diff options
| author | Graeme Gregory | 2015-03-24 14:02:42 +0000 |
|---|---|---|
| committer | Will Deacon | 2015-03-25 11:49:31 +0000 |
| commit | 3505f30fb6a980283116390e9a962d60cf8e2a57 (patch) | |
| tree | 72d977dd5ca333d44e448a1e73a1646425077c81 /arch/arm64/kernel | |
| parent | b10d79f76085b577673395daf92d6208ae09196f (diff) | |
ARM64 / ACPI: If we chose to boot from acpi then disable FDT
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>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/setup.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 4f1a014ace39..e8c7000af5ba 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(); |