[PATCH-RFC 1/2] tile: don't panic on iomap

["Michael S. Tsirkin" <mst@redhat.com>]

I think panic on iomap is there just for debugging.
If we return NULL instead, the generic pci_iomap will
DTRT so we don't need to roll our own.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 arch/tile/include/asm/io.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h
index c9ea165..be6090d 100644
--- a/arch/tile/include/asm/io.h
+++ b/arch/tile/include/asm/io.h
@@ -204,7 +204,8 @@ static inline long ioport_panic(void)
 
 static inline void __iomem *ioport_map(unsigned long port, unsigned int len)
 {
-	return (void __iomem *) ioport_panic();
+	pr_info("Trying to map an IO resource - it does not exit on tile.\n");
+	return NULL;
 }
 
 static inline void ioport_unmap(void __iomem *addr)
-- 
1.7.5.53.gc233e