PCI: consolidate the PCI_DOMAINS and PCI_DOMAINS_GENERIC config options

Move the definitions to drivers/pci and let the architectures select
them.  Two small differences to before: PCI_DOMAINS_GENERIC now selects
PCI_DOMAINS, cutting down the churn for modern architectures.  As the
only architectured arm did previously also offer PCI_DOMAINS as a user
visible choice in addition to selecting it from the relevant configs,
this is gone now.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index e11a02acce1b..9a2630c98be4 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -21,6 +21,15 @@ menuconfig PCI
           support for PCI-X and the foundations for PCI Express support.
           Say 'Y' here unless you know what you are doing.
 
+config PCI_DOMAINS
+        bool
+        depends on PCI
+
+config PCI_DOMAINS_GENERIC
+        bool
+        depends on PCI
+        select PCI_DOMAINS
+
 source "drivers/pci/pcie/Kconfig"
 
 config PCI_MSI