[PATCH 2/2] irqchip/renesas-intc-irqpin: Remove intc_irqpin_priv.number_of_irqs

From: Geert Uytterhoeven
Date: Wed Oct 07 2015 - 06:51:47 EST


intc_irqpin_priv.number_of_irqs is used inside intc_irqpin_probe() only,
so it can just become a local variable.

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
drivers/irqchip/irq-renesas-intc-irqpin.c | 21 ++++++++++-----------
1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index 75285ba0edee..1b4e5cc9f7df 100644
--- a/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -75,7 +75,6 @@ struct intc_irqpin_priv {
struct intc_irqpin_iomem iomem[INTC_IRQPIN_REG_NR];
struct intc_irqpin_irq irq[INTC_IRQPIN_MAX];
unsigned int sense_bitfield_width;
- unsigned int number_of_irqs;
struct platform_device *pdev;
struct irq_chip irq_chip;
struct irq_domain *irq_domain;
@@ -385,6 +384,7 @@ static int intc_irqpin_probe(struct platform_device *pdev)
void (*disable_fn)(struct irq_data *d);
const char *name = dev_name(dev);
bool control_parent;
+ unsigned int nirqs;
int ref_irq;
int ret;
int k;
@@ -435,8 +435,8 @@ static int intc_irqpin_probe(struct platform_device *pdev)
p->irq[k].requested_irq = irq->start;
}

- p->number_of_irqs = k;
- if (p->number_of_irqs < 1) {
+ nirqs = k;
+ if (nirqs < 1) {
dev_err(dev, "not enough IRQ resources\n");
ret = -EINVAL;
goto err0;
@@ -490,7 +490,7 @@ static int intc_irqpin_probe(struct platform_device *pdev)
}

/* mask all interrupts using priority */
- for (k = 0; k < p->number_of_irqs; k++)
+ for (k = 0; k < nirqs; k++)
intc_irqpin_mask_unmask_prio(p, k, 1);

/* clear all pending interrupts */
@@ -499,7 +499,7 @@ static int intc_irqpin_probe(struct platform_device *pdev)
/* scan for shared interrupt lines */
ref_irq = p->irq[0].requested_irq;
p->shared_irqs = true;
- for (k = 1; k < p->number_of_irqs; k++) {
+ for (k = 1; k < nirqs; k++) {
if (ref_irq != p->irq[k].requested_irq) {
p->shared_irqs = false;
break;
@@ -526,9 +526,8 @@ static int intc_irqpin_probe(struct platform_device *pdev)
irq_chip->irq_set_wake = intc_irqpin_irq_set_wake;
irq_chip->flags = IRQCHIP_MASK_ON_SUSPEND;

- p->irq_domain = irq_domain_add_simple(dev->of_node, p->number_of_irqs,
- 0, &intc_irqpin_irq_domain_ops,
- p);
+ p->irq_domain = irq_domain_add_simple(dev->of_node, nirqs, 0,
+ &intc_irqpin_irq_domain_ops, p);
if (!p->irq_domain) {
ret = -ENXIO;
dev_err(dev, "cannot initialize irq domain\n");
@@ -546,7 +545,7 @@ static int intc_irqpin_probe(struct platform_device *pdev)
}
} else {
/* request interrupts one by one */
- for (k = 0; k < p->number_of_irqs; k++) {
+ for (k = 0; k < nirqs; k++) {
if (devm_request_irq(dev, p->irq[k].requested_irq,
intc_irqpin_irq_handler, 0, name,
&p->irq[k])) {
@@ -558,10 +557,10 @@ static int intc_irqpin_probe(struct platform_device *pdev)
}

/* unmask all interrupts on prio level */
- for (k = 0; k < p->number_of_irqs; k++)
+ for (k = 0; k < nirqs; k++)
intc_irqpin_mask_unmask_prio(p, k, 0);

- dev_info(dev, "driving %d irqs\n", p->number_of_irqs);
+ dev_info(dev, "driving %d irqs\n", nirqs);

return 0;

--
1.9.1

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