Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933306AbbBBMxY (ORCPT ); Mon, 2 Feb 2015 07:53:24 -0500 Received: from mail-pa0-f41.google.com ([209.85.220.41]:37867 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755482AbbBBMtH (ORCPT ); Mon, 2 Feb 2015 07:49:07 -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 , Daniel Lezcano , Mark Brown , Rob Herring , Robert Richter , Randy Dunlap , Charles.Garcia-Tobin@arm.com, phoenix.liyi@huawei.com, Timur Tabi , Ashwin Chaugule , suravee.suthikulpanit@amd.com, Mark Langsdorf , 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 v8 10/21] ARM64 / ACPI: If we chose to boot from acpi then disable FDT Date: Mon, 2 Feb 2015 20:45:38 +0800 Message-Id: <1422881149-8177-11-git-send-email-hanjun.guo@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1422881149-8177-1-git-send-email-hanjun.guo@linaro.org> References: <1422881149-8177-1-git-send-email-hanjun.guo@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1389 Lines: 41 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. CC: Catalin Marinas CC: Will Deacon Tested-by: Suravee Suthikulpanit Tested-by: Yijing Wang Tested-by: Mark Langsdorf Tested-by: Jon Masters Tested-by: Timur Tabi 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 510a681..553967d 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -446,7 +446,8 @@ 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/