From patchwork Thu Oct 12 18:50:09 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vidya Sagar X-Patchwork-Id: 10002533 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D21D660325 for ; Thu, 12 Oct 2017 18:52:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C696528403 for ; Thu, 12 Oct 2017 18:52:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BB6B728684; Thu, 12 Oct 2017 18:52:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4B88F28403 for ; Thu, 12 Oct 2017 18:52:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751518AbdJLSwn (ORCPT ); Thu, 12 Oct 2017 14:52:43 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:14453 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750722AbdJLSwm (ORCPT ); Thu, 12 Oct 2017 14:52:42 -0400 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com id ; Thu, 12 Oct 2017 11:52:30 -0700 Received: from HQMAIL104.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Thu, 12 Oct 2017 11:52:32 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Thu, 12 Oct 2017 11:52:32 -0700 Received: from HQMAIL102.nvidia.com (172.18.146.10) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Thu, 12 Oct 2017 18:50:29 +0000 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL102.nvidia.com (172.18.146.10) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Thu, 12 Oct 2017 18:50:29 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server id 15.0.1293.2 via Frontend Transport; Thu, 12 Oct 2017 18:50:29 +0000 Received: from vidyas-desktop.nvidia.com (Not Verified[10.24.36.185]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Thu, 12 Oct 2017 11:50:28 -0700 From: Vidya Sagar To: , CC: , , , Vidya Sagar Subject: [PATCH 4/6] ARM: tegra: limit PCIe config space mapping to 4K for T124 Date: Fri, 13 Oct 2017 00:20:09 +0530 Message-ID: <1507834211-24922-5-git-send-email-vidyas@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1507834211-24922-1-git-send-email-vidyas@nvidia.com> References: <1507834211-24922-1-git-send-email-vidyas@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP reduces PCIe config space mapping size from its current 256MB to 4K to have only 4K of virtual memory mapping and to be in line with driver implementation Signed-off-by: Vidya Sagar --- arch/arm/boot/dts/tegra124.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi index 8baf00b89efb..e3cd9dca57cb 100644 --- a/arch/arm/boot/dts/tegra124.dtsi +++ b/arch/arm/boot/dts/tegra124.dtsi @@ -19,7 +19,7 @@ device_type = "pci"; reg = <0x0 0x01003000 0x0 0x00000800 /* PADS registers */ 0x0 0x01003800 0x0 0x00000800 /* AFI registers */ - 0x0 0x02000000 0x0 0x10000000>; /* configuration space */ + 0x0 0x11FFF000 0x0 0x00001000>; /* configuration space */ reg-names = "pads", "afi", "cs"; interrupts = , /* controller interrupt */ ; /* MSI interrupt */