gpio: altera: Drop .mapped_irq from driver data

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@baylibre.com>
Link: https://lore.kernel.org/r/20250109090802.3763275-2-u.kleine-koenig@baylibre.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c
index 73e660c5e38a14b41984f622d465e0860ea50d76..17ab039c741314b909f461be7a192791d492c910 100644 (file)
--- a/drivers/gpio/gpio-altera.c
+++ b/drivers/gpio/gpio-altera.c
@@ -32,14 +32,12 @@
 *                        will be blocked until the current one completes.
 * @interrupt_trigger   : specifies the hardware configured IRQ trigger type
 *                        (rising, falling, both, high)
-* @mapped_irq          : kernel mapped irq number.
 */
 struct altera_gpio_chip {
        struct gpio_chip gc;
        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 +233,7 @@ 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 +270,8 @@ 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 +295,7 @@ 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);