* [PATCH] sparc/PCI: Add IORESOURCE_MEM_64 for 64-bit resource in of parsing
@ 2015-04-08 0:24 Yinghai Lu
0 siblings, 0 replies; only message in thread
From: Yinghai Lu @ 2015-04-08 0:24 UTC (permalink / raw)
To: Bjorn Helgaas; +Cc: linux-pci, Yinghai Lu, David S. Miller, sparclinux
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–261
Link: https://bugzilla.kernel.org/show_bug.cgi?id–241
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(-)
Index: linux-2.6/arch/sparc/kernel/of_device_32.c
=================================--- linux-2.6.orig/arch/sparc/kernel/of_device_32.c
+++ linux-2.6/arch/sparc/kernel/of_device_32.c
@@ -83,11 +83,12 @@ static unsigned long of_bus_pci_get_flag
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;
Index: linux-2.6/arch/sparc/kernel/of_device_64.c
=================================--- linux-2.6.orig/arch/sparc/kernel/of_device_64.c
+++ linux-2.6/arch/sparc/kernel/of_device_64.c
@@ -146,11 +146,12 @@ static unsigned long of_bus_pci_get_flag
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;
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