From patchwork Sat Feb 15 23:54:31 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 13976273 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 4F79FC021A4 for ; Sat, 15 Feb 2025 23:55:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZRazg+I1Fn0N3pa+aoXUqgYlo//d+6r0qelCsfmC+NU=; b=C++dXa2TxZ2lt6 rcMclk/R/BaF5sHhtgWe+4U8gC9eGdj6AQYtBq7gEQJAtKnZZjgcC1mHdA0CNlXPdt1LkCcsgeiHM +05jiPj9WVeBJpZj0bNt157XwL78PywUfpZ3iIoE1mW/nFWE0+Xtn6ctzLg4/mc0QvNBEPDbhqK/c s+RJcqR2AUotoU/tWgD4RRPgMZrGaZzIExRIvMfy6yYz0a/EMyfn+8T5sLrg+FDXz3HvVttb6jZQU SFT2Ldy7elAWvVOFRSUubqrRiusnNFaNhP3TLcl3OB7KYKzUUfBDYyANZ+CJ2uRijpcwfDK7MccqW D+fVkvmlIZjIQnN1F4zw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tjS06-00000000vex-3PDy; Sat, 15 Feb 2025 23:55:10 +0000 Received: from sender4-pp-f112.zoho.com ([136.143.188.112]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tjS04-00000000vdH-0qYp for linux-rockchip@lists.infradead.org; Sat, 15 Feb 2025 23:55:09 +0000 ARC-Seal: i=1; a=rsa-sha256; t=1739663696; cv=none; d=zohomail.com; s=zohoarc; b=gLhnrwRSLi5R7ujJmVzMeXJmPP8k8tkWee4mL7go0EbBbOrUGumzNeFaAHB8340uQOwV/JO5TvRtQvIPCk2z27ZpVLlXIr6yeYUm9jfKRwsLg0K7W3pjVIWp1N8cr422X5kPuqYapwedZgbrJijGQoj8QX0MB7mJrU6zJgQip6Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1739663696; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=oCI25TPhy4Id7iRyjm7K0b1dudwW2Ibox3w9+UV2UCs=; b=cTm0yelkmBY4uupScKR8q6FfLKheJWmHHb/Nzs0dW93VdNfa7PhAUjY6rhoWwCmyb55by7XbBkOVAatYK+h9xZ2FRwPxBqtHyRA+NyQ5Q5GXGtSuLN37ajI5Oy6wCHdcgvy1xxodGD37Prdo1hRKIOxgYHtbPQ2mw/hMB0roNNQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=dmitry.osipenko@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1739663696; s=zohomail; d=collabora.com; i=dmitry.osipenko@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=oCI25TPhy4Id7iRyjm7K0b1dudwW2Ibox3w9+UV2UCs=; b=Si9LycLkUtDucdpOcJ/0DnsD9jaQx+sTn83slTa5IcmbpMjAAie5J3XlhuuXWF6I 6glwzBB+8ZWm3Waf6nwCKqrbQERL1kCP7BvjFNxr5hjhdXx2y4SMAy0Uj2Sj/PNZwrK rXFmUyVMw1bKiYvc+RWgSNlW2/mLi69G/glZElZM= Received: by mx.zohomail.com with SMTPS id 1739663695195447.98223907006513; Sat, 15 Feb 2025 15:54:55 -0800 (PST) From: Dmitry Osipenko To: Heiko Stuebner , Marc Zyngier Cc: Rob Herring , Krzysztof Kozlowski , Thomas Gleixner , devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Kever Yang , XiaoDong Huang , Peter Geis , Robin Murphy , kernel@collabora.com Subject: [PATCH v1 4/4] arm64: dts: rockchip: rk356x: Move PCIe MSI to use GIC ITS instead of MBI Date: Sun, 16 Feb 2025 02:54:31 +0300 Message-ID: <20250215235431.143138-5-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250215235431.143138-1-dmitry.osipenko@collabora.com> References: <20250215235431.143138-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 X-ZohoMailClient: External X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250215_155508_309183_5C4EDFB5 X-CRM114-Status: UNSURE ( 9.54 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Rockchip 356x device-tree now supports GIC ITS. Move PCIe controller's MSI to use ITS instead of MBI. This removes extra CPU overhead of handling PCIe MBIs by letting GIC's ITS to serve the PCIe MSIs. Signed-off-by: Dmitry Osipenko --- arch/arm64/boot/dts/rockchip/rk356x-base.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi index 423185686600..4f11141ea146 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi @@ -969,7 +969,7 @@ pcie2x1: pcie@fe260000 { num-ib-windows = <6>; num-ob-windows = <2>; max-link-speed = <2>; - msi-map = <0x0 &gic 0x0 0x1000>; + msi-map = <0x0 &its 0x0 0x1000>; num-lanes = <1>; phys = <&combphy2 PHY_TYPE_PCIE>; phy-names = "pcie-phy";