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 <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: [email protected]
---
 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 384574c..3399602 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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