From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932081AbbANPMa (ORCPT ); Wed, 14 Jan 2015 10:12:30 -0500 Received: from mail-pd0-f173.google.com ([209.85.192.173]:52793 "EHLO mail-pd0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753599AbbANPH1 (ORCPT ); Wed, 14 Jan 2015 10:07:27 -0500 From: Hanjun Guo To: Catalin Marinas , "Rafael J. Wysocki" , Olof Johansson , Arnd Bergmann , Mark Rutland , Grant Likely , Will Deacon Cc: Lorenzo Pieralisi , Graeme Gregory , Sudeep Holla , Jon Masters , Jason Cooper , Marc Zyngier , Bjorn Helgaas , Mark Brown , Rob Herring , Robert Richter , Randy Dunlap , Charles.Garcia-Tobin@arm.com, phoenix.liyi@huawei.com, Timur Tabi , suravee.suthikulpanit@amd.com, wangyijing@huawei.com, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linaro-acpi@lists.linaro.org, Hanjun Guo Subject: [PATCH v7 05/17] ARM64 / ACPI: If we chose to boot from acpi then disable FDT Date: Wed, 14 Jan 2015 23:04:53 +0800 Message-Id: <1421247905-3749-6-git-send-email-hanjun.guo@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1421247905-3749-1-git-send-email-hanjun.guo@linaro.org> References: <1421247905-3749-1-git-send-email-hanjun.guo@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Graeme Gregory If the early boot methods of acpi are happy that we have valid ACPI tables and acpi=force has been passed, then do not unflat devicetree effectively disabling further hardware probing from DT. Tested-by: Suravee Suthikulpanit Tested-by: Yijing Wang Signed-off-by: Graeme Gregory Signed-off-by: Hanjun Guo --- arch/arm64/kernel/setup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 4580ed3..5d139e1 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -411,7 +411,8 @@ void __init setup_arch(char **cmdline_p) efi_idmap_init(); early_ioremap_reset(); - unflatten_device_tree(); + if (acpi_disabled) + unflatten_device_tree(); psci_init(); -- 1.9.1