PCI: X86: Introduce and enable PCI domain support
* fix bug in pci_read() and pci_write() which prevented PCI domain
support from working (hardcoded domain 0).
* unconditionally enable CONFIG_PCI_DOMAINS
* implement pci_domain_nr() and pci_proc_domain(), as required of
all arches when CONFIG_PCI_DOMAINS is enabled.
* store domain in struct pci_sysdata, as assigned by ACPI
* support "pci=nodomains"
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 2d85e4b..515abb9 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -1137,6 +1137,11 @@
depends on PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY)
default y
+config PCI_DOMAINS
+ bool
+ depends on PCI
+ default y
+
source "drivers/pci/pcie/Kconfig"
source "drivers/pci/Kconfig"