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 4AA42C52D7C for ; Tue, 13 Aug 2024 08:55:36 +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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ygmpH0EOnuBVjBh/Bwp2h4Onnlc64+fjSmpmO626bHg=; b=bZ+cabXHCEIT2XD2hMFHRzZXRK nwVIMK0S4AKvoNlUJu+dZepF2gcsChtKxWQ6ZlNi9Sp6kHh4LEXfKry1+4rb9omv//FNMvAGgBmSe Tqvp5CNRKs0U9RybqpIaSBA6LKSiBbksoDBwsjQ42uI6EKzAdhus4syMw4SFtODTyLuSdhiwYtJDa TrzB0niYfemu8XacJ7jRlJYMhmowUNrOza4nEInd+7zbPczqXcCYo4cI+iIIAtdXz6bVDt0yL3M18 n5ATUhKLaTUiRPRUKN9+gEXOgm17dfLP0kHHRne9sm7yQ0YjfZ4wC7bY4G9xSqahoCQ2orQf33VNX bytbfvtg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sdnJO-0000000323R-1c2D; Tue, 13 Aug 2024 08:55:26 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sdnIN-000000031fe-0yGH for linux-arm-kernel@lists.infradead.org; Tue, 13 Aug 2024 08:54:24 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 8594D615B6; Tue, 13 Aug 2024 08:54:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F12BAC4AF09; Tue, 13 Aug 2024 08:54:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723539262; bh=NSrF1UDXr33JssMJaL6HcAqjM2Dy/z+Z99e09mLYOFw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=HE1AXiet6eU09dzfWs3ZTldG3MspiVQ6IIyx+ehu27BZHdKBU1lpQkRqQuhaZsSfz A0z7L5nm4LMo+AKMOW2f1/qLDFs6sA3fbNjCN6pB4jBhUgVC4Yze3cPkl/WDh/RLQ2 hMeHCW13+RrEu4rHPdA1fhM8dX+J7wsQJ5EnQ12bTRFj+9x7ed1CpINzzGhK8IIWfN P/B+DbQ0PsevwdJ2HjH2IuLPaF67stAIadPOPRy/t4GwanU6zSAtPwl3EXxzmO3BOc 86hk7Qpf/K47KNx4UoEfW+/nYZXfOA6ehzy6rkYpB48/gyE18SfPIZ7eZzI/jyDFjS 4W2uvLjcswUbA== Message-ID: Date: Tue, 13 Aug 2024 10:54:15 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 2/4] arm64: dts: imx8mq: Add dbi2 and atu reg for i.MX8MQ PCIe EP To: Richard Zhu , robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, l.stach@pengutronix.de Cc: devicetree@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, imx@lists.linux.dev References: <1723534943-28499-1-git-send-email-hongxing.zhu@nxp.com> <1723534943-28499-3-git-send-email-hongxing.zhu@nxp.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240813_015423_438791_CD21FAB5 X-CRM114-Status: GOOD ( 10.86 ) 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 13/08/2024 09:42, Richard Zhu wrote: > Add dbi2 and iatu reg for i.MX8MQ PCIe EP. > > For i.MX8M PCIe EP, the dbi2 and atu addresses are pre-defined in the > driver. This method is not good. > > In commit b7d67c6130ee ("PCI: imx6: Add iMX95 Endpoint (EP) support"), > Frank suggests to fetch the dbi2 and atu from DT directly. This commit is > preparation to do that for i.MX8MQ PCIe EP. > > These changes wouldn't break driver function. When "dbi2" and "atu" > properties are present, i.MX PCIe driver would fetch the according base > addresses from DT directly. If only two reg properties are provided, i.MX > PCIe driver would fall back to the old method. > > Signed-off-by: Richard Zhu > Reviewed-by: Frank Li Stop adding fake tags. This never happened. If it happened, provide lore link. Best regards, Krzysztof