diff mbox

[v3,5/5] gpio: pca953x: coding style fixes

Message ID 1473255472-16090-6-git-send-email-bgolaszewski@baylibre.com
State Superseded
Headers show

Commit Message

Bartosz Golaszewski Sept. 7, 2016, 1:37 p.m. UTC 
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>

---
 drivers/gpio/gpio-pca953x.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

-- 
2.7.4

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diff mbox

Patch

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index b08ed52..bbec5d7 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -360,25 +360,26 @@  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);
 	u8 reg_val[MAX_BANK];
-	int ret;
+	int ret, bank;
 	int bank_shift = fls((chip->gpio_chip.ngpio - 1) / BANK_SZ);
-	int bank;
+	unsigned int bankmask, bankval;
 
 	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);