From: Boris Brezillon <boris.brezil...@free-electrons.com>

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.brezil...@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.red...@gmail.com>
CONFLICTS:
  This patch originally fixed up omap-dmtimer as well, which does not
  yet exist in the 4.4 kernel.
(cherry picked from commit 4b58896f72176b781816a9e14dcea5f755b19b5c)
Signed-off-by: California Sullivan <california.l.sulli...@intel.com>
---
 drivers/pwm/pwm-crc.c         | 2 +-
 drivers/pwm/pwm-lpc18xx-sct.c | 2 +-
 drivers/pwm/pwm-sun4i.c       | 3 ++-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/pwm/pwm-crc.c b/drivers/pwm/pwm-crc.c
index 7101c70..bd0ebd0 100644
--- a/drivers/pwm/pwm-crc.c
+++ b/drivers/pwm/pwm-crc.c
@@ -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 */
diff --git a/drivers/pwm/pwm-lpc18xx-sct.c b/drivers/pwm/pwm-lpc18xx-sct.c
index 9163085..52aba84 100644
--- a/drivers/pwm/pwm-lpc18xx-sct.c
+++ b/drivers/pwm/pwm-lpc18xx-sct.c
@@ -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;
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
index 67af9f6..03a99a5 100644
--- a/drivers/pwm/pwm-sun4i.c
+++ b/drivers/pwm/pwm-sun4i.c
@@ -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;
-- 
2.5.5

-- 
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