| From | Hanjun Guo <> | Subject | [PATCH v5 07/18] ARM64 / ACPI: If we chose to boot from acpi then disable FDT | Date | Fri, 17 Oct 2014 21:37:03 +0800 |
| |
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.
Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org> Signed-off-by: Hanjun Guo <hanjun.guo@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 15621b9..e4f2576 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -401,7 +401,8 @@ void __init setup_arch(char **cmdline_p) efi_idmap_init(); cpu_logical_map(0) = read_cpuid_mpidr() & MPIDR_HWID_BITMASK; - unflatten_device_tree(); + if (acpi_disabled) + unflatten_device_tree(); psci_init(); -- 1.7.9.5
|