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pwm: sun4i: Initialize variables before use

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GCC can't always determine that the duty, period and prescaler values
are initialized when returning from sun4i_pwm_calculate(), so help out a
little by initializing them to 0.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Thierry Reding
2020-01-20 15:22:37 +01:00
parent 0c73201c5c
commit 413c2a110d
1 changed files with 2 additions and 2 deletions
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drivers/pwm/pwm-sun4i.c
+2 -2
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@@ -234,9 +234,9 @@ static int sun4i_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
{ {
struct sun4i_pwm_chip *sun4i_pwm = to_sun4i_pwm_chip(chip); struct sun4i_pwm_chip *sun4i_pwm = to_sun4i_pwm_chip(chip);
struct pwm_state cstate; struct pwm_state cstate;
u32 ctrl, duty, period, val; u32 ctrl, duty = 0, period = 0, val;
int ret; int ret;
unsigned int delay_us, prescaler; unsigned int delay_us, prescaler = 0;
unsigned long now; unsigned long now;
bool bypass; bool bypass;