irq_remap: Fix UP build failure

Fix the below UP build failure with CONFIG_IRQ_REMAP enabled.

 drivers/iommu/intel_irq_remapping.c:955:19: error: ‘struct irq_data’ has no member named ‘affinity’

Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: joro@8bytes.org
Cc: iommu@lists.linux-foundation.org
Cc: Joerg Roedel <joerg.roedel@amd.com>
Link: http://lkml.kernel.org/r/1336460934-23592-2-git-send-email-suresh.b.siddha@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

3 files changed, 8 insertions, 0 deletions

diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index b4d39507681a..1c0255e4ff29 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -902,6 +902,7 @@ static int intel_setup_ioapic_entry(int irq,
         return 0;
 }
 
+#ifdef CONFIG_SMP
 /*
  * Migrate the IO-APIC irq in the presence of intr-remapping.
  *
@@ -955,6 +956,7 @@ intel_ioapic_set_affinity(struct irq_data *data, const struct cpumask *mask,
         cpumask_copy(data->affinity, mask);
         return 0;
 }
+#endif
 
 static void intel_compose_msi_msg(struct pci_dev *pdev,
                                   unsigned int irq, unsigned int dest,
@@ -1056,7 +1058,9 @@ struct irq_remap_ops intel_irq_remap_ops = {
         .reenable               = reenable_irq_remapping,
         .enable_faulting        = enable_drhd_fault_handling,
         .setup_ioapic_entry     = intel_setup_ioapic_entry,
+#ifdef CONFIG_SMP
         .set_affinity           = intel_ioapic_set_affinity,
+#endif
         .free_irq               = free_irte,
         .compose_msi_msg        = intel_compose_msi_msg,
         .msi_alloc_irq          = intel_msi_alloc_irq,
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 1cf350e02da8..40cda8e98d87 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -111,6 +111,7 @@ int setup_ioapic_remapped_entry(int irq,
                                              vector, attr);
 }
 
+#ifdef CONFIG_SMP
 int set_remapped_irq_affinity(struct irq_data *data, const struct cpumask *mask,
                               bool force)
 {
@@ -119,6 +120,7 @@ int set_remapped_irq_affinity(struct irq_data *data, const struct cpumask *mask,
 
         return remap_ops->set_affinity(data, mask, force);
 }
+#endif
 
 void free_remapped_irq(int irq)
 {
diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h
index b12974cc1dfe..be9d72950c51 100644
--- a/drivers/iommu/irq_remapping.h
+++ b/drivers/iommu/irq_remapping.h
@@ -59,9 +59,11 @@ struct irq_remap_ops {
                                   unsigned int, int,
                                   struct io_apic_irq_attr *);
 
+#ifdef CONFIG_SMP
         /* Set the CPU affinity of a remapped interrupt */
         int (*set_affinity)(struct irq_data *data, const struct cpumask *mask,
                             bool force);
+#endif
 
         /* Free an IRQ */
         int (*free_irq)(int);