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-rw-r--r--arch/x86/kernel/amd_iommu_init.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 9bf1b8111b08..7661b02d7208 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -426,11 +426,18 @@ static void set_dev_entry_bit(u16 devid, u8 bit)
amd_iommu_dev_table[devid].data[i] |= (1 << _bit);
}
+/* Writes the specific IOMMU for a device into the rlookup table */
+static void __init set_iommu_for_device(struct amd_iommu *iommu, u16 devid)
+{
+ amd_iommu_rlookup_table[devid] = iommu;
+}
+
/*
* This function takes the device specific flags read from the ACPI
* table and sets up the device table entry with that information
*/
-static void __init set_dev_entry_from_acpi(u16 devid, u32 flags, u32 ext_flags)
+static void __init set_dev_entry_from_acpi(struct amd_iommu *iommu,
+ u16 devid, u32 flags, u32 ext_flags)
{
if (flags & ACPI_DEVFLAG_INITPASS)
set_dev_entry_bit(devid, DEV_ENTRY_INIT_PASS);
@@ -446,12 +453,8 @@ static void __init set_dev_entry_from_acpi(u16 devid, u32 flags, u32 ext_flags)
set_dev_entry_bit(devid, DEV_ENTRY_LINT0_PASS);
if (flags & ACPI_DEVFLAG_LINT1)
set_dev_entry_bit(devid, DEV_ENTRY_LINT1_PASS);
-}
-/* Writes the specific IOMMU for a device into the rlookup table */
-static void __init set_iommu_for_device(struct amd_iommu *iommu, u16 devid)
-{
- amd_iommu_rlookup_table[devid] = iommu;
+ set_iommu_for_device(iommu, devid);
}
/*
@@ -550,11 +553,12 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu,
case IVHD_DEV_ALL:
for (dev_i = iommu->first_device;
dev_i <= iommu->last_device; ++dev_i)
- set_dev_entry_from_acpi(dev_i, e->flags, 0);
+ set_dev_entry_from_acpi(iommu, dev_i,
+ e->flags, 0);
break;
case IVHD_DEV_SELECT:
devid = e->devid;
- set_dev_entry_from_acpi(devid, e->flags, 0);
+ set_dev_entry_from_acpi(iommu, devid, e->flags, 0);
break;
case IVHD_DEV_SELECT_RANGE_START:
devid_start = e->devid;
@@ -565,7 +569,7 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu,
case IVHD_DEV_ALIAS:
devid = e->devid;
devid_to = e->ext >> 8;
- set_dev_entry_from_acpi(devid, e->flags, 0);
+ set_dev_entry_from_acpi(iommu, devid, e->flags, 0);
amd_iommu_alias_table[devid] = devid_to;
break;
case IVHD_DEV_ALIAS_RANGE:
@@ -577,7 +581,8 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu,
break;
case IVHD_DEV_EXT_SELECT:
devid = e->devid;
- set_dev_entry_from_acpi(devid, e->flags, e->ext);
+ set_dev_entry_from_acpi(iommu, devid, e->flags,
+ e->ext);
break;
case IVHD_DEV_EXT_SELECT_RANGE:
devid_start = e->devid;
@@ -590,7 +595,7 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu,
for (dev_i = devid_start; dev_i <= devid; ++dev_i) {
if (alias)
amd_iommu_alias_table[dev_i] = devid_to;
- set_dev_entry_from_acpi(
+ set_dev_entry_from_acpi(iommu,
amd_iommu_alias_table[dev_i],
flags, ext_flags);
}