x86, irq: kill create_irq()

create_irq() will return -1 when fail to allocate.
create_irq_nr() will return 0 when fail to allocate.

it only causes confusing.

And now we don't have user for create_irq().

So remove create_irq() for x86.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>

1 files changed, 0 insertions, 15 deletions

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index e7852885f1f46c..fe3eb2d990bb69 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3036,21 +3036,6 @@ unsigned int create_irq_nr(unsigned int from, int node)
 	return ret;
 }
 
-int create_irq(void)
-{
-	int node = cpu_to_node(0);
-	unsigned int irq_want;
-	int irq;
-
-	irq_want = nr_irqs_gsi;
-	irq = create_irq_nr(irq_want, node);
-
-	if (irq == 0)
-		irq = -1;
-
-	return irq;
-}
-
 void destroy_irq(unsigned int irq)
 {
 	struct irq_cfg *cfg = irq_get_chip_data(irq);