irqchip/renesas-irqc: Use linear IRQ domain

Use linear IRQ domain instead of irq_domain_add_simple() that also
handles non-DT cases. This reduces the delta between the IRQC code and
the generic chip implementation.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Cc: jason@lakedaemon.net
Cc: geert+renesas@glider.be
Cc: horms@verge.net.au
Cc: Magnus Damm <magnus.damm@gmail.com>
Link: http://lkml.kernel.org/r/20150720100625.2552.63939.sendpatchset@little-apple
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c
index 74e980f..7f75092 100644 (file)
--- a/drivers/irqchip/irq-renesas-irqc.c
+++ b/drivers/irqchip/irq-renesas-irqc.c
@@ -242,8 +242,8 @@ static int irqc_probe(struct platform_device *pdev)
        irq_chip->irq_set_wake = irqc_irq_set_wake;
        irq_chip->flags = IRQCHIP_MASK_ON_SUSPEND;
 
-       p->irq_domain = irq_domain_add_simple(pdev->dev.of_node,
-                                             p->number_of_irqs, 0,
+       p->irq_domain = irq_domain_add_linear(pdev->dev.of_node,
+                                             p->number_of_irqs,
                                              &irqc_irq_domain_ops, p);
        if (!p->irq_domain) {
                ret = -ENXIO;