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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, 10 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 37831a557bcb..94a30da0cfac 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -957,6 +957,7 @@ static void __init __gic_init(unsigned long gic_base_addr,
struct device_node *node)
{
unsigned int gicconfig;
+ unsigned int v[2];
__gic_base_addr = gic_base_addr;
@@ -1027,8 +1028,15 @@ static void __init __gic_init(unsigned long gic_base_addr,
gic_ipi_domain->bus_token = DOMAIN_BUS_IPI;
- /* Make the last 2 * gic_vpes available for IPIs */
- bitmap_set(ipi_resrv, gic_shared_intrs - 2 * gic_vpes, 2 * gic_vpes);
+ if (node &&
+ !of_property_read_u32_array(node, "mti,reserved-ipi-vectors", v, 2)) {
+ bitmap_set(ipi_resrv, v[0], v[1]);
+ } else {
+ /* Make the last 2 * gic_vpes available for IPIs */
+ bitmap_set(ipi_resrv,
+ gic_shared_intrs - 2 * gic_vpes,
+ 2 * gic_vpes);
+ }
gic_basic_init();
}