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path: root/drivers/irqchip/irq-mips-gic.c
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Diffstat (limited to 'drivers/irqchip/irq-mips-gic.c')
-rw-r--r--drivers/irqchip/irq-mips-gic.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index d74374f25392..abf696b49dd7 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -55,6 +55,7 @@ static unsigned int gic_cpu_pin;
static unsigned int timer_cpu_pin;
static struct irq_chip gic_level_irq_controller, gic_edge_irq_controller;
DECLARE_BITMAP(ipi_resrv, GIC_MAX_INTRS);
+DECLARE_BITMAP(ipi_available, GIC_MAX_INTRS);
static void __gic_irq_dispatch(void);
@@ -746,17 +747,17 @@ static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq,
return gic_setup_dev_chip(d, virq, spec->hwirq);
} else {
- base_hwirq = find_first_bit(ipi_resrv, gic_shared_intrs);
+ base_hwirq = find_first_bit(ipi_available, gic_shared_intrs);
if (base_hwirq == gic_shared_intrs) {
return -ENOMEM;
}
/* check that we have enough space */
for (i = base_hwirq; i < nr_irqs; i++) {
- if (!test_bit(i, ipi_resrv))
+ if (!test_bit(i, ipi_available))
return -EBUSY;
}
- bitmap_clear(ipi_resrv, base_hwirq, nr_irqs);
+ bitmap_clear(ipi_available, base_hwirq, nr_irqs);
/* map the hwirq for each cpu consecutively */
i = 0;
@@ -787,7 +788,7 @@ static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq,
return 0;
error:
- bitmap_set(ipi_resrv, base_hwirq, nr_irqs);
+ bitmap_set(ipi_available, base_hwirq, nr_irqs);
return ret;
}
@@ -802,7 +803,7 @@ void gic_irq_domain_free(struct irq_domain *d, unsigned int virq,
return;
base_hwirq = GIC_HWIRQ_TO_SHARED(irqd_to_hwirq(data));
- bitmap_set(ipi_resrv, base_hwirq, nr_irqs);
+ bitmap_set(ipi_available, base_hwirq, nr_irqs);
}
int gic_irq_domain_match(struct irq_domain *d, struct device_node *node,
@@ -1066,6 +1067,7 @@ static void __init __gic_init(unsigned long gic_base_addr,
2 * gic_vpes);
}
+ bitmap_copy(ipi_available, ipi_resrv, GIC_MAX_INTRS);
gic_basic_init();
}