gpio: eic-sprd: use a helper variable for &pdev->dev

Instead of dereferencing pdev everywhere, just store the address of the
underlying struct device in a local variable.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>

diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c
index 9b2f9ccf8d778419af8347beceb928f7464b363e..be7f2fa5aa7b600a2605084d832e23f24d501c84 100644 (file)
--- a/drivers/gpio/gpio-eic-sprd.c
+++ b/drivers/gpio/gpio-eic-sprd.c
@@ -591,18 +591,19 @@ static void sprd_eic_unregister_notifier(void *data)
 static int sprd_eic_probe(struct platform_device *pdev)
 {
        const struct sprd_eic_variant_data *pdata;
+       struct device *dev = &pdev->dev;
        struct gpio_irq_chip *irq;
        struct sprd_eic *sprd_eic;
        struct resource *res;
        int ret, i;
 
-       pdata = of_device_get_match_data(&pdev->dev);
+       pdata = of_device_get_match_data(dev);
        if (!pdata) {
-               dev_err(&pdev->dev, "No matching driver data found.\n");
+               dev_err(dev, "No matching driver data found.\n");
                return -EINVAL;
        }
 
-       sprd_eic = devm_kzalloc(&pdev->dev, sizeof(*sprd_eic), GFP_KERNEL);
+       sprd_eic = devm_kzalloc(dev, sizeof(*sprd_eic), GFP_KERNEL);
        if (!sprd_eic)
                return -ENOMEM;
 
@@ -624,7 +625,7 @@ static int sprd_eic_probe(struct platform_device *pdev)
                if (!res)
                        break;
 
-               sprd_eic->base[i] = devm_ioremap_resource(&pdev->dev, res);
+               sprd_eic->base[i] = devm_ioremap_resource(dev, res);
                if (IS_ERR(sprd_eic->base[i]))
                        return PTR_ERR(sprd_eic->base[i]);
        }
@@ -632,7 +633,7 @@ static int sprd_eic_probe(struct platform_device *pdev)
        sprd_eic->chip.label = sprd_eic_label_name[sprd_eic->type];
        sprd_eic->chip.ngpio = pdata->num_eics;
        sprd_eic->chip.base = -1;
-       sprd_eic->chip.parent = &pdev->dev;
+       sprd_eic->chip.parent = dev;
        sprd_eic->chip.direction_input = sprd_eic_direction_input;
        switch (sprd_eic->type) {
        case SPRD_EIC_DEBOUNCE:
@@ -659,9 +660,9 @@ static int sprd_eic_probe(struct platform_device *pdev)
        irq->num_parents = 1;
        irq->parents = &sprd_eic->irq;
 
-       ret = devm_gpiochip_add_data(&pdev->dev, &sprd_eic->chip, sprd_eic);
+       ret = devm_gpiochip_add_data(dev, &sprd_eic->chip, sprd_eic);
        if (ret < 0) {
-               dev_err(&pdev->dev, "Could not register gpiochip %d.\n", ret);
+               dev_err(dev, "Could not register gpiochip %d.\n", ret);
                return ret;
        }
 
@@ -669,11 +670,10 @@ static int sprd_eic_probe(struct platform_device *pdev)
        ret = atomic_notifier_chain_register(&sprd_eic_irq_notifier,
                                             &sprd_eic->irq_nb);
        if (ret)
-               return dev_err_probe(&pdev->dev, ret,
+               return dev_err_probe(dev, ret,
                                     "Failed to register with the interrupt notifier");
 
-       return devm_add_action_or_reset(&pdev->dev,
-                                       sprd_eic_unregister_notifier,
+       return devm_add_action_or_reset(dev, sprd_eic_unregister_notifier,
                                        &sprd_eic->irq_nb);
 }