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[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