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authorYinghai Lu <yinghai.lu@oracle.com>2011-10-12 00:33:05 -0700
committerIngo Molnar <mingo@elte.hu>2011-10-12 09:55:15 +0200
commite4aff81182c01f81d0bedb0685abccf3cba4a2ac (patch)
tree1fa7bce587144057135b899ccfca9d912eb4ee9f /arch/x86
parent838312be46f3abfbdc175f81c3e54a857994476d (diff)
downloadlinux-e4aff81182c01f81d0bedb0685abccf3cba4a2ac.tar.gz
x86, ioapic: Pass struct irq_attr * to setup_ioapic_irq()
Do not expand that struct, and just pass pointer to reduce the
number of parameters in related functions.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/4E9542B1.7050800@oracle.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/apic/io_apic.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 8eb863e27ea6..a7052fafdd43 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1324,8 +1324,8 @@ static int setup_ioapic_entry(int apic_id, int irq,
 	return 0;
 }
 
-static void setup_ioapic_irq(int apic_id, int pin, unsigned int irq,
-			     struct irq_cfg *cfg, int trigger, int polarity)
+static void setup_ioapic_irq(unsigned int irq, struct irq_cfg *cfg,
+				struct io_apic_irq_attr *attr)
 {
 	struct IO_APIC_route_entry entry;
 	unsigned int dest;
@@ -1348,23 +1348,24 @@ static void setup_ioapic_irq(int apic_id, int pin, unsigned int irq,
 	apic_printk(APIC_VERBOSE,KERN_DEBUG
 		    "IOAPIC[%d]: Set routing entry (%d-%d -> 0x%x -> "
 		    "IRQ %d Mode:%i Active:%i Dest:%d)\n",
-		    apic_id, mpc_ioapic_id(apic_id), pin, cfg->vector,
-		    irq, trigger, polarity, dest);
+		    attr->ioapic, mpc_ioapic_id(attr->ioapic), attr->ioapic_pin,
+		    cfg->vector, irq, attr->trigger, attr->polarity, dest);
 
 
-	if (setup_ioapic_entry(mpc_ioapic_id(apic_id), irq, &entry,
-			       dest, trigger, polarity, cfg->vector, pin)) {
+	if (setup_ioapic_entry(mpc_ioapic_id(attr->ioapic), irq, &entry,
+			       dest, attr->trigger, attr->polarity, cfg->vector,
+			       attr->ioapic_pin)) {
 		printk("Failed to setup ioapic entry for ioapic  %d, pin %d\n",
-		       mpc_ioapic_id(apic_id), pin);
+		       mpc_ioapic_id(attr->ioapic), attr->ioapic_pin);
 		__clear_irq_vector(irq, cfg);
 		return;
 	}
 
-	ioapic_register_intr(irq, cfg, trigger);
+	ioapic_register_intr(irq, cfg, attr->trigger);
 	if (irq < legacy_pic->nr_legacy_irqs)
 		legacy_pic->mask(irq);
 
-	ioapic_write_entry(apic_id, pin, entry);
+	ioapic_write_entry(attr->ioapic, attr->ioapic_pin, entry);
 }
 
 static bool __init io_apic_pin_not_connected(int idx, int apic_id, int pin)
@@ -3566,8 +3567,7 @@ io_apic_setup_irq_pin(unsigned int irq, int node, struct io_apic_irq_attr *attr)
 		return -EINVAL;
 	ret = __add_pin_to_irq_node(cfg, node, attr->ioapic, attr->ioapic_pin);
 	if (!ret)
-		setup_ioapic_irq(attr->ioapic, attr->ioapic_pin, irq, cfg,
-				 attr->trigger, attr->polarity);
+		setup_ioapic_irq(irq, cfg, attr);
 	return ret;
 }