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pwm: Use pwm_get/set_xxx() helpers where appropriate

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Use pwm_get/set_xxx() helpers instead of directly accessing the pwm->xxx
field. Doing that will ease adaptation of the PWM framework to support
atomic update.

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 2016-04-14 21:17:22 +02:00 committed by Thierry Reding
parent 459a25afe9
commit 4b58896f72
4 changed files with 5 additions and 4 deletions
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2
drivers/pwm/pwm-crc.c
View File

@ -75,7 +75,7 @@ static int crc_pwm_config(struct pwm_chip *c, struct pwm_device *pwm,
return -EINVAL;
}
if (pwm->period != period_ns) {
if (pwm_get_period(pwm) != period_ns) {
int clk_div;
/* changing the clk divisor, need to disable fisrt */

2
drivers/pwm/pwm-lpc18xx-sct.c
View File

@ -249,7 +249,7 @@ static int lpc18xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
LPC18XX_PWM_EVSTATEMSK(lpc18xx_data->duty_event),
LPC18XX_PWM_EVSTATEMSK_ALL);
if (pwm->polarity == PWM_POLARITY_NORMAL) {
if (pwm_get_polarity(pwm) == PWM_POLARITY_NORMAL) {
set_event = lpc18xx_pwm->period_event;
clear_event = lpc18xx_data->duty_event;
res_action = LPC18XX_PWM_RES_SET;

2
drivers/pwm/pwm-omap-dmtimer.c
View File

@ -192,7 +192,7 @@ static int pwm_omap_dmtimer_config(struct pwm_chip *chip,
load_value, load_value, match_value, match_value);
omap->pdata->set_pwm(omap->dm_timer,
pwm->polarity == PWM_POLARITY_INVERSED,
pwm_get_polarity(pwm) == PWM_POLARITY_INVERSED,
true,
PWM_OMAP_DMTIMER_TRIGGER_OVERFLOW_AND_COMPARE);

3
drivers/pwm/pwm-sun4i.c
View File

@ -354,7 +354,8 @@ static int sun4i_pwm_probe(struct platform_device *pdev)
val = sun4i_pwm_readl(pwm, PWM_CTRL_REG);
for (i = 0; i < pwm->chip.npwm; i++)
if (!(val & BIT_CH(PWM_ACT_STATE, i)))
pwm->chip.pwms[i].polarity = PWM_POLARITY_INVERSED;
pwm_set_polarity(&pwm->chip.pwms[i],
PWM_POLARITY_INVERSED);
clk_disable_unprepare(pwm->clk);
return 0;