[PATCH v4 41/52] sparc/PCI: Add IORESOURCE_MEM_64 for 64-bit resource in OF parsing

From: Yinghai Lu
Date: Fri Aug 21 2015 - 02:22:49 EST


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@xxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: sparclinux@xxxxxxxxxxxxxxx
---
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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