Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1476509
| From | Bartosz Golaszewski <bgolaszewski@baylibre.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/5] gpio: pca953x: coding style fixes |
| Date | 2016-09-05 16:40 +0200 |
| Message-ID | <se3e2-50e-25@gated-at.bofh.it> (permalink) |
| References | <se3e1-50e-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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(-)
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
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 0/5] gpio: pca953x: code refactoring Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-09-05 16:40 +0200
[PATCH 4/5] gpio: pca953x: remove an unused variable Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-09-05 16:40 +0200
[PATCH 5/5] gpio: pca953x: refactor pca953x_read_regs() Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-09-05 16:40 +0200
[PATCH 1/5] gpio: pca953x: coding style fixes Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-09-05 16:40 +0200
Re: [PATCH 1/5] gpio: pca953x: coding style fixes Linus Walleij <linus.walleij@linaro.org> - 2016-09-08 00:00 +0200
Re: [PATCH 1/5] gpio: pca953x: coding style fixes Linus Walleij <linus.walleij@linaro.org> - 2016-09-08 01:20 +0200
[PATCH 3/5] gpio: pca953x: refactor pca953x_write_regs() Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-09-05 16:40 +0200
[PATCH 2/5] gpio: pca953x: code shrink Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2016-09-05 16:40 +0200
Re: [PATCH 2/5] gpio: pca953x: code shrink Geert Uytterhoeven <geert@linux-m68k.org> - 2016-09-05 16:50 +0200
Re: [PATCH 2/5] gpio: pca953x: code shrink Linus Walleij <linus.walleij@linaro.org> - 2016-09-08 00:10 +0200
Re: [PATCH 0/5] gpio: pca953x: code refactoring Linus Walleij <linus.walleij@linaro.org> - 2016-09-08 00:10 +0200
csiph-web