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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>
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parent
6811886ac9
commit
9da0a75ea7
1 changed files with 3 additions and 4 deletions
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@ -680,9 +680,7 @@ static int pca953x_gpio_set_config(struct gpio_chip *gc, unsigned int offset,
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static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios)
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static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios)
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{
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{
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struct gpio_chip *gc;
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struct gpio_chip *gc = &chip->gpio_chip;
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gc = &chip->gpio_chip;
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gc->direction_input = pca953x_gpio_direction_input;
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gc->direction_input = pca953x_gpio_direction_input;
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gc->direction_output = pca953x_gpio_direction_output;
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gc->direction_output = pca953x_gpio_direction_output;
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@ -915,6 +913,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, int irq_base)
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struct device *dev = &client->dev;
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struct device *dev = &client->dev;
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DECLARE_BITMAP(reg_direction, MAX_LINE);
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DECLARE_BITMAP(reg_direction, MAX_LINE);
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DECLARE_BITMAP(irq_stat, MAX_LINE);
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DECLARE_BITMAP(irq_stat, MAX_LINE);
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struct gpio_chip *gc = &chip->gpio_chip;
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struct gpio_irq_chip *girq;
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struct gpio_irq_chip *girq;
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int ret;
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int ret;
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@ -943,7 +942,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, int irq_base)
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* this purpose.
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* this purpose.
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*/
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*/
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pca953x_read_regs(chip, chip->regs->direction, reg_direction);
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pca953x_read_regs(chip, chip->regs->direction, reg_direction);
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bitmap_and(chip->irq_stat, irq_stat, reg_direction, chip->gpio_chip.ngpio);
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bitmap_and(chip->irq_stat, irq_stat, reg_direction, gc->ngpio);
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mutex_init(&chip->irq_lock);
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mutex_init(&chip->irq_lock);
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girq = &chip->gpio_chip.irq;
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girq = &chip->gpio_chip.irq;
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