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    Subject[PATCH 1/1] of/pci: Add IORESOURCE_MEM_64 to resource flags for 64-bit memory addresses
    Date
    Many other resource flag parsers already add this flag when the input
    has bits 24 & 25 set, so update this one to do the same.

    Some devices (like virtio-net) have more than one memory resource
    (like MMIO32 and MMIO64) and without this flag it would be needed to
    verify the address range to know which one is which.

    Signed-off-by: Leonardo Bras <leobras.c@gmail.com>
    ---
    drivers/of/address.c | 5 ++++-
    1 file changed, 4 insertions(+), 1 deletion(-)

    diff --git a/drivers/of/address.c b/drivers/of/address.c
    index 73ddf2540f3f..dc7147843783 100644
    --- a/drivers/of/address.c
    +++ b/drivers/of/address.c
    @@ -116,9 +116,12 @@ static unsigned int of_bus_pci_get_flags(const __be32 *addr)
    flags |= IORESOURCE_IO;
    break;
    case 0x02: /* 32 bits */
    - case 0x03: /* 64 bits */
    flags |= IORESOURCE_MEM;
    break;
    +
    + case 0x03: /* 64 bits */
    + flags |= IORESOURCE_MEM | IORESOURCE_MEM_64;
    + break;
    }
    if (w & 0x40000000)
    flags |= IORESOURCE_PREFETCH;
    --
    2.30.2
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