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authorGeert Uytterhoeven <geert+renesas@glider.be>2015-11-24 17:49:41 +0300
committerJason Cooper <jason@lakedaemon.net>2015-11-24 19:53:13 +0300
commit1affe5946f7293b3747bfe7ef25dc5cfe9869012 (patch)
treeaaa74ab2a76a29ac998f7a87e1e3d83e27e4439d /drivers/irqchip
parentf9551a9c083b8acc1db38e234a630655bae8e771 (diff)
downloadlinux-1affe5946f7293b3747bfe7ef25dc5cfe9869012.tar.xz
irqchip/renesas-intc-irqpin: Remove intc_irqpin_priv.number_of_irqs
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@glider.be> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/1448376581-9202-3-git-send-email-geert+renesas@glider.be Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-renesas-intc-irqpin.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index 7aefa500d210..7f6cf19aa6ac 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;
@@ -387,6 +386,7 @@ 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;
@@ -437,8 +437,8 @@ 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;
@@ -492,7 +492,7 @@ 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 */
@@ -501,7 +501,7 @@ 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;
@@ -528,9 +528,8 @@ 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");
@@ -548,7 +547,7 @@ 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])) {
@@ -560,10 +559,10 @@ 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;