OF/PCI: Add IORESOURCE_MEM_64 for 64-bit resource

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
Orabug: 21826746

Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com>
(cherry picked from commit 97e654600ccd98d67e462f41e8c56ab55ef6a76b)

diff --git a/drivers/of/address.c b/drivers/of/address.c
index 78a7dcbec7d8990ac37adad938a0aff3420423e2..0077b81a3af5d02c46749691bdd349bc9aacbc21 100644 (file)
--- 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;