linux-kernel - [PATCH v14 12/17] OF/PCI: Add IORESOURCE_MEM

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Message-Id: <20160916200207.21439-13-yinghai@kernel.org>
Date:   Fri, 16 Sep 2016 13:02:02 -0700
From:   Yinghai Lu <yinghai@...nel.org>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        David Miller <davem@...emloft.net>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     Wei Yang <weiyang@...ux.vnet.ibm.com>,
        Khalid Aziz <khalid.aziz@...cle.com>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yinghai Lu <yinghai@...nel.org>,
        Grant Likely <grant.likely@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: [PATCH v14 12/17] OF/PCI: Add IORESOURCE_MEM_64 for 64-bit resource

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@...nel.org>
Cc: Grant Likely <grant.likely@...aro.org>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: devicetree@...r.kernel.org
Tested-by: Khalid Aziz <khalid.aziz@...cle.com>
---
 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 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;
-- 
2.8.3