pinctrl: lynxpoint: Use platform_get_irq_optional() explicitly

There is no need to repeat functionality of platform_get_irq_optional()
in the driver. Replace it with explicit call to the helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/intel/pinctrl-lynxpoint.c b/drivers/pinctrl/intel/pinctrl-lynxpoint.c
index e928742..a45b8f2 100644 (file)
--- a/drivers/pinctrl/intel/pinctrl-lynxpoint.c
+++ b/drivers/pinctrl/intel/pinctrl-lynxpoint.c
@@ -794,11 +794,11 @@ static int lp_gpio_probe(struct platform_device *pdev)
        const struct intel_pinctrl_soc_data *soc;
        struct intel_pinctrl *lg;
        struct gpio_chip *gc;
-       struct resource *io_rc, *irq_rc;
        struct device *dev = &pdev->dev;
+       struct resource *io_rc;
        void __iomem *regs;
        unsigned int i;
-       int ret;
+       int irq, ret;
 
        soc = (const struct intel_pinctrl_soc_data *)device_get_match_data(dev);
        if (!soc)
@@ -870,8 +870,8 @@ static int lp_gpio_probe(struct platform_device *pdev)
        gc->parent = dev;
 
        /* set up interrupts  */
-       irq_rc = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-       if (irq_rc && irq_rc->start) {
+       irq = platform_get_irq_optional(pdev, 0);
+       if (irq > 0) {
                struct gpio_irq_chip *girq;
 
                girq = &gc->irq;
@@ -884,7 +884,7 @@ static int lp_gpio_probe(struct platform_device *pdev)
                                             GFP_KERNEL);
                if (!girq->parents)
                        return -ENOMEM;
-               girq->parents[0] = (unsigned int)irq_rc->start;
+               girq->parents[0] = irq;
                girq->default_type = IRQ_TYPE_NONE;
                girq->handler = handle_bad_irq;
        }