[PATCH] irq: Remove set_native_irq_info

This patch replaces all instances of "set_native_irq_info(irq, mask)"
with "irq_desc[irq].affinity = mask".  The latter form is clearer
uses fewer abstractions, and makes access to this field uniform
accross different architectures.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/i386/kernel/io_apic.c

@@ -343,7 +343,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
 			break;
 		entry = irq_2_pin + entry->next;
 	}
-	set_native_irq_info(irq, cpumask);
+	irq_desc[irq].affinity = cpumask;
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
@@ -1354,7 +1354,7 @@ static void __init setup_IO_APIC_irqs(void)
 		}
 		spin_lock_irqsave(&ioapic_lock, flags);
 		__ioapic_write_entry(apic, pin, entry);
-		set_native_irq_info(irq, TARGET_CPUS);
+		irq_desc[irq].affinity = TARGET_CPUS;
 		spin_unlock_irqrestore(&ioapic_lock, flags);
 	}
 	}
@@ -2585,7 +2585,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
 
 	write_msi_msg(irq, &msg);
-	set_native_irq_info(irq, mask);
+	irq_desc[irq].affinity = mask;
 }
 #endif /* CONFIG_SMP */
 
@@ -2669,7 +2669,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 	dest = cpu_mask_to_apicid(mask);
 
 	target_ht_irq(irq, dest);
-	set_native_irq_info(irq, mask);
+	irq_desc[irq].affinity = mask;
 }
 #endif
 
@@ -2875,7 +2875,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int a
 
 	spin_lock_irqsave(&ioapic_lock, flags);
 	__ioapic_write_entry(ioapic, pin, entry);
-	set_native_irq_info(irq, TARGET_CPUS);
+	irq_desc[irq].affinity = TARGET_CPUS;
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	return 0;

arch/ia64/kernel/msi_ia64.c

@@ -60,7 +60,7 @@ static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
 	msg.address_lo = addr;
 
 	write_msi_msg(irq, &msg);
-	set_native_irq_info(irq, cpu_mask);
+	irq_desc[irq].affinity = cpu_mask;
 }
 #endif /* CONFIG_SMP */
 

arch/ia64/sn/kernel/msi_sn.c

@@ -204,7 +204,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
 	msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff);
 
 	write_msi_msg(irq, &msg);
-	set_native_irq_info(irq, cpu_mask);
+	irq_desc[irq].affinity = cpu_mask;
 }
 #endif /* CONFIG_SMP */
 

arch/x86_64/kernel/io_apic.c

@@ -261,7 +261,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 
 	spin_lock_irqsave(&ioapic_lock, flags);
 	__target_IO_APIC_irq(irq, dest, vector);
-	set_native_irq_info(irq, mask);
+	irq_desc[irq].affinity = mask;
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 #endif
@@ -857,7 +857,7 @@ static void __init setup_IO_APIC_irq(int apic, int pin, int idx, int irq)
 	ioapic_write_entry(apic, pin, entry);
 
 	spin_lock_irqsave(&ioapic_lock, flags);
-	set_native_irq_info(irq, TARGET_CPUS);
+	irq_desc[irq].affinity = TARGET_CPUS;
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 
 }
@@ -1930,7 +1930,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
 
 	write_msi_msg(irq, &msg);
-	set_native_irq_info(irq, mask);
+	irq_desc[irq].affinity = mask;
 }
 #endif /* CONFIG_SMP */
 
@@ -2018,7 +2018,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 	dest = cpu_mask_to_apicid(tmp);
 
 	target_ht_irq(irq, dest, vector);
-	set_native_irq_info(irq, mask);
+	irq_desc[irq].affinity = mask;
 }
 #endif
 
@@ -2143,7 +2143,7 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int p
 	ioapic_write_entry(ioapic, pin, entry);
 
 	spin_lock_irqsave(&ioapic_lock, flags);
-	set_native_irq_info(irq, TARGET_CPUS);
+	irq_desc[irq].affinity = TARGET_CPUS;
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	return 0;

include/linux/irq.h

@@ -199,17 +199,6 @@ extern int setup_irq(unsigned int irq, struct irqaction *new);
 # define handle_dynamic_tick(a)		do { } while (0)
 #endif
 
-#ifdef CONFIG_SMP
-static inline void set_native_irq_info(int irq, cpumask_t mask)
-{
-	irq_desc[irq].affinity = mask;
-}
-#else
-static inline void set_native_irq_info(int irq, cpumask_t mask)
-{
-}
-#endif
-
 #ifdef CONFIG_SMP
 
 #if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)