diff options
Diffstat (limited to 'drivers/pwm/pwm-rcar.c')
| -rw-r--r-- | drivers/pwm/pwm-rcar.c | 44 |
1 files changed, 4 insertions, 40 deletions
diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c index 652a937ef8b0..1e13fbb41fd1 100644 --- a/drivers/pwm/pwm-rcar.c +++ b/drivers/pwm/pwm-rcar.c @@ -139,39 +139,8 @@ static void rcar_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) pm_runtime_put(chip->dev); } -static int rcar_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, - int duty_ns, int period_ns) +static int rcar_pwm_enable(struct rcar_pwm_chip *rp) { - struct rcar_pwm_chip *rp = to_rcar_pwm_chip(chip); - int div, ret; - - div = rcar_pwm_get_clock_division(rp, period_ns); - if (div < 0) - return div; - - /* - * Let the core driver set pwm->period if disabled and duty_ns == 0. - * But, this driver should prevent to set the new duty_ns if current - * duty_cycle is not set - */ - if (!pwm_is_enabled(pwm) && !duty_ns && !pwm->state.duty_cycle) - return 0; - - rcar_pwm_update(rp, RCAR_PWMCR_SYNC, RCAR_PWMCR_SYNC, RCAR_PWMCR); - - ret = rcar_pwm_set_counter(rp, div, duty_ns, period_ns); - if (!ret) - rcar_pwm_set_clock_control(rp, div); - - /* The SYNC should be set to 0 even if rcar_pwm_set_counter failed */ - rcar_pwm_update(rp, RCAR_PWMCR_SYNC, 0, RCAR_PWMCR); - - return ret; -} - -static int rcar_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) -{ - struct rcar_pwm_chip *rp = to_rcar_pwm_chip(chip); u32 value; /* Don't enable the PWM device if CYC0 or PH0 is 0 */ @@ -185,10 +154,8 @@ static int rcar_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) return 0; } -static void rcar_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) +static void rcar_pwm_disable(struct rcar_pwm_chip *rp) { - struct rcar_pwm_chip *rp = to_rcar_pwm_chip(chip); - rcar_pwm_update(rp, RCAR_PWMCR_EN0, 0, RCAR_PWMCR); } @@ -205,7 +172,7 @@ static int rcar_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, return -ENOTSUPP; if (!state->enabled) { - rcar_pwm_disable(chip, pwm); + rcar_pwm_disable(rp); return 0; } @@ -223,7 +190,7 @@ static int rcar_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, rcar_pwm_update(rp, RCAR_PWMCR_SYNC, 0, RCAR_PWMCR); if (!ret && state->enabled) - ret = rcar_pwm_enable(chip, pwm); + ret = rcar_pwm_enable(rp); return ret; } @@ -231,9 +198,6 @@ static int rcar_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, static const struct pwm_ops rcar_pwm_ops = { .request = rcar_pwm_request, .free = rcar_pwm_free, - .config = rcar_pwm_config, - .enable = rcar_pwm_enable, - .disable = rcar_pwm_disable, .apply = rcar_pwm_apply, .owner = THIS_MODULE, }; |