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regulator: core: simplify return value on suported_voltage
All the current clients of this API assume that 0 corresponds to a failure and non-zero to a pass therefore ignoring the need to handle a negative error code. This commit modifies the API to follow that standard since returning a negative (EINVAL) doesn't seem to provide enough value to justify the need to handle it. Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>
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1 changed files with 2 additions and 2 deletions
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@ -3002,7 +3002,7 @@ EXPORT_SYMBOL_GPL(regulator_get_linear_step);
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* @min_uV: Minimum required voltage in uV.
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* @max_uV: Maximum required voltage in uV.
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*
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* Returns a boolean or a negative error code.
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* Returns a boolean.
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*/
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int regulator_is_supported_voltage(struct regulator *regulator,
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int min_uV, int max_uV)
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@ -3026,7 +3026,7 @@ int regulator_is_supported_voltage(struct regulator *regulator,
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ret = regulator_count_voltages(regulator);
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if (ret < 0)
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return ret;
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return 0;
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voltages = ret;
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for (i = 0; i < voltages; i++) {
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