gpio: pca953x: Utilise temporary variable for struct gpio_chip

We have a temporary variable to keep pointer to struct gpio_chip.
Utilise it where it makes sense.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 4aa15128c91fa7b25557550e3000b923371611f4..fe113c74b7b203275ca236b36ede4662060053ca 100644 (file)
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -680,9 +680,7 @@ static int pca953x_gpio_set_config(struct gpio_chip *gc, unsigned int offset,
 
 static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios)
 {
-       struct gpio_chip *gc;
-
-       gc = &chip->gpio_chip;
+       struct gpio_chip *gc = &chip->gpio_chip;
 
        gc->direction_input  = pca953x_gpio_direction_input;
        gc->direction_output = pca953x_gpio_direction_output;
@@ -915,6 +913,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, int irq_base)
        struct device *dev = &client->dev;
        DECLARE_BITMAP(reg_direction, MAX_LINE);
        DECLARE_BITMAP(irq_stat, MAX_LINE);
+       struct gpio_chip *gc = &chip->gpio_chip;
        struct gpio_irq_chip *girq;
        int ret;
 
@@ -943,7 +942,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, int irq_base)
         * this purpose.
         */
        pca953x_read_regs(chip, chip->regs->direction, reg_direction);
-       bitmap_and(chip->irq_stat, irq_stat, reg_direction, chip->gpio_chip.ngpio);
+       bitmap_and(chip->irq_stat, irq_stat, reg_direction, gc->ngpio);
        mutex_init(&chip->irq_lock);
 
        girq = &chip->gpio_chip.irq;