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[v4,2/5] drivers: acpi: add dependency of EFI for arm64

Message ID 20180723015732.24252-3-takahiro.akashi@linaro.org
State Accepted
Commit 5bcd44083a082f314032969cd6db1eb8275ac77a
Headers show
Series arm64: kexec,kdump: fix boot failures on acpi-only system | expand

Commit Message

AKASHI Takahiro July 23, 2018, 1:57 a.m. UTC
As Ard suggested, CONFIG_ACPI && !CONFIG_EFI doesn't make sense on arm64,
while CONFIG_ACPI and CONFIG_CPU_BIG_ENDIAN doesn't make sense either.

As CONFIG_EFI already has a dependency of !CONFIG_CPU_BIG_ENDIAN, it is
good enough to add a dependency of CONFIG_EFI to avoid any useless
combination of configuration.

This bug, reported by Will, will be revealed when my patch series,
"arm64: kexec,kdump: fix boot failures on acpi-only system," is applied
and the kernel is built under allmodconfig.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>

Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 drivers/acpi/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.18.0
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Patch

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index b533eeb6139d..15ab1daaa808 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -6,7 +6,7 @@ 
 menuconfig ACPI
 	bool "ACPI (Advanced Configuration and Power Interface) Support"
 	depends on !IA64_HP_SIM
-	depends on IA64 || X86 || ARM64
+	depends on IA64 || X86 || (ARM64 && EFI)
 	depends on PCI
 	select PNP
 	default y if (IA64 || X86)