B; Tue, 28 May 2024 03:33:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1716867191; bh=Da6ub8AGzK3CfyM3tZdtD9pKrb9IWIIWPX7ocvw+vik=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ms27zq8GIb9HDV4AuPq+9EwekKzeGEjiPbHw39S9Vc4oKqB6n9IF8caQWNg/ziQ/H L9SB4ZwHEsQrNLB4V5oiUC/6fFzQ3ind1VI015ZpqsvhIVrYHjWy0Hz0Im0Y5fSdGe go1Mzq46CrymX6cl8CA9rcvSfjvIHQVqPKpwim5vfY0PF2qJgrmHoFkTmMyKBdxSIV istCCiCToG7iFrhq0xkSAsj3vCJEAmmduJIQb5Nf1oZr/zPOmhbvnHiZpffMkN4za0 HGIa26xQ1kTdime0b2ZogL9QCLLY6Jb7xJor4RABq6/3X9wO2CiI9of18VIgHjVwPA qv99v1PN9WPRw== From: Bjorn Andersson To: krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, konrad.dybcio@linaro.org, manivannan.sadhasivam@linaro.org, robh@kernel.org, Mrinmay Sarkar Cc: quic_shazhuss@quicinc.com, quic_nitegupt@quicinc.com, quic_ramkri@quicinc.com, quic_nayiluri@quicinc.com, quic_krichai@quicinc.com, quic_vbadigan@quicinc.com, quic_schintav@quicinc.com, Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Bjorn Helgaas , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: (subset) [PATCH v7 0/3] arm64: qcom: sa8775p: add cache coherency support for SA8775P Date: Mon, 27 May 2024 22:32:30 -0500 Message-ID: <171686715168.523693.9031947967155773855.b4-ty@kernel.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <1710166298-27144-1-git-send-email-quic_msarkar@quicinc.com> References: <1710166298-27144-1-git-send-email-quic_msarkar@quicinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Mon, 11 Mar 2024 19:41:34 +0530, Mrinmay Sarkar wrote: > Due to some hardware changes, SA8775P has set the NO_SNOOP attribute > in its TLP for all the PCIe controllers. NO_SNOOP attribute when set, > the requester is indicating that no cache coherency issues exist for > the addressed memory on the host i.e., memory is not cached. But in > reality, requester cannot assume this unless there is a complete > control/visibility over the addressed memory on the host. > > [...] Applied, thanks! [3/3] arm64: dts: qcom: sa8775p: Mark PCIe EP controller as cache coherent commit: 4b220c6fa9f379cb8803dbca73ae1f4128dfa5c8 Best regards, -- Bjorn Andersson