gpio: xlp: use resource management for irqs

Use the resource managed variant of irq_alloc_descs() and remove the
code manually freeing allocated interrupt descriptors.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-xlp.c b/drivers/gpio/gpio-xlp.c
index 4620d05..7cc82cf 100644 (file)
--- a/drivers/gpio/gpio-xlp.c
+++ b/drivers/gpio/gpio-xlp.c
@@ -404,7 +404,9 @@ static int xlp_gpio_probe(struct platform_device *pdev)
 
        /* XLP(MIPS) has fixed range for GPIO IRQs, Vulcan(ARM64) does not */
        if (soc_type != GPIO_VARIANT_VULCAN) {
-               irq_base = irq_alloc_descs(-1, XLP_GPIO_IRQ_BASE, gc->ngpio, 0);
+               irq_base = devm_irq_alloc_descs(&pdev->dev, -1,
+                                               XLP_GPIO_IRQ_BASE,
+                                               gc->ngpio, 0);
                if (irq_base < 0) {
                        dev_err(&pdev->dev, "Failed to allocate IRQ numbers\n");
                        return irq_base;
@@ -415,7 +417,7 @@ static int xlp_gpio_probe(struct platform_device *pdev)
 
        err = gpiochip_add_data(gc, priv);
        if (err < 0)
-               goto out_free_desc;
+               return err;
 
        err = gpiochip_irqchip_add(gc, &xlp_gpio_irq_chip, irq_base,
                                handle_level_irq, IRQ_TYPE_NONE);
@@ -433,8 +435,6 @@ static int xlp_gpio_probe(struct platform_device *pdev)
 
 out_gpio_remove:
        gpiochip_remove(gc);
-out_free_desc:
-       irq_free_descs(irq_base, gc->ngpio);
        return err;
 }