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gpio: pca953x: Remove explicit comparison with 0

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There is no need to explicitly compare return code with 0.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Andy Shevchenko 2019-08-01 20:39:37 +03:00 committed by Bartosz Golaszewski
parent 63b484c2a6
commit 6dd6a2d27e
1 changed files with 8 additions and 8 deletions
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16
drivers/gpio/gpio-pca953x.c
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@ -850,12 +850,12 @@ static int device_pca95xx_init(struct pca953x_chip *chip, u32 invert)
ret = regcache_sync_region(chip->regmap, chip->regs->output,
chip->regs->output + NBANK(chip));
if (ret != 0)
if (ret)
goto out;
ret = regcache_sync_region(chip->regmap, chip->regs->direction,
chip->regs->direction + NBANK(chip));
if (ret != 0)
if (ret)
goto out;
/* set platform specific polarity inversion */
@ -1061,14 +1061,14 @@ static int pca953x_regcache_sync(struct device *dev)
*/
ret = regcache_sync_region(chip->regmap, chip->regs->direction,
chip->regs->direction + NBANK(chip));
if (ret != 0) {
if (ret) {
dev_err(dev, "Failed to sync GPIO dir registers: %d\n", ret);
return ret;
}
ret = regcache_sync_region(chip->regmap, chip->regs->output,
chip->regs->output + NBANK(chip));
if (ret != 0) {
if (ret) {
dev_err(dev, "Failed to sync GPIO out registers: %d\n", ret);
return ret;
}
@ -1077,7 +1077,7 @@ static int pca953x_regcache_sync(struct device *dev)
if (chip->driver_data & PCA_PCAL) {
ret = regcache_sync_region(chip->regmap, PCAL953X_IN_LATCH,
PCAL953X_IN_LATCH + NBANK(chip));
if (ret != 0) {
if (ret) {
dev_err(dev, "Failed to sync INT latch registers: %d\n",
ret);
return ret;
@ -1085,7 +1085,7 @@ static int pca953x_regcache_sync(struct device *dev)
ret = regcache_sync_region(chip->regmap, PCAL953X_INT_MASK,
PCAL953X_INT_MASK + NBANK(chip));
if (ret != 0) {
if (ret) {
dev_err(dev, "Failed to sync INT mask registers: %d\n",
ret);
return ret;
@ -1117,7 +1117,7 @@ static int pca953x_resume(struct device *dev)
if (!atomic_read(&chip->wakeup_path)) {
ret = regulator_enable(chip->regulator);
if (ret != 0) {
if (ret) {
dev_err(dev, "Failed to enable regulator: %d\n", ret);
return 0;
}
@ -1130,7 +1130,7 @@ static int pca953x_resume(struct device *dev)
return ret;
ret = regcache_sync(chip->regmap);
if (ret != 0) {
if (ret) {
dev_err(dev, "Failed to restore register map: %d\n", ret);
return ret;
}