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regulator: pwm: Fix handling of missing init voltage

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Since priv->init_voltage is an unsigned integer it can never be
negative.  So the current code fails to detect a missing
'regulator-init-microvolt' property and instead misconfigures the
PWM device.  Fix this by making the relevant members of
'struct pwm_regulator_info' signed integers.

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
This commit is contained in:
Mark Kettenis 2017-05-13 20:17:05 +02:00 committed by Simon Glass
parent d1bf69d822
commit c40d48bbbc
1 changed files with 4 additions and 4 deletions
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8
drivers/power/regulator/pwm_regulator.c
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@ -32,13 +32,13 @@ struct pwm_regulator_info {
bool polarity;
struct udevice *pwm;
/* initialize voltage of regulator */
unsigned int init_voltage;
int init_voltage;
/* the maximum voltage of regulator */
unsigned int max_voltage;
int max_voltage;
/* the minimum voltage of regulator */
unsigned int min_voltage;
int min_voltage;
/* the current voltage of regulator */
unsigned int volt_uV;
int volt_uV;
};
static int pwm_regulator_enable(struct udevice *dev, bool enable)