From patchwork Mon Feb 8 15:00:06 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: 379167 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=-19.3 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, URIBL_BLOCKED, 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 DAF25C433E0 for ; Mon, 8 Feb 2021 15:28:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F84564E8B for ; Mon, 8 Feb 2021 15:28:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233244AbhBHP1a (ORCPT ); Mon, 8 Feb 2021 10:27:30 -0500 Received: from mail.kernel.org ([198.145.29.99]:33698 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231855AbhBHPTq (ORCPT ); Mon, 8 Feb 2021 10:19:46 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7DA9664EE9; Mon, 8 Feb 2021 15:12:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1612797177; bh=N7FE8Gh+PUregZe8oAXW1bc3sRaoBUoSpLd1++26rZg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DHRsW8HLTTGqdrgi8vgB4BwUTiWfHLCYSDSYjhjIvnQ9uAPMsJwUrtZ2yVn+F0G83 iiZ5C7DGZhB1CV1WsjrevlPXl8UxsH7XG478dwVHdehrDOZEcznwP7l+GNgmOm79ph rUNj9hs4NVf3m/Qvl8IUT8HGUi6f/81pLNtKzqPQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Simon South , Heiko Stuebner , Sasha Levin Subject: [PATCH 5.10 019/120] arm64: dts: rockchip: Use only supported PCIe link speed on Pinebook Pro Date: Mon, 8 Feb 2021 16:00:06 +0100 Message-Id: <20210208145819.168198981@linuxfoundation.org> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210208145818.395353822@linuxfoundation.org> References: <20210208145818.395353822@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Simon South [ Upstream commit 642fb2795290c4abe629ca34fb8ff6d78baa9fd3 ] On Pinebook Pro laptops with an NVMe SSD installed, prevent random crashes in the NVMe driver by not attempting to use a PCIe link speed higher than that supported by the RK3399 SoC. See commit 712fa1777207 ("arm64: dts: rockchip: add max-link-speed for rk3399"). Fixes: 5a65505a6988 ("arm64: dts: rockchip: Add initial support for Pinebook Pro") Signed-off-by: Simon South Link: https://lore.kernel.org/r/20200930185627.5918-1-simon@simonsouth.net Signed-off-by: Heiko Stuebner Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts index 06d48338c8362..219b7507a10fb 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts @@ -790,7 +790,6 @@ &pcie0 { bus-scan-delay-ms = <1000>; ep-gpios = <&gpio2 RK_PD4 GPIO_ACTIVE_HIGH>; - max-link-speed = <2>; num-lanes = <4>; pinctrl-names = "default"; pinctrl-0 = <&pcie_clkreqn_cpm>;