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[v14,12/17] OF/PCI: Add IORESOURCE_MEM_64 for 64-bit resource

Message ID 20160916200207.21439-13-yinghai@kernel.org (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Yinghai Lu Sept. 16, 2016, 8:02 p.m. UTC 
For device resource PREF bit setting under bridge 64-bit pref resource,
we need to make sure only set PREF for 64bit resource.

This patch 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
Tested-by: Khalid Aziz <khalid.aziz@oracle.com>
---
 drivers/of/address.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/of/address.c b/drivers/of/address.c
index 02b2903..d1bb76c 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -131,9 +131,11 @@  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;