pwm: sun4i: Initialize variables before use

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

View File

@ -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 pwm_state cstate;
u32 ctrl, duty, period, val;
u32 ctrl, duty = 0, period = 0, val;
int ret;
unsigned int delay_us, prescaler;
unsigned int delay_us, prescaler = 0;
unsigned long now;
bool bypass;