From patchwork Thu Sep 16 15:59:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 513685 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81E65C433EF for ; Thu, 16 Sep 2021 17:29:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7098E6108F for ; Thu, 16 Sep 2021 17:29:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244998AbhIPRbE (ORCPT ); Thu, 16 Sep 2021 13:31:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:46924 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352339AbhIPR14 (ORCPT ); Thu, 16 Sep 2021 13:27:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 039526103B; Thu, 16 Sep 2021 16:45:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631810738; bh=vpGN6M9N/+VFlJTwRXh9c32T/+9r1GIZGJlU8Oq/aBk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y7xh/6djtAeFGOLvLxEXFJ8Zewh+AdxVtnyMh9HjP1ycylutpb9nyrsxyZayo8TvC HdLmNJqiSLbZVC4+5ltGkqTTA8Vw6t1h+WEG+iTwGDWHmpVcWajtysyRr5hoDYL6HG 7M61zUWQX3ULAGTup2MTtLunRFf9pxoQEMObPcq8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vidya Sagar , Jon Hunter , Thierry Reding , Sasha Levin Subject: [PATCH 5.14 250/432] arm64: tegra: Fix Tegra194 PCIe EP compatible string Date: Thu, 16 Sep 2021 17:59:59 +0200 Message-Id: <20210916155819.303235002@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210916155810.813340753@linuxfoundation.org> References: <20210916155810.813340753@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Vidya Sagar [ Upstream commit bf2942a8b7c38e8cc2d5157b4f0323d7f4e5ec71 ] The initialization sequence performed by the generic platform driver pcie-designware-plat.c for a DWC based implementation doesn't work for Tegra194. Tegra194 has a different initialization sequence requirement which can only be satisfied by the Tegra194 specific platform driver pcie-tegra194.c. So, remove the generic compatible string "snps,dw-pcie-ep" from Tegra194's endpoint controller nodes. Signed-off-by: Vidya Sagar Reviewed-by: Jon Hunter Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/nvidia/tegra194.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 5ba7a4519b95..c8250a3f7891 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -2122,7 +2122,7 @@ pcie@141a0000 { }; pcie_ep@14160000 { - compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep"; + compatible = "nvidia,tegra194-pcie-ep"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX4A>; reg = <0x00 0x14160000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x36040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ @@ -2162,7 +2162,7 @@ pcie_ep@14160000 { }; pcie_ep@14180000 { - compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep"; + compatible = "nvidia,tegra194-pcie-ep"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8B>; reg = <0x00 0x14180000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x38040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ @@ -2202,7 +2202,7 @@ pcie_ep@14180000 { }; pcie_ep@141a0000 { - compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep"; + compatible = "nvidia,tegra194-pcie-ep"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8A>; reg = <0x00 0x141a0000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x3a040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */