From mboxrd@z Thu Jan 1 00:00:00 1970 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=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 2853DECE599 for ; Wed, 16 Oct 2019 21:06:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F2DA420872 for ; Wed, 16 Oct 2019 21:06:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UByquhJz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437375AbfJPVGq (ORCPT ); Wed, 16 Oct 2019 17:06:46 -0400 Received: from mail-pf1-f193.google.com ([209.85.210.193]:39063 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437357AbfJPVGq (ORCPT ); Wed, 16 Oct 2019 17:06:46 -0400 Received: by mail-pf1-f193.google.com with SMTP id v4so162523pff.6 for ; Wed, 16 Oct 2019 14:06:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=KfBHJjUBIPVStHExUz9nXnaI3W0Mvp+cyl7vMgb3aMg=; b=UByquhJzjCJHuCYz95c3u1RCD6OHksnyqZkx7q+5LcmjyG12sDQCiJOVelCpVZ/7AO gx7T5FYVaQh3+LtqXgMie/KbXF2Pq+g5TGMCIgBV9xyrOfHbh9h59ocmCt0l7cQSOB7Q F6uRHqsftN7AWfqULERuXMWBWZpypOdueZXyUPWUpQsuCJAbDC74E2gu+w5ta6xxkig4 BhxVsrGu6mko9GOzLMKkWuHFUqKRIPdmrOfb830G6ROnKOOeyfS6I4Gqmvu4h+6owIok c0CjX6M7u4fzLSlsZ+mZhJVwnS8SIvsr2EAJMxha5Ac3CpbCjn0kEXDHR04MMF3p3GFn dstg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=KfBHJjUBIPVStHExUz9nXnaI3W0Mvp+cyl7vMgb3aMg=; b=b9/RN8mKv+hA+ZZXsTTXCN+lraa7D37FhyWzLlI+GLobdm+UTpqQ0Ctw54i2L3KfPO NdRatvb5VJ7ph65mhO0vousMtZ4lLx3GmIKwZBKnfXUvx4LNb8v2vRb/9oZq8haFnTO8 jgn2GmmODKVjR+DY1XecHKNToqPRTjmRyf9HJ2cAP0yD4zxhus2kcR756t2yyC9mpzfd 1bGkW3iya44T0InyVTOex2zx5yxcEx7IqBpQSDEFUaS2Y3ClSv64DlVIvYCa86NraLJk d8yK9rD2uGLhsf9F5SHOBMWuEQiDwZkwQAfSQZdOHhBWdEUaTmAwWn7n01eJ506gOGGQ W35A== X-Gm-Message-State: APjAAAWyb2Y107kWe+nEHcuX2POVrPvMD7wauLMLRnawlTIgYSfuzI53 inHSAP5NF/mvymlTgLQEQXqC2b69gax8Gg== X-Google-Smtp-Source: APXvYqwCwwfHd/Dg8i4CH/RLyyZo4BFLSViqDpLnRtAXL9PHqIZpLeaVyG96e1xr3ZLSpcUyA+DQFQ== X-Received: by 2002:a63:c045:: with SMTP id z5mr156179pgi.69.1571260005288; Wed, 16 Oct 2019 14:06:45 -0700 (PDT) Received: from localhost.localdomain (155-97-232-235.usahousing.utah.edu. [155.97.232.235]) by smtp.googlemail.com with ESMTPSA id x11sm11613226pja.3.2019.10.16.14.06.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Oct 2019 14:06:44 -0700 (PDT) From: Tuowen Zhao To: lee.jones@linaro.org, linux-kernel@vger.kernel.org Cc: andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, acelan.kao@canonical.com, mcgrof@kernel.org, davem@davemloft.net, Tuowen Zhao Subject: [PATCH v5 0/4] Fix MTRR bug for intel-lpss-pci Date: Wed, 16 Oct 2019 15:06:25 -0600 Message-Id: <20191016210629.1005086-1-ztuowen@gmail.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some BIOS erroneously specifies write-combining BAR for intel-lpss-pci in MTRR. This will cause the system to hang during boot. If possible, this bug could be corrected with a firmware update. Previous version: https://lkml.org/lkml/2019/10/14/575 Changes from previous version: * implement ioremap_uc for sparc64 * split docs changes to not CC stable (doc location moved since 5.3) Tuowen Zhao (4): sparc64: implement ioremap_uc lib: devres: add a helper function for ioremap_uc mfd: intel-lpss: use devm_ioremap_uc for MMIO docs: driver-model: add devm_ioremap_uc .../driver-api/driver-model/devres.rst | 1 + arch/sparc/include/asm/io_64.h | 1 + drivers/mfd/intel-lpss.c | 2 +- include/linux/io.h | 2 ++ lib/devres.c | 19 +++++++++++++++++++ 5 files changed, 24 insertions(+), 1 deletion(-) -- 2.23.0