lib: add GENERIC_PCI_IOMAP

Many architectures want a generic pci_iomap but
not the rest of iomap.c. Split that to a separate .c
file and add a new config symbol. select automatically
by GENERIC_IOMAP.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/Kconfig b/lib/Kconfig
index 005892723a52..36884b409e37 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -19,8 +19,12 @@ config RATIONAL
 config GENERIC_FIND_FIRST_BIT
         bool
 
+config GENERIC_PCI_IOMAP
+        bool
+
 config GENERIC_IOMAP
         bool
+        select GENERIC_PCI_IOMAP
 
 config CRC_CCITT
         tristate "CRC-CCITT functions"