diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-armada-370-xp.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 1115bf878ca..ad1e6422a73 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -48,7 +48,9 @@ #define ARMADA_370_XP_TIMER0_PER_CPU_IRQ (5) -#define ACTIVE_DOORBELLS (8) +#define IPI_DOORBELL_START (0) +#define IPI_DOORBELL_END (8) +#define IPI_DOORBELL_MASK 0xFF static DEFINE_RAW_SPINLOCK(irq_controller_lock); @@ -192,7 +194,7 @@ void armada_xp_mpic_smp_cpu_init(void) writel(0, per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS); /* Enable first 8 IPIs */ - writel((1 << ACTIVE_DOORBELLS) - 1, per_cpu_int_base + + writel(IPI_DOORBELL_MASK, per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_MSK_OFFS); /* Unmask IPI interrupt */ @@ -231,13 +233,14 @@ armada_370_xp_handle_irq(struct pt_regs *regs) ipimask = readl_relaxed(per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS) - & 0xFF; + & IPI_DOORBELL_MASK; - writel(0x0, per_cpu_int_base + + writel(~IPI_DOORBELL_MASK, per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS); /* Handle all pending doorbells */ - for (ipinr = 0; ipinr < ACTIVE_DOORBELLS; ipinr++) { + for (ipinr = IPI_DOORBELL_START; + ipinr < IPI_DOORBELL_END; ipinr++) { if (ipimask & (0x1 << ipinr)) handle_IPI(ipinr, regs); } |