[PATCH -next] irqchip/sifive-plic: Make use of __assign_bit() API

[Hongbo Li]

We have for some time the __assign_bit() API to replace
open coded
    if (foo)
        __set_bit(n, bar);
    else
        __clear_bit(n, bar);

Use this API to simplify the code. No functional change
intended.

Signed-off-by: Hongbo Li <lihongbo22 at huawei.com>
---
 drivers/irqchip/irq-sifive-plic.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index 2f6ef5c495bd..c576b9bbeb13 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -252,10 +252,8 @@ static int plic_irq_suspend(void)
 	priv = per_cpu_ptr(&plic_handlers, smp_processor_id())->priv;
 
 	for (i = 0; i < priv->nr_irqs; i++)
-		if (readl(priv->regs + PRIORITY_BASE + i * PRIORITY_PER_ID))
-			__set_bit(i, priv->prio_save);
-		else
-			__clear_bit(i, priv->prio_save);
+		__assign_bit(i, priv->prio_save,
+		    readl(priv->regs + PRIORITY_BASE + i * PRIORITY_PER_ID));
 
 	for_each_cpu(cpu, cpu_present_mask) {
 		struct plic_handler *handler = per_cpu_ptr(&plic_handlers, cpu);
-- 
2.34.1