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gpio: of: Don't return 0 on dt_gpio_count()
It's unusual to have error checking like (ret <= 0) in cases when counting GPIO resources. In case when it's mandatory we propagate the error (-ENOENT), otherwise we don't use the result. This makes consistent behaviour across all possible variants called in gpiod_count(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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1 changed files with 2 additions and 2 deletions
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@ -3122,10 +3122,10 @@ static int dt_gpio_count(struct device *dev, const char *con_id)
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gpio_suffixes[i]);
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ret = of_gpio_named_count(dev->of_node, propname);
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if (ret >= 0)
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if (ret > 0)
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break;
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}
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return ret;
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return ret ? ret : -ENOENT;
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}
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static int platform_gpio_count(struct device *dev, const char *con_id)
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