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Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
-rw-r--r--arch/x86/kernel/amd_iommu_init.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index c625800c55ca..42c33cebf00f 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -122,7 +122,8 @@ u16 amd_iommu_last_bdf; /* largest PCI device id we have
LIST_HEAD(amd_iommu_unity_map); /* a list of required unity mappings
we find in ACPI */
unsigned amd_iommu_aperture_order = 26; /* size of aperture in power of 2 */
-int amd_iommu_isolate = 1; /* if 1, device isolation is enabled */
+bool amd_iommu_isolate = true; /* if true, device isolation is
+ enabled */
bool amd_iommu_unmap_flush; /* if true, flush on every unmap */
LIST_HEAD(amd_iommu_list); /* list of all AMD IOMMUs in the
@@ -243,20 +244,16 @@ static void __init iommu_feature_disable(struct amd_iommu *iommu, u8 bit)
}
/* Function to enable the hardware */
-void __init iommu_enable(struct amd_iommu *iommu)
+static void __init iommu_enable(struct amd_iommu *iommu)
{
- printk(KERN_INFO "AMD IOMMU: Enabling IOMMU "
- "at %02x:%02x.%x cap 0x%hx\n",
- iommu->dev->bus->number,
- PCI_SLOT(iommu->dev->devfn),
- PCI_FUNC(iommu->dev->devfn),
- iommu->cap_ptr);
+ printk(KERN_INFO "AMD IOMMU: Enabling IOMMU at %s cap 0x%hx\n",
+ dev_name(&iommu->dev->dev), iommu->cap_ptr);
iommu_feature_enable(iommu, CONTROL_IOMMU_EN);
}
/* Function to enable IOMMU event logging and event interrupts */
-void __init iommu_enable_event_logging(struct amd_iommu *iommu)
+static void __init iommu_enable_event_logging(struct amd_iommu *iommu)
{
iommu_feature_enable(iommu, CONTROL_EVT_LOG_EN);
iommu_feature_enable(iommu, CONTROL_EVT_INT_EN);
@@ -1218,9 +1215,9 @@ static int __init parse_amd_iommu_options(char *str)
{
for (; *str; ++str) {
if (strncmp(str, "isolate", 7) == 0)
- amd_iommu_isolate = 1;
+ amd_iommu_isolate = true;
if (strncmp(str, "share", 5) == 0)
- amd_iommu_isolate = 0;
+ amd_iommu_isolate = false;
if (strncmp(str, "fullflush", 9) == 0)
amd_iommu_unmap_flush = true;
}