[PATCH 1/3] iommu/amd: Adapt IOMMU driver to PCI register name changes

From: Joerg Roedel
Date: Thu Dec 15 2011 - 05:23:38 EST


The symbolic register names for PCI and PASID changed in
PCI code. This patch adapts the AMD IOMMU driver to these
changes.

Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
drivers/iommu/amd_iommu.c | 16 ++++++++--------
1 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index a7cbcd4..d5074f4 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;

@@ -1978,13 +1978,13 @@ 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;

- pci_read_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, &control);
- control |= PCI_PRI_RESET;
- pci_write_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, control);
+ pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);
+ control |= PCI_PRI_CTRL_RESET;
+ pci_write_config_word(pdev, pos + PCI_PRI_CTRL, control);

return 0;
}
@@ -2042,11 +2042,11 @@ 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;

- pci_read_config_word(pdev, pos + PCI_PRI_CONTROL_OFF, &control);
+ pci_read_config_word(pdev, pos + PCI_PRI_CTRL, &control);

return (control & PCI_PRI_TLP_OFF) ? true : false;
}
--
1.7.5.4


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