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Message-Id: <1473085895-31711-2-git-send-email-bgolaszewski@baylibre.com>
Date: Mon, 5 Sep 2016 16:31:31 +0200
From: Bartosz Golaszewski <bgolaszewski@...libre.com>
To: Linus Walleij <linus.walleij@...aro.org>,
Alexandre Courbot <gnurou@...il.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Vignesh R <vigneshr@...com>, Yong Li <yong.b.li@...el.com>,
Geert Uytterhoeven <geert+renesas@...der.be>
Cc: linux-gpio <linux-gpio@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 1/5] 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@...libre.com>
---
drivers/gpio/gpio-pca953x.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 02f2a56..2312f8d 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -355,13 +355,13 @@ 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, offset = 0;
+ int ret, bank, offset = 0;
int bank_shift = fls((chip->gpio_chip.ngpio - 1) / BANK_SZ);
- int bank;
+ unsigned int bankmask, bankval;
switch (chip->chip_type) {
case PCA953X_TYPE:
@@ -374,15 +374,16 @@ static void pca953x_gpio_set_multiple(struct gpio_chip *gc,
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, offset << bank_shift, NBANK(chip), reg_val);
if (ret)
goto exit;
--
2.7.4
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