From: Andrei Gherzan
On X86 this will have no impact as CONFIG_ACPI is enabled by default. On
the other hand, ARM64 would be affected as they don't have the same
default. The defconfig for arm64 recommends CONFIG_ACPI and this patch
follows this recommendation in the qemuarm64 bsp configuration to fix
ACPI-only EFI boots on this arch.
arm (32bit) would also be unaffected as there is no ACPI support there
at all. And this unconditional drop (CONFIG_ACPI) will actually fix a
configuration warning when enabling EFI on a arm (32bit) machine:
[INFO]: config 'CONFIG_ACPI' was set, but it wasn't assignable, check
(parent) dependencies
Upstream-status: Pending
Signed-off-by: Andrei Gherzan
---
bsp/qemuarm64/qemuarm64.cfg | 7 +++
cfg/efi.cfg | 1 -
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/bsp/qemuarm64/qemuarm64.cfg b/bsp/qemuarm64/qemuarm64.cfg
index 2412d24e..81415cf9 100644
--- a/bsp/qemuarm64/qemuarm64.cfg
+++ b/bsp/qemuarm64/qemuarm64.cfg
@@ -33,3 +33,10 @@ CONFIG_RTC_DRV_PL031=y
# PCI configs, needed for virtio-rng (and others)
CONFIG_PCI=y
CONFIG_PCI_HOST_GENERIC=y
+
+# arm64 defconfig suggests CONFIG_ACPI as default because it won't be enabled
+# with CONFIG_EFI - even though ACPI-only ARM64 EFI boots would break
+# otherwise. We also do the same here as a sane default.
+CONFIG_ARCH_SUPPORTS_ACPI=y
+CONFIG_ACPI=y
+
diff --git a/cfg/efi.cfg b/cfg/efi.cfg
index d3dfd603..d729cbe9 100644
--- a/cfg/efi.cfg
+++ b/cfg/efi.cfg
@@ -3,7 +3,6 @@
# Dependencies
CONFIG_PCI=y
-CONFIG_ACPI=y
# Enable basic EFI support
CONFIG_EFI=y
--
2.25.1
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