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

From: Michael S. Tsirkin
Date: Tue Nov 29 2011 - 13:52:47 EST


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@xxxxxxxxxx>
---
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

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