gpio: pca953x: coding style fixes

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@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index e36a9bf08fb129e7d4298a349f3db800f3fc5a84..5d059866d17acf4eb397f85adef7481fdde4cdcc 100644 (file)
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -362,25 +362,28 @@ 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 bank_mask, bank_val;
+       int bank_shift, bank;
        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);
-                       reg_val[bank] = (reg_val[bank] & ~bankmask) | bankval;
+       for (bank = 0; bank < NBANK(chip); bank++) {
+               bank_mask = mask[bank / sizeof(*mask)] >>
+                          ((bank % sizeof(*mask)) * 8);
+               if (bank_mask) {
+                       bank_val = bits[bank / sizeof(*bits)] >>
+                                 ((bank % sizeof(*bits)) * 8);
+                       reg_val[bank] = (reg_val[bank] & ~bank_mask) | bank_val;
                }
        }
+
        ret = i2c_smbus_write_i2c_block_data(chip->client,
                                             chip->regs->output << bank_shift,
                                             NBANK(chip), reg_val);