[PATCH v4 5/5] gpio: pca953x: coding style fixes
From: Bartosz Golaszewski
Date: Wed Sep 07 2016 - 10:50:00 EST
pca953x_gpio_set_multiple() has some coding style issues that make it
harder to read. Tweak the code a bit.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/gpio/gpio-pca953x.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index b08ed52..079c311 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -360,25 +360,27 @@ exit:
}
static void pca953x_gpio_set_multiple(struct gpio_chip *gc,
- unsigned long *mask, unsigned long *bits)
+ unsigned long *mask, unsigned long *bits)
{
struct pca953x_chip *chip = gpiochip_get_data(gc);
+ unsigned int bankmask, bankval;
+ int bank_shift, bank, ret;
u8 reg_val[MAX_BANK];
- int ret;
- int bank_shift = fls((chip->gpio_chip.ngpio - 1) / BANK_SZ);
- int bank;
+
+ bank_shift = fls((chip->gpio_chip.ngpio - 1) / BANK_SZ);
memcpy(reg_val, chip->reg_output, NBANK(chip));
mutex_lock(&chip->i2c_lock);
- for(bank=0; bank<NBANK(chip); bank++) {
- unsigned bankmask = mask[bank / sizeof(*mask)] >>
- ((bank % sizeof(*mask)) * 8);
- if(bankmask) {
- unsigned bankval = bits[bank / sizeof(*bits)] >>
- ((bank % sizeof(*bits)) * 8);
+ for (bank = 0; bank < NBANK(chip); bank++) {
+ bankmask = mask[bank / sizeof(*mask)] >>
+ ((bank % sizeof(*mask)) * 8);
+ if (bankmask) {
+ bankval = bits[bank / sizeof(*bits)] >>
+ ((bank % sizeof(*bits)) * 8);
reg_val[bank] = (reg_val[bank] & ~bankmask) | bankval;
}
}
+
ret = i2c_smbus_write_i2c_block_data(chip->client,
chip->offset->output << bank_shift,
NBANK(chip), reg_val);
--
2.7.4