* [PATCH v5 44/53] OF/PCI: Add IORESOURCE_MEM_64 for 64-bit resource
[not found] <1442440671-5361-1-git-send-email-yinghai@kernel.org>
@ 2015-09-16 21:57 ` Yinghai Lu
0 siblings, 0 replies; only message in thread
From: Yinghai Lu @ 2015-09-16 21:57 UTC (permalink / raw)
To: Bjorn Helgaas, David Miller, Benjamin Herrenschmidt, Wei Yang, TJ,
Yijing Wang
Cc: linux-pci, linux-kernel, Yinghai Lu, Grant Likely, Rob Herring,
devicetree
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
---
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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