linux-kernel - linux-next: build failure after merge of the iommu tree

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Message-Id: <20111215154051.e8bb4a174259e910a3045f0e@canb.auug.org.au>
Date:	Thu, 15 Dec 2011 15:40:51 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Joerg Roedel <joro@...tes.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alex Williamson <alex.williamson@...hat.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: linux-next: build failure after merge of the iommu tree

Hi Joerg,

After merging the iommu tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/iommu/amd_iommu.c: In function 'pci_iommuv2_capable':
drivers/iommu/amd_iommu.c:179:3: error: 'PCI_PRI_CAP' undeclared (first use in this function)
drivers/iommu/amd_iommu.c:180:3: error: 'PCI_PASID_CAP' undeclared (first use in this function)
drivers/iommu/amd_iommu.c: In function 'pri_reset_while_enabled':
drivers/iommu/amd_iommu.c:1981:38: error: 'PCI_PRI_CAP' undeclared (first use in this function)
drivers/iommu/amd_iommu.c:1981:2: warning: passing argument 2 of 'pci_find_ext_capability' makes integer from pointer without a cast [enabled by default]
include/linux/pci.h:712:5: note: expected 'int' but argument is of type 'const int *'
drivers/iommu/amd_iommu.c: In function 'pci_pri_tlp_required':
drivers/iommu/amd_iommu.c:2045:38: error: 'PCI_PRI_CAP' undeclared (first use in this function)
drivers/iommu/amd_iommu.c:2045:2: warning: passing argument 2 of 'pci_find_ext_capability' makes integer from pointer without a cast [enabled by default]
include/linux/pci.h:712:5: note: expected 'int' but argument is of type 'const int *'

Caused by commit 56288ab6e949 ("PCI: Fix PRI and PASID consistency") from
the pci tree interacting with various commits from the iommu tree.

I have added the following merge fix patch (and can carry it as
necessary).

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 15 Dec 2011 15:35:23 +1100
Subject: [PATCH] iommu: fix for pci identifier changes

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/iommu/amd_iommu.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 32fc99c..b1f155e 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -176,8 +176,8 @@ static bool pci_iommuv2_capable(struct pci_dev *pdev)
 {
 	static const int caps[] = {
 		PCI_EXT_CAP_ID_ATS,
-		PCI_PRI_CAP,
-		PCI_PASID_CAP,
+		PCI_EXT_CAP_ID_PRI,
+		PCI_EXT_CAP_ID_PASID,
 	};
 	int i, pos;
 
@@ -1978,7 +1978,7 @@ static int pri_reset_while_enabled(struct pci_dev *pdev)
 	u16 control;
 	int pos;
 
-	pos = pci_find_ext_capability(pdev, PCI_PRI_CAP);
+	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
 	if (!pos)
 		return -EINVAL;
 
@@ -2042,7 +2042,7 @@ bool pci_pri_tlp_required(struct pci_dev *pdev)
 	u16 control;
 	int pos;
 
-	pos = pci_find_ext_capability(pdev, PCI_PRI_CAP);
+	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI);
 	if (!pos)
 		return false;
 
-- 
1.7.7.3

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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