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authorBartosz Golaszewski <bgolaszewski@baylibre.com>2020-09-28 16:34:37 +0200
committerBartosz Golaszewski <bgolaszewski@baylibre.com>2020-11-25 15:36:52 +0100
commit0c2c7e1323b44548c10f899df565e4c4154600f1 (patch)
tree9391e39c59a3c7ba6586f9d47e1763c78aeb1a3c /drivers/gpio
parent8e27c2aef8c321ce94c69f397f26d7647a1914d0 (diff)
gpio: exar: use a helper variable for &pdev->dev
It's more elegant to use a helper local variable to store the address of the underlying struct device than to dereference pdev everywhere. It also has the benefit of avoiding unnecessary line breaks. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-exar.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
index 752e8437ff80..db366d85b6b4 100644
--- a/drivers/gpio/gpio-exar.c
+++ b/drivers/gpio/gpio-exar.c
@@ -120,7 +120,8 @@ static int exar_direction_input(struct gpio_chip *chip, unsigned int offset)
static int gpio_exar_probe(struct platform_device *pdev)
{
- struct pci_dev *pcidev = to_pci_dev(pdev->dev.parent);
+ struct device *dev = &pdev->dev;
+ struct pci_dev *pcidev = to_pci_dev(dev->parent);
struct exar_gpio_chip *exar_gpio;
u32 first_pin, ngpios;
void __iomem *p;
@@ -134,16 +135,15 @@ static int gpio_exar_probe(struct platform_device *pdev)
if (!p)
return -ENOMEM;
- ret = device_property_read_u32(&pdev->dev, "exar,first-pin",
- &first_pin);
+ ret = device_property_read_u32(dev, "exar,first-pin", &first_pin);
if (ret)
return ret;
- ret = device_property_read_u32(&pdev->dev, "ngpios", &ngpios);
+ ret = device_property_read_u32(dev, "ngpios", &ngpios);
if (ret)
return ret;
- exar_gpio = devm_kzalloc(&pdev->dev, sizeof(*exar_gpio), GFP_KERNEL);
+ exar_gpio = devm_kzalloc(dev, sizeof(*exar_gpio), GFP_KERNEL);
if (!exar_gpio)
return -ENOMEM;
@@ -157,7 +157,7 @@ static int gpio_exar_probe(struct platform_device *pdev)
sprintf(exar_gpio->name, "exar_gpio%d", index);
exar_gpio->gpio_chip.label = exar_gpio->name;
- exar_gpio->gpio_chip.parent = &pdev->dev;
+ exar_gpio->gpio_chip.parent = dev;
exar_gpio->gpio_chip.direction_output = exar_direction_output;
exar_gpio->gpio_chip.direction_input = exar_direction_input;
exar_gpio->gpio_chip.get_direction = exar_get_direction;
@@ -169,8 +169,7 @@ static int gpio_exar_probe(struct platform_device *pdev)
exar_gpio->index = index;
exar_gpio->first_pin = first_pin;
- ret = devm_gpiochip_add_data(&pdev->dev,
- &exar_gpio->gpio_chip, exar_gpio);
+ ret = devm_gpiochip_add_data(dev, &exar_gpio->gpio_chip, exar_gpio);
if (ret)
goto err_destroy;