diff options
Diffstat (limited to 'drivers/irqchip/irq-sun4i.c')
| -rw-r--r-- | drivers/irqchip/irq-sun4i.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/irqchip/irq-sun4i.c b/drivers/irqchip/irq-sun4i.c index 003a146a1750..6fcef4a95a18 100644 --- a/drivers/irqchip/irq-sun4i.c +++ b/drivers/irqchip/irq-sun4i.c @@ -41,16 +41,11 @@ static void __exception_irq_entry sun4i_handle_irq(struct pt_regs *regs); static void sun4i_irq_ack(struct irq_data *irqd) { unsigned int irq = irqd_to_hwirq(irqd); - unsigned int irq_off = irq % 32; - int reg = irq / 32; - u32 val; if (irq != 0) return; /* Only IRQ 0 / the ENMI needs to be acked */ - val = readl(sun4i_irq_base + SUN4I_IRQ_PENDING_REG(reg)); - writel(val | (1 << irq_off), - sun4i_irq_base + SUN4I_IRQ_PENDING_REG(reg)); + writel(BIT(0), sun4i_irq_base + SUN4I_IRQ_PENDING_REG(0)); } static void sun4i_irq_mask(struct irq_data *irqd) |