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    Subject[PATCH v7 05/60] sparc/PCI: Add IORESOURCE_MEM_64 for 64-bit resource in OF parsing
    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: "David S. Miller" <davem@davemloft.net>
    Cc: sparclinux@vger.kernel.org
    ---
    arch/sparc/kernel/of_device_32.c | 5 +++--
    arch/sparc/kernel/of_device_64.c | 5 +++--
    2 files changed, 6 insertions(+), 4 deletions(-)

    diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
    index 185aa96..3e9f273 100644
    --- a/arch/sparc/kernel/of_device_32.c
    +++ b/arch/sparc/kernel/of_device_32.c
    @@ -83,11 +83,12 @@ static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
    case 0x01:
    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;
    diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
    index 7bbdc26..defee61 100644
    --- a/arch/sparc/kernel/of_device_64.c
    +++ b/arch/sparc/kernel/of_device_64.c
    @@ -146,11 +146,12 @@ static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
    case 0x01:
    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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