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path: root/drivers/irqchip/irq-gic.c
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Diffstat (limited to 'drivers/irqchip/irq-gic.c')
-rw-r--r--drivers/irqchip/irq-gic.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 84fc622d0309..aa3e7b8a69c4 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -356,9 +356,9 @@ static u8 gic_get_cpumask(struct gic_chip_data *gic)
return mask;
}
-static void gic_cpu_if_up(void)
+static void gic_cpu_if_up(struct gic_chip_data *gic)
{
- void __iomem *cpu_base = gic_data_cpu_base(&gic_data[0]);
+ void __iomem *cpu_base = gic_data_cpu_base(gic);
u32 bypass = 0;
/*
@@ -426,17 +426,23 @@ static void gic_cpu_init(struct gic_chip_data *gic)
gic_cpu_config(dist_base, NULL);
writel_relaxed(GICC_INT_PRI_THRESHOLD, base + GIC_CPU_PRIMASK);
- gic_cpu_if_up();
+ gic_cpu_if_up(gic);
}
-void gic_cpu_if_down(void)
+int gic_cpu_if_down(unsigned int gic_nr)
{
- void __iomem *cpu_base = gic_data_cpu_base(&gic_data[0]);
+ void __iomem *cpu_base;
u32 val = 0;
+ if (gic_nr >= MAX_GIC_NR)
+ return -EINVAL;
+
+ cpu_base = gic_data_cpu_base(&gic_data[gic_nr]);
val = readl(cpu_base + GIC_CPU_CTRL);
val &= ~GICC_ENABLE;
writel_relaxed(val, cpu_base + GIC_CPU_CTRL);
+
+ return 0;
}
#ifdef CONFIG_CPU_PM
@@ -572,7 +578,7 @@ static void gic_cpu_restore(unsigned int gic_nr)
dist_base + GIC_DIST_PRI + i * 4);
writel_relaxed(GICC_INT_PRI_THRESHOLD, cpu_base + GIC_CPU_PRIMASK);
- gic_cpu_if_up();
+ gic_cpu_if_up(&gic_data[gic_nr]);
}
static int gic_notifier(struct notifier_block *self, unsigned long cmd, void *v)