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    Subject[PATCHv2 RFC (repost) 11/16] tile: don't panic on iomap
    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>
    Acked-by: Chris Metcalf <cmetcalf@tilera.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..d2152de 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("ioport_map: mapping IO resources is unsupported on tile.\n");
    + return NULL;
    }

    static inline void ioport_unmap(void __iomem *addr)
    --
    1.7.8.382.g3daff


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