diff options
Diffstat (limited to 'drivers/irqchip/irq-armada-370-xp.c')
| -rw-r--r-- | drivers/irqchip/irq-armada-370-xp.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 5849ac5a2ad3..0fd428db3aa4 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -392,7 +392,16 @@ static void armada_xp_mpic_smp_cpu_init(void) static void armada_xp_mpic_perf_init(void) { - unsigned long cpuid = cpu_logical_map(smp_processor_id()); + unsigned long cpuid; + + /* + * This Performance Counter Overflow interrupt is specific for + * Armada 370 and XP. It is not available on Armada 375, 38x and 39x. + */ + if (!of_machine_is_compatible("marvell,armada-370-xp")) + return; + + cpuid = cpu_logical_map(smp_processor_id()); /* Enable Performance Counter Overflow interrupts */ writel(ARMADA_370_XP_INT_CAUSE_PERF(cpuid), |