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)