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-rw-r--r--arch/powerpc/kernel/irq.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index eb9fc621e05..e1936952017 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -268,7 +268,8 @@ void do_IRQ(struct pt_regs *regs)
set_irq_regs(old_regs);
#ifdef CONFIG_PPC_ISERIES
- if (get_lppaca()->int_dword.fields.decr_int) {
+ if (firmware_has_feature(FW_FEATURE_ISERIES) &&
+ get_lppaca()->int_dword.fields.decr_int) {
get_lppaca()->int_dword.fields.decr_int = 0;
/* Signal a fake decrementer interrupt */
timer_interrupt(regs);