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[79.49.220.127]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aa50b52f9b9sm442025666b.105.2024.11.25.00.57.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Nov 2024 00:57:12 -0800 (PST) From: Andrea della Porta X-Google-Original-From: Andrea della Porta Date: Mon, 25 Nov 2024 09:57:45 +0100 To: Andrew Lunn Cc: Andrea della Porta , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Lorenzo Pieralisi , Krzysztof Wilczynski , Manivannan Sadhasivam , Bjorn Helgaas , Linus Walleij , Catalin Marinas , Will Deacon , Bartosz Golaszewski , Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Greg Kroah-Hartman , Saravana Kannan , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, Masahiro Yamada , Stefan Wahren , Herve Codina , Luca Ceresoli , Thomas Petazzoni Subject: Re: [PATCH v4 00/10] Add support for RaspberryPi RP1 PCI device using a DT overlay Message-ID: References: <22e08939-fa89-4781-824e-1ea01648fb1b@lunn.ch> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <22e08939-fa89-4781-824e-1ea01648fb1b@lunn.ch> Hi Andrew, On 20:26 Sun 24 Nov , Andrew Lunn wrote: > > This patchset is also a first attempt to be more agnostic wrt hardware > > description standards such as OF devicetree and ACPI, where 'agnostic' > > means "using DT in coexistence with ACPI", as been already promoted > > by e.g. AL (see [4]). Although there's currently no evidence it will also > > run out of the box on purely ACPI system, it is a first step towards > > that direction. > > When combined with CONFIG_PCI_DYNAMIC_OF_NODES and this patch series: > > https://patchwork.kernel.org/project/linux-pci/cover/20241114165446.611458-1-herve.codina@bootlin.com/ That's great. I'll do some tests as soon as I can start my rpi5 from ACPI, I saw there has been some experimentation about it and should be feasible to run it succesfuly. > > It probably does work, or is very near to working. Bootlin appear to > have the LAN966x working on an ACPI system, and what you are adding is > not very different. > > I'm also currently playing around in this area, trying to instantiate > some complex networking hardware using DT overlays on an ACPI system. Nice! Cheers, Andrea > > Andrew