mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

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>
This commit is contained in:
Andy Shevchenko 2023-09-01 16:40:38 +03:00 committed by Bartosz Golaszewski
parent 6811886ac9
commit 9da0a75ea7
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpio/gpio-pca953x.c
View File

@ -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;