From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757525Ab3GYRzH (ORCPT ); Thu, 25 Jul 2013 13:55:07 -0400 Received: from mail-bk0-f54.google.com ([209.85.214.54]:40188 "EHLO mail-bk0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932103Ab3GYRzB (ORCPT ); Thu, 25 Jul 2013 13:55:01 -0400 From: Thierry Reding To: Bjorn Helgaas , Stephen Warren Cc: Russell King , Jason Cooper , Thomas Petazzoni , Jay Agarwal , linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 13/16] ARM: tegra: Fix Beaver's PCIe lane configuration Date: Thu, 25 Jul 2013 10:53:27 -0700 Message-Id: <1374774810-18459-14-git-send-email-thierry.reding@gmail.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1374774810-18459-1-git-send-email-thierry.reding@gmail.com> References: <1374774810-18459-1-git-send-email-thierry.reding@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stephen Warren Beaver's PCIe lane configuration most closely matches x2 x2 x2 rather than x4 x1 x1, since clocks 0 and 2 are used, and lanes 0 and 5 are used, and the only way those align is with a x2 x2 x2 configuration. Also, disable root port 1; there's nothing connected to it. Root port 0 is the on-board PCIe Ethernet, and port 2 is the mini-PCIe slot. Signed-off-by: Stephen Warren Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra30-beaver.dts | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts index 4d9fa31..e1dd644 100644 --- a/arch/arm/boot/dts/tegra30-beaver.dts +++ b/arch/arm/boot/dts/tegra30-beaver.dts @@ -18,16 +18,16 @@ pci@1,0 { status = "okay"; - nvidia,num-lanes = <4>; + nvidia,num-lanes = <2>; }; pci@2,0 { - status = "okay"; - nvidia,num-lanes = <1>; + nvidia,num-lanes = <2>; }; pci@3,0 { - nvidia,num-lanes = <1>; + status = "okay"; + nvidia,num-lanes = <2>; }; }; -- 1.8.1.5