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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.c60
1 files changed, 3 insertions, 57 deletions
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 95e3d2a71db6..412196a7dad5 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -1081,10 +1081,6 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq,
return 0;
}
-static void gic_irq_domain_unmap(struct irq_domain *d, unsigned int irq)
-{
-}
-
static int gic_irq_domain_translate(struct irq_domain *d,
struct irq_fwspec *fwspec,
unsigned long *hwirq,
@@ -1167,11 +1163,6 @@ static const struct irq_domain_ops gic_irq_domain_hierarchy_ops = {
.free = irq_domain_free_irqs_top,
};
-static const struct irq_domain_ops gic_irq_domain_ops = {
- .map = gic_irq_domain_map,
- .unmap = gic_irq_domain_unmap,
-};
-
static int gic_init_bases(struct gic_chip_data *gic,
struct fwnode_handle *handle)
{
@@ -1219,30 +1210,9 @@ static int gic_init_bases(struct gic_chip_data *gic,
gic_irqs = 1020;
gic->gic_irqs = gic_irqs;
- if (handle) { /* DT/ACPI */
- gic->domain = irq_domain_create_linear(handle, gic_irqs,
- &gic_irq_domain_hierarchy_ops,
- gic);
- } else { /* Legacy support */
- /*
- * For primary GICs, skip over SGIs.
- * No secondary GIC support whatsoever.
- */
- int irq_base;
-
- gic_irqs -= 16; /* calculate # of irqs to allocate */
-
- irq_base = irq_alloc_descs(16, 16, gic_irqs,
- numa_node_id());
- if (irq_base < 0) {
- WARN(1, "Cannot allocate irq_descs @ IRQ16, assuming pre-allocated\n");
- irq_base = 16;
- }
-
- gic->domain = irq_domain_add_legacy(NULL, gic_irqs, irq_base,
- 16, &gic_irq_domain_ops, gic);
- }
-
+ gic->domain = irq_domain_create_linear(handle, gic_irqs,
+ &gic_irq_domain_hierarchy_ops,
+ gic);
if (WARN_ON(!gic->domain)) {
ret = -ENODEV;
goto error;
@@ -1297,23 +1267,6 @@ static int __init __gic_init_bases(struct gic_chip_data *gic,
return ret;
}
-void __init gic_init(void __iomem *dist_base, void __iomem *cpu_base)
-{
- struct gic_chip_data *gic;
-
- /*
- * Non-DT/ACPI systems won't run a hypervisor, so let's not
- * bother with these...
- */
- static_branch_disable(&supports_deactivate_key);
-
- gic = &gic_data[0];
- gic->raw_dist_base = dist_base;
- gic->raw_cpu_base = cpu_base;
-
- __gic_init_bases(gic, NULL);
-}
-
static void gic_teardown(struct gic_chip_data *gic)
{
if (WARN_ON(!gic))
@@ -1325,7 +1278,6 @@ static void gic_teardown(struct gic_chip_data *gic)
iounmap(gic->raw_cpu_base);
}
-#ifdef CONFIG_OF
static int gic_cnt __initdata;
static bool gicv2_force_probe;
@@ -1570,12 +1522,6 @@ IRQCHIP_DECLARE(cortex_a7_gic, "arm,cortex-a7-gic", gic_of_init);
IRQCHIP_DECLARE(msm_8660_qgic, "qcom,msm-8660-qgic", gic_of_init);
IRQCHIP_DECLARE(msm_qgic2, "qcom,msm-qgic2", gic_of_init);
IRQCHIP_DECLARE(pl390, "arm,pl390", gic_of_init);
-#else
-int gic_of_init_child(struct device *dev, struct gic_chip_data **gic, int irq)
-{
- return -ENOTSUPP;
-}
-#endif
#ifdef CONFIG_ACPI
static struct