From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CC6BEC282EC for ; Fri, 14 Mar 2025 11:54:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=q3k7fvz1tmhIjGgQ1ycjom2LPIMfNTsp0uqFM8k2kiw=; b=p/dRcI8PzBm+teTX6B3Cz1zUWH ++QMaRrfb4f9QXWxy+bo7J8eK6zhhUvgzitVYcDaoDXomcFXipRmQQ1C9M3V7pwecrlwa0V3IGoGm WUvai4cjQNpiUDAgjs3GlVWIob4Dl8qKn/0ZY+30M6rFCPcz2w0hNNfjSpk3DwAyoOqms5aWgSEcV ULOCzSGAmp3f+elNSuOpkI7mnN2JM12+xCkoLRfpPFxzMkyagIMJNDn5eN4f1hjz967mL6JHwgqX9 8ddAt+Q2rRq4YOdJ6bsO4YrkdxqmJ8XxKvelP8gJK9VRhU2auftxt4K0z1zNSsahwBi4qgZEFqxbZ VDX/yrog==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tt3cl-0000000E4Zt-3JG5; Fri, 14 Mar 2025 11:54:47 +0000 Received: from mail-pl1-x633.google.com ([2607:f8b0:4864:20::633]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tt3aN-0000000E4NU-0ZVt for linux-arm-kernel@lists.infradead.org; Fri, 14 Mar 2025 11:52:20 +0000 Received: by mail-pl1-x633.google.com with SMTP id d9443c01a7336-224019ad9edso51429715ad.1 for ; Fri, 14 Mar 2025 04:52:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1741953138; x=1742557938; darn=lists.infradead.org; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=q3k7fvz1tmhIjGgQ1ycjom2LPIMfNTsp0uqFM8k2kiw=; b=lFDSqmWu70mhAR+As5jwMxny1FtxIjX2N7ADc3LCjFY237crcqaJ9ag6QBnIUEqlfj B7ixSYSDI42u3N4XlsIiV8NfnMlzveOrCIbuBl32aehwkKeSha7pg6x7dTga6Q/d82f9 iJSSQReK/mIdGV0PHNeWEdq73hZVTi/ZIIxLIogct+zuuyCQ4nL2Id73GqgQTdzP9Wfo YV8ZLUZKepkpAcO6tBdy6Xo+DlH0Rv7m7fme8w6yMCEK5Ecfw5mC53uOWRoY95Srvg+q jskgnk5Da43Y5PN+/Z+pjbMVPbMU/e6EozA6Fmkg4Mqtpsz2aAeBm1bFJ19RzAjRXVoa KekA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741953138; x=1742557938; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=q3k7fvz1tmhIjGgQ1ycjom2LPIMfNTsp0uqFM8k2kiw=; b=sA8vCDgx2FbgqEBN4LYFHsgbYQRVMI94zTGad/NIF8unSQbRb7y2+NfNiEcnv+rWII GsJJmEhBSxp24TxgUVAxH1H4TDO/Gmd+eZeW2yez972dqwJyMmlw4NnNeGNxU2NpfE1B pngfZTI8Su0LbbXl65QxWbWLgepYKZM1hvSS4ACPjg1FHcSTRFr4VSOCJwqSqqEDVilp ORDWJQYJkwqYzm9QrdkehIZAwttzIU/sxYJdA46BJZjhoCUEoFeOKi84OWkWQDlJ7coh CDdTw5Kw54riL1YtmgZHHl1gfhzfzOHA48nByfYLZnhnA+ENeRZCgTsaVtO6GQzAC4HF b/+A== X-Forwarded-Encrypted: i=1; AJvYcCXtddcJgHIB+zk7b/mo6VkAH/yXiQHfhro1brgYoOlIj7KzyBZA8KJJcr90k+wpcoSA5T+f+ssPi65KrhlECrNu@lists.infradead.org X-Gm-Message-State: AOJu0YyhJePPyFVxyLOMwD+q+K6PReNFT/02n73Bekade+uk+DQZUALT WJ99OdAfZ6ZaJVYCML+d50kdv97yFmdlJ9uROuRxRRfRPWqjZjLNQvZSp86gDA== X-Gm-Gg: ASbGncucG0UZGO3gZO7sK8xVx8dTidNzlBvU3AVG0qKVJKVfgxEBeNgCfQY3pKwoc6w A1LEO5xlddMEA6w4pnZ4RPvvAqPdPm4Bick5OxxrwzGdRzXmgd7FkPaUTuAByvrvecOPaNuGK7N vLFAMXSDUE7jYEFZQvSNuATIEQVMKvJJg7kYLCh7gFTYUq6LmphSrY55ZQrnNR4HolfgGfDRGHV f6nYYCqfX0AVDcGSe8/RPztIfbTecQcdgGWiMlrv6aBhJLEKYQyKBYdW85BIb1C6MAYWubBB9J9 RQm6UxPDPV2chB4ei3RKSdU8/WrFTdGb38DI7eViQbXPxazkvD1QcpNQ X-Google-Smtp-Source: AGHT+IG5j5a+pzEwcsJNmm0hEeTrp2CuiBSxB3Ea66ul7lGwBGWPT/QsbfK1PDyEJKG9pn3UaFiZdQ== X-Received: by 2002:a05:6a20:7f8d:b0:1f5:80a3:b008 with SMTP id adf61e73a8af0-1f5c13165c8mr3802766637.32.1741953137749; Fri, 14 Mar 2025 04:52:17 -0700 (PDT) Received: from thinkpad ([120.56.195.144]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-737115295e5sm2751523b3a.23.2025.03.14.04.52.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Mar 2025 04:52:17 -0700 (PDT) Date: Fri, 14 Mar 2025 17:22:12 +0530 From: Manivannan Sadhasivam To: Niklas Cassel Cc: Jingoo Han , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , Heiko Stuebner , Shawn Lin , Damien Le Moal , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH v3 0/2] PCI: dw-rockchip: hide broken ATS cap in EP-mode Message-ID: <20250314115212.ywlee4vyuxyq4x6s@thinkpad> References: <20250310094826.842681-4-cassel@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250310094826.842681-4-cassel@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250314_045219_169143_1E0EF8A9 X-CRM114-Status: GOOD ( 14.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Mar 10, 2025 at 10:48:26AM +0100, Niklas Cassel wrote: > Hello there, > > Address Translation Services (ATS) is broken on rk3588 when running the > PCIe controller in Endpoint Mode. > > This causes IOTLB invalidation timeout errors on the host side when using > and rk3588 in Endpoint Mode, and you are unable to run pci_endpoint_test. > > Solve this by hiding the ATS capability. > With this, we do not get any IOTLB invalidation timeouts, and we can run > pci_endpoint_test successfully. > Reviewed-by: Manivannan Sadhasivam - Mani > > Changes since v2: > -Added missing EXPORT_SYMBOL_GPL(). > > > Niklas Cassel (2): > PCI: dwc: ep: Add dw_pcie_ep_hide_ext_capability() > PCI: dw-rockchip: Hide broken ATS capability > > .../pci/controller/dwc/pcie-designware-ep.c | 39 +++++++++++++++++++ > drivers/pci/controller/dwc/pcie-designware.h | 7 ++++ > drivers/pci/controller/dwc/pcie-dw-rockchip.c | 27 +++++++++++++ > 3 files changed, 73 insertions(+) > > -- > 2.48.1 > -- மணிவண்ணன் சதாசிவம்