From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=7v4i=DN=lists.infradead.org=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
X-Spam-Level: 
X-Spam-Status: No, score=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH,
	DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,
	NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1
	autolearn=no autolearn_force=no version=3.4.0
Received: from mail.kernel.org (mail.kernel.org [198.145.29.99])
	by smtp.lore.kernel.org (Postfix) with ESMTP id 2C273C41604
	for <linux-amlogic@archiver.kernel.org>; Tue,  6 Oct 2020 06:27:22 +0000 (UTC)
Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134])
	(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by mail.kernel.org (Postfix) with ESMTPS id ADC3A206DD
	for <linux-amlogic@archiver.kernel.org>; Tue,  6 Oct 2020 06:27:21 +0000 (UTC)
Authentication-Results: mail.kernel.org;
	dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="aBEvzXF/";
	dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="AK0csA0A"
DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ADC3A206DD
Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com
Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;
	d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type:
	Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive:
	List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From:
	References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date:
	Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner;
	 bh=7tJHo7sIoeOfSnt6GJDW4CJ5XxP7a69sIYNMtp6im0w=; b=aBEvzXF/Q+wOZAd3wYUBD2QsL
	vSlfl+nM/yZbMv79FY9uEg9276Q4IYyT/lKTKgztzg1KIJrVOTLw80J/NWI/OLZKFBmnVwSNIKazq
	4f832ykIKp8qvNrM6XBqgekA/bEvaUw4nMCzaYa1EIlMDZ2uMy+KghcU+y5EhGDtJOE51yMj0uADt
	AVU3zotrGZLUS3jVqyysIzwisQKYn4Fumq1MQjRViycXAUJ1LdXdBGGFB/npOcqplMkDBnO2x4heQ
	ey1Txup7/vDi25Uh9tyySu3iU01tgb6VN9RrJHnDCf3eGIdiq+Y69bx5P8wsWOnPeZOCbnjmG/C4y
	S4zFzbf8w==;
Received: from localhost ([::1] helo=merlin.infradead.org)
	by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux))
	id 1kPgRM-0007qa-Uv; Tue, 06 Oct 2020 06:27:12 +0000
Received: from hqnvemgate26.nvidia.com ([216.228.121.65])
 by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux))
 id 1kPgRI-0007pK-RM; Tue, 06 Oct 2020 06:27:09 +0000
Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by
 hqnvemgate26.nvidia.com (using TLS: TLSv1.2, AES256-SHA)
 id <B5f7c0e290000>; Mon, 05 Oct 2020 23:26:49 -0700
Received: from [10.25.78.32] (172.20.13.39) by HQMAIL107.nvidia.com
 (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 6 Oct
 2020 06:26:39 +0000
Subject: Re: [PATCH v2 0/5] PCI: dwc: improve msi handling
To: Jisheng Zhang <Jisheng.Zhang@synaptics.com>, Kishon Vijay Abraham I
 <kishon@ti.com>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Rob Herring
 <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, Jingoo Han
 <jingoohan1@gmail.com>, Kukjin Kim <kgene@kernel.org>, Krzysztof Kozlowski
 <krzk@kernel.org>, Richard Zhu <hongxing.zhu@nxp.com>, Lucas Stach
 <l.stach@pengutronix.de>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer
 <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>,
 Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, "Yue
 Wang" <yue.wang@Amlogic.com>, Kevin Hilman <khilman@baylibre.com>, "Neil
 Armstrong" <narmstrong@baylibre.com>, Jerome Brunet <jbrunet@baylibre.com>,
 Martin Blumenstingl <martin.blumenstingl@googlemail.com>, Jesper Nilsson
 <jesper.nilsson@axis.com>, Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
 Xiaowei Song <songxiaowei@hisilicon.com>, Binghui Wang
 <wangbinghui@hisilicon.com>, Andy Gross <agross@kernel.org>, Bjorn Andersson
 <bjorn.andersson@linaro.org>, Stanimir Varbanov <svarbanov@mm-sol.com>,
 Pratyush Anand <pratyush.anand@gmail.com>, Thierry Reding
 <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, "Kunihiko
 Hayashi" <hayashi.kunihiko@socionext.com>, Masahiro Yamada
 <yamada.masahiro@socionext.com>
References: <20200924190421.549cb8fc@xhacker.debian>
From: Vidya Sagar <vidyas@nvidia.com>
Message-ID: <b977d9b4-cc98-e817-0d51-8f2c6ba1445d@nvidia.com>
Date: Tue, 6 Oct 2020 11:56:34 +0530
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101
 Thunderbird/78.2.1
MIME-Version: 1.0
In-Reply-To: <20200924190421.549cb8fc@xhacker.debian>
Content-Language: en-US
X-Originating-IP: [172.20.13.39]
X-ClientProxiedBy: HQMAIL107.nvidia.com (172.20.187.13) To
 HQMAIL107.nvidia.com (172.20.187.13)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1;
 t=1601965609; bh=+klW06t1SRSkGS8ctt+a82sY0wQKshniw25tq0QSLaQ=;
 h=Subject:To:CC:References:From:Message-ID:Date:User-Agent:
 MIME-Version:In-Reply-To:Content-Type:Content-Language:
 Content-Transfer-Encoding:X-Originating-IP:X-ClientProxiedBy;
 b=AK0csA0Ad2YZWQjDqG6mpJBocxrJivGMWN4Ul4Khquqsz4sXDbayWAKH2+5u2Z3hb
 Dwnnnmie9OTCA1ZI5fcvM10RVW6SwfJHdZN6r1gyuhgUp4wspP3HQiKKeaPJRlt6TS
 ftqc47lNt61dYxJBT6XlkXDgwQYBcnZRalTTLs1O2CA9N1xHXNIzMp/9BCFgF/3j4d
 FR/UwmF0Mrck4tf7j34h+cbH01kRo3EmTivl9RItdCJTzy1Ka9lt1SfGAsf/zUW7Wi
 aU56gk+7gz9xzR1PbXKZ3xMUxaPWpmb7fA52h1f/jWv9XAwAZ3SE3V+Y+LHJj7Q+fE
 l3eYB+DIUVnkA==
X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 
X-CRM114-CacheID: sfid-20201006_022709_028092_1E8ED985 
X-CRM114-Status: GOOD (  18.40  )
X-BeenThere: linux-amlogic@lists.infradead.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: <linux-amlogic.lists.infradead.org>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-amlogic>, 
 <mailto:linux-amlogic-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/linux-amlogic/>
List-Post: <mailto:linux-amlogic@lists.infradead.org>
List-Help: <mailto:linux-amlogic-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-amlogic>,
 <mailto:linux-amlogic-request@lists.infradead.org?subject=subscribe>
Cc: "linux-samsung-soc@vger.kernel.org" <linux-samsung-soc@vger.kernel.org>,
 "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
 "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
 "linux-arm-kernel@axis.com" <linux-arm-kernel@axis.com>,
 "linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
 "linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
 "linux-amlogic@lists.infradead.org" <linux-amlogic@lists.infradead.org>,
 "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
 "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset="us-ascii"; Format="flowed"
Sender: "linux-amlogic" <linux-amlogic-bounces@lists.infradead.org>
Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org

Hi,
I would like to verify this series along with the other series "PCI: 
dwc: fix two MSI issues" on Tegra194. I tried to apply these series on 
both linux-next and Lorenzo's pci/dwc branches but there seem to be non 
trivial conflicts. Could you please tell me which branch I can use and 
apply these series cleanly?
FWIW, I acknowledge that the existing code does leak MSI target page 
every time system goes through suspend-resume sequence on Tegra194.

Thanks,
Vidya Sagar

On 9/24/2020 4:35 PM, Jisheng Zhang wrote:
> External email: Use caution opening links or attachments
> 
> 
> Improve the msi code:
> 1. Add proper error handling.
> 2. Move dw_pcie_msi_init() from each users to designware host to solve
> msi page leakage in resume path.
> 
> Since v1:
>    - add proper error handling patches.
>    - solve the msi page leakage by moving dw_pcie_msi_init() from each
>      users to designware host
> 
> 
> Jisheng Zhang (5):
>    PCI: dwc: Call dma_unmap_page() before freeing the msi page
>    PCI: dwc: Check alloc_page() return value
>    PCI: dwc: Rename dw_pcie_free_msi to dw_pcie_msi_deinit
>    PCI: dwc: Skip PCIE_MSI_INTR0* programming if MSI is disabled
>    PCI: dwc: Move dw_pcie_msi_init() from each users to designware host
> 
>   drivers/pci/controller/dwc/pci-dra7xx.c       |  1 +
>   drivers/pci/controller/dwc/pci-exynos.c       |  2 -
>   drivers/pci/controller/dwc/pci-imx6.c         |  3 --
>   drivers/pci/controller/dwc/pci-meson.c        |  8 ----
>   drivers/pci/controller/dwc/pcie-artpec6.c     | 10 -----
>   .../pci/controller/dwc/pcie-designware-host.c | 43 +++++++++++++------
>   .../pci/controller/dwc/pcie-designware-plat.c |  3 --
>   drivers/pci/controller/dwc/pcie-designware.h  |  9 +++-
>   drivers/pci/controller/dwc/pcie-histb.c       |  3 --
>   drivers/pci/controller/dwc/pcie-kirin.c       |  3 --
>   drivers/pci/controller/dwc/pcie-qcom.c        |  3 --
>   drivers/pci/controller/dwc/pcie-spear13xx.c   |  1 -
>   drivers/pci/controller/dwc/pcie-tegra194.c    |  2 -
>   drivers/pci/controller/dwc/pcie-uniphier.c    |  9 +---
>   14 files changed, 38 insertions(+), 62 deletions(-)
> 
> --
> 2.28.0
> 

_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic