ARC: [intc-*] switch to linear domain

Now that we have Timers probed from DT, don't need legacy domain

This however requires mapping to be called explicitly for the IRQ which
still can't (and probably never) be probed from DT such as IPI and
SOFTIRQ

Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index 592cc977151e0d8b060a3e5d0b3d4a979ae13af3..6c24faf48b1674afccf9932726699b083bb3e13a 100644 (file)
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -146,8 +146,7 @@ init_onchip_IRQ(struct device_node *intc, struct device_node *parent)
        if (parent)
                panic("DeviceTree incore intc not a root irq controller\n");
 
-       root_domain = irq_domain_add_legacy(intc, NR_CPU_IRQS, 0, 0,
-                                           &arcv2_irq_ops, NULL);
+       root_domain = irq_domain_add_linear(intc, NR_CPU_IRQS, &arcv2_irq_ops, NULL);
        if (!root_domain)
                panic("root irq domain not avail\n");
 
@@ -157,6 +156,11 @@ init_onchip_IRQ(struct device_node *intc, struct device_node *parent)
         */
        irq_set_default_host(root_domain);
 
+#ifdef CONFIG_SMP
+       irq_create_mapping(root_domain, IPI_IRQ);
+#endif
+       irq_create_mapping(root_domain, SOFTIRQ_IRQ);
+
        return 0;
 }
 

diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c
index 48a8b24de23eebde39ac935d70bede858c18c955..c5cceca36118744f8c06359bc060f250974313df 100644 (file)
--- a/arch/arc/kernel/intc-compact.c
+++ b/arch/arc/kernel/intc-compact.c
@@ -105,7 +105,7 @@ init_onchip_IRQ(struct device_node *intc, struct device_node *parent)
        if (parent)
                panic("DeviceTree incore intc not a root irq controller\n");
 
-       root_domain = irq_domain_add_legacy(intc, NR_CPU_IRQS, 0, 0,
+       root_domain = irq_domain_add_linear(intc, NR_CPU_IRQS,
                                            &arc_intc_domain_ops, NULL);
        if (!root_domain)
                panic("root irq domain not avail\n");