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pwm: Make use of pwm_get_xxx() helpers where appropriate

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Use the pwm_get_xxx() helpers instead of directly accessing the fields
in struct pwm_device. This will allow us to smoothly move to the atomic
update approach.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Boris Brezillon 2015-07-01 10:21:50 +02:00 committed by Thierry Reding
parent 011e763148
commit 15da7b5001
5 changed files with 12 additions and 9 deletions
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2
drivers/pwm/pwm-atmel.c
View File

@ -114,7 +114,7 @@ static int atmel_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
u32 val;
int ret;
if (pwm_is_enabled(pwm) && (period_ns != pwm->period)) {
if (pwm_is_enabled(pwm) && (period_ns != pwm_get_period(pwm))) {
dev_err(chip->dev, "cannot change PWM period while enabled\n");
return -EBUSY;
}

3
drivers/pwm/pwm-bcm-kona.c
View File

@ -194,7 +194,8 @@ static int kona_pwmc_enable(struct pwm_chip *chip, struct pwm_device *pwm)
return ret;
}
ret = kona_pwmc_config(chip, pwm, pwm->duty_cycle, pwm->period);
ret = kona_pwmc_config(chip, pwm, pwm_get_duty_cycle(pwm),
pwm_get_period(pwm));
if (ret < 0) {
clk_disable_unprepare(kp->clk);
return ret;

3
drivers/pwm/pwm-imx.c
View File

@ -129,7 +129,8 @@ static int imx_pwm_config_v2(struct pwm_chip *chip,
sr = readl(imx->mmio_base + MX3_PWMSR);
fifoav = sr & MX3_PWMSR_FIFOAV_MASK;
if (fifoav == MX3_PWMSR_FIFOAV_4WORDS) {
period_ms = DIV_ROUND_UP(pwm->period, NSEC_PER_MSEC);
period_ms = DIV_ROUND_UP(pwm_get_period(pwm),
NSEC_PER_MSEC);
msleep(period_ms);
sr = readl(imx->mmio_base + MX3_PWMSR);

2
drivers/pwm/pwm-rockchip.c
View File

@ -83,7 +83,7 @@ static void rockchip_pwm_set_enable_v2(struct pwm_chip *chip,
PWM_CONTINUOUS;
u32 val;
if (pwm->polarity == PWM_POLARITY_INVERSED)
if (pwm_get_polarity(pwm) == PWM_POLARITY_INVERSED)
enable_conf |= PWM_DUTY_NEGATIVE | PWM_INACTIVE_POSITIVE;
else
enable_conf |= PWM_DUTY_POSITIVE | PWM_INACTIVE_NEGATIVE;

11
drivers/pwm/sysfs.c
View File

@ -46,7 +46,7 @@ static ssize_t pwm_period_show(struct device *child,
{
const struct pwm_device *pwm = child_to_pwm_device(child);
return sprintf(buf, "%u\n", pwm->period);
return sprintf(buf, "%u\n", pwm_get_period(pwm));
}
static ssize_t pwm_period_store(struct device *child,
@ -61,7 +61,7 @@ static ssize_t pwm_period_store(struct device *child,
if (ret)
return ret;
ret = pwm_config(pwm, pwm->duty_cycle, val);
ret = pwm_config(pwm, pwm_get_duty_cycle(pwm), val);
return ret ? : size;
}
@ -72,7 +72,7 @@ static ssize_t pwm_duty_cycle_show(struct device *child,
{
const struct pwm_device *pwm = child_to_pwm_device(child);
return sprintf(buf, "%u\n", pwm->duty_cycle);
return sprintf(buf, "%u\n", pwm_get_duty_cycle(pwm));
}
static ssize_t pwm_duty_cycle_store(struct device *child,
@ -87,7 +87,7 @@ static ssize_t pwm_duty_cycle_store(struct device *child,
if (ret)
return ret;
ret = pwm_config(pwm, val, pwm->period);
ret = pwm_config(pwm, val, pwm_get_period(pwm));
return ret ? : size;
}
@ -134,7 +134,8 @@ static ssize_t pwm_polarity_show(struct device *child,
{
const struct pwm_device *pwm = child_to_pwm_device(child);
return sprintf(buf, "%s\n", pwm->polarity ? "inversed" : "normal");
return sprintf(buf, "%s\n",
pwm_get_polarity(pwm) ? "inversed" : "normal");
}
static ssize_t pwm_polarity_store(struct device *child,