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    Subject[PATCH v4 43/52] OF/PCI: Add IORESOURCE_MEM_64 for 64-bit resource
    Date
    For device resource PREF bit setting under bridge 64-bit pref resource,
    we need to make sure only set PREF for 64bit resource, so set
    IORESOUCE_MEM_64 for 64bit resource during OF device resource flags
    parsing.

    Link: https://bugzilla.kernel.org/show_bug.cgi?id=96261
    Link: https://bugzilla.kernel.org/show_bug.cgi?id=96241
    Signed-off-by: Yinghai Lu <yinghai@kernel.org>
    Cc: Grant Likely <grant.likely@linaro.org>
    Cc: Rob Herring <robh+dt@kernel.org>
    Cc: devicetree@vger.kernel.org
    ---
    drivers/of/address.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    diff --git a/drivers/of/address.c b/drivers/of/address.c
    index 8bfda6a..073125f 100644
    --- a/drivers/of/address.c
    +++ b/drivers/of/address.c
    @@ -128,9 +128,11 @@ 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;
    --
    1.8.4.5


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