drivers: irq-chip: irq-gic: introduce gic_cpu_if_down()

[karo-tx-linux.git] / drivers / irqchip / irq-gic.c

diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index ee7c50312066cc4b750ee592fdd2956809eeebd8..d0e948084eaf7e2211c323f5976ecc08e5681136 100644 (file)
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -453,6 +453,12 @@ static void gic_cpu_init(struct gic_chip_data *gic)
        writel_relaxed(1, base + GIC_CPU_CTRL);
 }
 
+void gic_cpu_if_down(void)
+{
+       void __iomem *cpu_base = gic_data_cpu_base(&gic_data[0]);
+       writel_relaxed(0, cpu_base + GIC_CPU_CTRL);
+}
+
 #ifdef CONFIG_CPU_PM
 /*
  * Saves the GIC distributor registers during suspend or idle.  Must be called