[PATCH] gpio: altera: Drop .mapped_irq from driver data

[Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxx>]

struct altera_gpio_chip::mapped_irq is only used in the driver's probe
function. So it's enough if mapped_irq is a local variable, and can be
dropped from driver data.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxx>
---
 drivers/gpio/gpio-altera.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c
index 73e660c5e38a..4c52fa2d3568 100644
--- a/drivers/gpio/gpio-altera.c
+++ b/drivers/gpio/gpio-altera.c
@@ -39,7 +39,6 @@ struct altera_gpio_chip {
 	void __iomem *regs;
 	raw_spinlock_t gpio_lock;
 	int interrupt_trigger;
-	int mapped_irq;
 };
 
 static void altera_gpio_irq_unmask(struct irq_data *d)
@@ -235,6 +234,7 @@ static int altera_gpio_probe(struct platform_device *pdev)
 	int reg, ret;
 	struct altera_gpio_chip *altera_gc;
 	struct gpio_irq_chip *girq;
+	int mapped_irq;
 
 	altera_gc = devm_kzalloc(&pdev->dev, sizeof(*altera_gc), GFP_KERNEL);
 	if (!altera_gc)
@@ -271,8 +271,8 @@ static int altera_gpio_probe(struct platform_device *pdev)
 	if (IS_ERR(altera_gc->regs))
 		return dev_err_probe(dev, PTR_ERR(altera_gc->regs), "failed to ioremap memory resource\n");
 
-	altera_gc->mapped_irq = platform_get_irq_optional(pdev, 0);
-	if (altera_gc->mapped_irq < 0)
+	mapped_irq = platform_get_irq_optional(pdev, 0);
+	if (mapped_irq < 0)
 		goto skip_irq;
 
 	if (device_property_read_u32(dev, "altr,interrupt-type", &reg)) {
@@ -296,7 +296,7 @@ static int altera_gpio_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	girq->default_type = IRQ_TYPE_NONE;
 	girq->handler = handle_bad_irq;
-	girq->parents[0] = altera_gc->mapped_irq;
+	girq->parents[0] = mapped_irq;
 
 skip_irq:
 	ret = devm_gpiochip_add_data(dev, &altera_gc->gc, altera_gc);

base-commit: 7b4b9bf203da94fbeac75ed3116c84aa03e74578
-- 
2.45.2