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-rw-r--r--arch/x86/include/asm/irq_remapping.h2
-rw-r--r--arch/x86/kernel/apic/apic.c3
-rw-r--r--drivers/iommu/irq_remapping.c19
3 files changed, 7 insertions, 17 deletions
diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
index b7747c4c2cf2..f1b619e5a50d 100644
--- a/arch/x86/include/asm/irq_remapping.h
+++ b/arch/x86/include/asm/irq_remapping.h
@@ -33,7 +33,6 @@ struct irq_cfg;
#ifdef CONFIG_IRQ_REMAP
-extern void setup_irq_remapping_ops(void);
extern int irq_remapping_supported(void);
extern void set_irq_remapping_broken(void);
extern int irq_remapping_prepare(void);
@@ -60,7 +59,6 @@ void irq_remap_modify_chip_defaults(struct irq_chip *chip);
#else /* CONFIG_IRQ_REMAP */
-static inline void setup_irq_remapping_ops(void) { }
static inline int irq_remapping_supported(void) { return 0; }
static inline void set_irq_remapping_broken(void) { }
static inline int irq_remapping_prepare(void) { return -ENODEV; }
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 29b5b18afa27..141f1031013d 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1597,9 +1597,6 @@ void __init enable_IR_x2apic(void)
int ret, x2apic_enabled = 0;
int hardware_init_ret;
- /* Make sure irq_remap_ops are initialized */
- setup_irq_remapping_ops();
-
hardware_init_ret = irq_remapping_prepare();
if (hardware_init_ret && !x2apic_supported())
return;
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 89c4846683be..91d5884d3ed9 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -194,16 +194,6 @@ static __init int setup_irqremap(char *str)
}
early_param("intremap", setup_irqremap);
-void __init setup_irq_remapping_ops(void)
-{
- remap_ops = &intel_irq_remap_ops;
-
-#ifdef CONFIG_AMD_IOMMU
- if (amd_iommu_irq_ops.prepare() == 0)
- remap_ops = &amd_iommu_irq_ops;
-#endif
-}
-
void set_irq_remapping_broken(void)
{
irq_remap_broken = 1;
@@ -222,9 +212,14 @@ int irq_remapping_supported(void)
int __init irq_remapping_prepare(void)
{
- if (!remap_ops || !remap_ops->prepare)
- return -ENODEV;
+ remap_ops = &intel_irq_remap_ops;
+#ifdef CONFIG_AMD_IOMMU
+ if (amd_iommu_irq_ops.prepare() == 0) {
+ remap_ops = &amd_iommu_irq_ops;
+ return 0;
+ }
+#endif
return remap_ops->prepare();
}