On Wed, 25 Feb 2015 16:39:50 +0800 , Hanjun Guo hanjun.guo@linaro.org wrote:
From: Graeme Gregory graeme.gregory@linaro.org
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 catalin.marinas@arm.com CC: Will Deacon will.deacon@arm.com Tested-by: Suravee Suthikulpanit Suravee.Suthikulpanit@amd.com Tested-by: Yijing Wang wangyijing@huawei.com Tested-by: Mark Langsdorf mlangsdo@redhat.com Tested-by: Jon Masters jcm@redhat.com Tested-by: Timur Tabi timur@codeaurora.org Tested-by: Robert Richter rrichter@cavium.com Acked-by: Robert Richter rrichter@cavium.com Signed-off-by: Graeme Gregory graeme.gregory@linaro.org Signed-off-by: Hanjun Guo hanjun.guo@linaro.org
Acked-by: Grant Likely grant.likely@linaro.org
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 4f1a014..e8c7000 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -390,7 +390,8 @@ void __init setup_arch(char **cmdline_p) early_ioremap_reset();
- unflatten_device_tree();
- if (acpi_disabled)
unflatten_device_tree();psci_init(); -- 1.9.1