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irqchip/renesas-irqc: Make use of irq_find_mapping()

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Instead of locally caching the virq as domain_irq simply rely on the
IRQ domain code and irq_find_mapping().  This reduces the delta
between the IRQC driver 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/20150720100635.2552.20906.sendpatchset@little-apple
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Magnus Damm 2015-07-20 19:06:35 +09:00 committed by Thomas Gleixner
parent 7d153751c7
commit e10fc03c4f
1 changed files with 4 additions and 7 deletions
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11
drivers/irqchip/irq-renesas-irqc.c
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@ -53,7 +53,6 @@
struct irqc_irq {
int hw_irq;
int requested_irq;
int domain_irq;
struct irqc_priv *p;
};
@ -70,8 +69,8 @@ struct irqc_priv {
static void irqc_dbg(struct irqc_irq *i, char *str)
{
dev_dbg(&i->p->pdev->dev, "%s (%d:%d:%d)\n",
str, i->requested_irq, i->hw_irq, i->domain_irq);
dev_dbg(&i->p->pdev->dev, "%s (%d:%d)\n",
str, i->requested_irq, i->hw_irq);
}
static void irqc_irq_enable(struct irq_data *d)
@ -145,7 +144,7 @@ static irqreturn_t irqc_irq_handler(int irq, void *dev_id)
if (ioread32(p->iomem + DETECT_STATUS) & bit) {
iowrite32(bit, p->iomem + DETECT_STATUS);
irqc_dbg(i, "demux2");
generic_handle_irq(i->domain_irq);
generic_handle_irq(irq_find_mapping(p->irq_domain, i->hw_irq));
return IRQ_HANDLED;
}
return IRQ_NONE;
@ -156,9 +155,6 @@ static int irqc_irq_domain_map(struct irq_domain *h, unsigned int virq,
{
struct irqc_priv *p = h->host_data;
p->irq[hw].domain_irq = virq;
p->irq[hw].hw_irq = hw;
irqc_dbg(&p->irq[hw], "map");
irq_set_chip_data(virq, h->host_data);
irq_set_chip_and_handler(virq, &p->irq_chip, handle_level_irq);
@ -214,6 +210,7 @@ static int irqc_probe(struct platform_device *pdev)
break;
p->irq[k].p = p;
p->irq[k].hw_irq = k;
p->irq[k].requested_irq = irq->start;
}