x86: fix unused variable warning in arch/x86/kernel/hpet.c

Impact: fix build warning

this warning:

  arch/x86/kernel/hpet.c:36: warning: ‘hpet_num_timers’ defined but not used

Triggers because hpet_num_timers is unused in the !CONFIG_PCI_MSI case.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 15fcaacc1f84..3f0a3edf0a57 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -33,7 +33,9 @@
  * HPET address is set in acpi/boot.c, when an ACPI entry exists
  */
 unsigned long                           hpet_address;
+#ifdef CONFIG_PCI_MSI
 static unsigned long                    hpet_num_timers;
+#endif
 static void __iomem                     *hpet_virt_address;
 
 struct hpet_dev {