From mboxrd@z Thu Jan 1 00:00:00 1970 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 99DCD2D1319; Tue, 28 Oct 2025 22:39:01 +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=1761691141; cv=none; b=QCNjmiiygOzLvfdDpL+RUIFH8SKwnqMbPsHHUpnxTDtWQ2V6s8It+ArFE/Wy07DGVAxmJI2zpW6mNOM43PPEyjqXDJ1VKGa4RskWmhNeVS0786wVqMMGaZNtFRu2W11Qg/bb4kha3k1bGIU7QHoRFQUfEVpIwG9s7mSVV2pjF40= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761691141; c=relaxed/simple; bh=4XDrRjgMgePVe6D8cwsvwDhjr3zdZYOD7rLj0NQPFK8=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=DE8iabDYEoewEzLy/mOc5KXMZ8LJJbFOVLBpvZWfqdMpLKkklG45XvjMDqV7CyFReU3p3m2s9MFrUI5KsolBZsb+Nv0fWeU8MB1R3A1gswc2koqIsjVxkFHFqNhSZy6YxI/WQeNKTPeTal1fff/MbPkgwOMPfJTyJDeyeDZoJwo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Z1hOEuv6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Z1hOEuv6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2114BC4CEE7; Tue, 28 Oct 2025 22:39:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761691141; bh=4XDrRjgMgePVe6D8cwsvwDhjr3zdZYOD7rLj0NQPFK8=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=Z1hOEuv6ySMU+0QmtzomMmC788GmtWwDm0T936SEt9rozV/2nOdsJX8BVmmb89pZn q0z7H+pyj5INp367mlS8Ffp/7vyQMIgdW83PF8jJMcYZ+ZIg7n0oE8Uw97WJ5Uwd0M LxcLUp1Jc3TGdMJQw0NZr9fp3DFtqGc5Z1ns28A48HoJNJSh3iA4y6fWgq7T5EGHS6 6OBYA1c25InFp1umvyk14JEt3n1HEo/nl6gGW+k5uNNCQGoWuV+XSIc483hLBUK3LI tgb8JZa/zbh2nJBHC3lgRr6nzOtBi5EbozdbcMfteT3X0zkAyMt9WVV6GG59D+4AMg z6jNlS7GMRYjA== Date: Tue, 28 Oct 2025 17:38:59 -0500 From: Bjorn Helgaas To: Ron Economos Cc: Krishna Chaitanya Chundru , Manivannan Sadhasivam , Conor Dooley , bhelgaas@google.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv , Paul Walmsley , Greentime Hu , Samuel Holland , regressions@lists.linux.dev Subject: Re: SiFive FU740 PCI driver fails on 6.18-rc1 Message-ID: <20251028223859.GA1538617@bhelgaas> 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-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <6bf478b8-2194-4ffb-aaac-8e3e314ad71c@w6rz.net> On Fri, Oct 17, 2025 at 07:21:06AM -0700, Ron Economos wrote: > On 10/17/25 04:43, Krishna Chaitanya Chundru wrote: > > On 10/15/2025 7:33 PM, Manivannan Sadhasivam wrote: > > > On Tue, Oct 14, 2025 at 03:41:39PM -0700, Ron Economos wrote: > > > > On 10/14/25 09:25, Manivannan Sadhasivam wrote: > > > > > On Mon, Oct 13, 2025 at 10:52:48PM -0700, Ron Economos wrote: > > > > > > On 10/13/25 22:36, Krishna Chaitanya Chundru wrote: > > > > > > > > > > > > > > On 10/14/2025 10:56 AM, Ron Economos wrote: > > > > > > > > On 10/13/25 22:20, Krishna Chaitanya Chundru wrote: > > > > > > > > > > > > > > > > > > On 10/14/2025 2:58 AM, Bjorn Helgaas wrote: > > > > > > > > > > [+cc FU740 driver folks, Conor, regressions] > > > > > > > > > > > > > > > > > > > > On Mon, Oct 13, 2025 at 12:14:54AM -0700, Ron Economos wrote: > > > > > > > > > > > The SiFive FU740 PCI driver fails on the HiFive > > > > > > > > > > > Unmatched board with Linux > > > > > > > > > > > 6.18-rc1. The error message is: > > > > > > > > > > > > > > > > > > > > > > [    3.166624] fu740-pcie e00000000.pcie: host bridge > > > > > > > > > > > /soc/pcie@e00000000 > > > > > > > > > > > ranges: > > > > > > > > > > > [    3.166706] fu740-pcie e00000000.pcie: IO > > > > > > > > > > > 0x0060080000..0x006008ffff -> 0x0060080000 > > > > > > > > > > > [    3.166767] fu740-pcie e00000000.pcie: MEM > > > > > > > > > > > 0x0060090000..0x007fffffff -> 0x0060090000 > > > > > > > > > > > [    3.166805] fu740-pcie e00000000.pcie: MEM > > > > > > > > > > > 0x2000000000..0x3fffffffff -> 0x2000000000 > > > > > > > > > > > [    3.166950] fu740-pcie e00000000.pcie: ECAM at [mem > > > > > > > > > > > 0xdf0000000-0xdffffffff] for [bus 00-ff] > > > > > > > > > > > [    3.579500] fu740-pcie e00000000.pcie: No iATU regions found > > > > > > > > > > > [    3.579552] fu740-pcie e00000000.pcie: Failed to > > > > > > > > > > > configure iATU in ECAM > > > > > > > > > > > mode > > > > > > > > > > > [    3.579655] fu740-pcie e00000000.pcie: probe with > > > > > > > > > > > driver fu740-pcie > > > > > > > > > > > failed with error -22 > > Can you try with this series and let us know if it is helping you or > > not. > > > > https://lore.kernel.org/all/20251017-ecam_fix-v1-0-f6faa3d0edf3@oss.qualcomm.com/ > > The patch works good. Here's the log of PCI messages. #regzbot fix: a1978b692a39 ("PCI: dwc: Use custom pci_ops for root bus DBI vs ECAM config access")