diff options
| -rw-r--r-- | arch/x86/Kconfig | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index a079ecf15c71..1090eda3c29f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2929,13 +2929,21 @@ config MMCONF_FAM10H depends on X86_64 && PCI_MMCONFIG && ACPI config PCI_CNB20LE_QUIRK - bool "Read CNB20LE Host Bridge Windows" if EXPERT - depends on PCI + bool "Read PCI host bridge windows from the CNB20LE chipset" if EXPERT + depends on X86_32 && PCI 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. + The ServerWorks (later Broadcom) CNB20LE was a chipset designed + most probably only for Pentium III. + + To find out if you have such a chipset, search for a PCI device with + 1166:0009 PCI IDs, for example by executing + lspci -nn | grep '1166:0009' + The code is inactive if there is none. + There's no public spec for this chipset, and this functionality is known to be incomplete. |