diff options
Diffstat (limited to 'drivers/pwm/pwm-renesas-tpu.c')
| -rw-r--r-- | drivers/pwm/pwm-renesas-tpu.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/pwm/pwm-renesas-tpu.c b/drivers/pwm/pwm-renesas-tpu.c index d7311614c8..4239f2c3e8 100644 --- a/drivers/pwm/pwm-renesas-tpu.c +++ b/drivers/pwm/pwm-renesas-tpu.c @@ -85,6 +85,7 @@ struct tpu_device { void __iomem *base; struct clk *clk; + struct tpu_pwm_device tpd[TPU_CHANNEL_MAX]; }; #define to_tpu_device(c) container_of(c, struct tpu_device, chip) @@ -215,9 +216,7 @@ static int tpu_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) if (pwm->hwpwm >= TPU_CHANNEL_MAX) return -EINVAL; - tpd = kzalloc(sizeof(*tpd), GFP_KERNEL); - if (tpd == NULL) - return -ENOMEM; + tpd = &tpu->tpd[pwm->hwpwm]; tpd->tpu = tpu; tpd->channel = pwm->hwpwm; @@ -228,24 +227,22 @@ static int tpu_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) tpd->timer_on = false; - pwm_set_chip_data(pwm, tpd); - return 0; } static void tpu_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) { - struct tpu_pwm_device *tpd = pwm_get_chip_data(pwm); + struct tpu_device *tpu = to_tpu_device(chip); + struct tpu_pwm_device *tpd = &tpu->tpd[pwm->hwpwm]; tpu_pwm_timer_stop(tpd); - kfree(tpd); } static int tpu_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, u64 duty_ns, u64 period_ns, bool enabled) { - struct tpu_pwm_device *tpd = pwm_get_chip_data(pwm); struct tpu_device *tpu = to_tpu_device(chip); + struct tpu_pwm_device *tpd = &tpu->tpd[pwm->hwpwm]; unsigned int prescaler; bool duty_only = false; u32 clk_rate; @@ -353,7 +350,8 @@ static int tpu_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, static int tpu_pwm_set_polarity(struct pwm_chip *chip, struct pwm_device *pwm, enum pwm_polarity polarity) { - struct tpu_pwm_device *tpd = pwm_get_chip_data(pwm); + struct tpu_device *tpu = to_tpu_device(chip); + struct tpu_pwm_device *tpd = &tpu->tpd[pwm->hwpwm]; tpd->polarity = polarity; @@ -362,7 +360,8 @@ static int tpu_pwm_set_polarity(struct pwm_chip *chip, struct pwm_device *pwm, static int tpu_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) { - struct tpu_pwm_device *tpd = pwm_get_chip_data(pwm); + struct tpu_device *tpu = to_tpu_device(chip); + struct tpu_pwm_device *tpd = &tpu->tpd[pwm->hwpwm]; int ret; ret = tpu_pwm_timer_start(tpd); @@ -384,7 +383,8 @@ static int tpu_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) static void tpu_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) { - struct tpu_pwm_device *tpd = pwm_get_chip_data(pwm); + struct tpu_device *tpu = to_tpu_device(chip); + struct tpu_pwm_device *tpd = &tpu->tpd[pwm->hwpwm]; /* The timer must be running to modify the pin output configuration. */ tpu_pwm_timer_start(tpd); @@ -431,7 +431,6 @@ static const struct pwm_ops tpu_pwm_ops = { .request = tpu_pwm_request, .free = tpu_pwm_free, .apply = tpu_pwm_apply, - .owner = THIS_MODULE, }; /* ----------------------------------------------------------------------------- |