Added dummy function for hpet_setup_msi_irq().

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
---
 arch/x86/kernel/hpet.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 01005ae..422c577 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -635,6 +635,10 @@ static int hpet_cpuhp_notify(struct notifier_block *n,
 }
 #else
 
+static int hpet_setup_msi_irq(unsigned int irq)
+{
+	return 0;
+}
 void hpet_msi_capability_lookup(unsigned int start_timer)
 {
 	return;
-- 
1.6.0.1

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