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-rw-r--r--arch/x86/Kconfig10
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 50aa81f2ffc4..47ae4a751a59 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1934,13 +1934,19 @@ config PCI_MMCONFIG
depends on X86_64 && PCI && ACPI
config PCI_CNB20LE_QUIRK
- bool "Read CNB20LE Host Bridge Windows"
- depends on PCI
+ bool "Read CNB20LE Host Bridge Windows" if EMBEDDED
+ default n
+ depends on PCI && EXPERIMENTAL
help
Read the PCI windows out of the CNB20LE host bridge. This allows
PCI hotplug to work on systems with the CNB20LE chipset which do
not have ACPI.
+ There's no public spec for this chipset, and this functionality
+ is known to be incomplete.
+
+ You should say N unless you know you need this.
+
config DMAR
bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
depends on PCI_MSI && ACPI && EXPERIMENTAL