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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2021-11-08 14:46:26 +0100 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2022-02-01 08:34:19 +0100 |
| commit | 5f97f18feac9bd5a8163b108aee52d783114b36f (patch) | |
| tree | 570be52662ec6d93c63a9e4f7f42585f29000ac1 /drivers/pwm/pwm-meson.c | |
| parent | cb971fdb45921bda5b253b6916d8380faec8a8d8 (diff) | |
| download | linux-5f97f18feac9bd5a8163b108aee52d783114b36f.tar.bz2 | |
pwm: meson: Simplify duplicated per-channel tracking
The driver tracks per-channel data via struct pwm_device::chip_data and
struct meson_pwm::channels[]. The latter holds the actual data, the former
is only a pointer to the latter. So simplify by using struct
meson_pwm::channels[] consistently.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm/pwm-meson.c')
| -rw-r--r-- | drivers/pwm/pwm-meson.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 1fbe54a2abfe..908e314c7c00 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -141,12 +141,13 @@ static int meson_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) return err; } - return pwm_set_chip_data(pwm, channel); + return 0; } static void meson_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) { - struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); + struct meson_pwm *meson = to_meson_pwm(chip); + struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm]; clk_disable_unprepare(channel->clk); } @@ -154,7 +155,7 @@ static void meson_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm, const struct pwm_state *state) { - struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); + struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm]; unsigned int duty, period, pre_div, cnt, duty_cnt; unsigned long fin_freq; @@ -217,7 +218,7 @@ static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm, static void meson_pwm_enable(struct meson_pwm *meson, struct pwm_device *pwm) { - struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); + struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm]; struct meson_pwm_channel_data *channel_data; unsigned long flags; u32 value; @@ -260,8 +261,8 @@ static void meson_pwm_disable(struct meson_pwm *meson, struct pwm_device *pwm) static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *state) { - struct meson_pwm_channel *channel = pwm_get_chip_data(pwm); struct meson_pwm *meson = to_meson_pwm(chip); + struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm]; int err = 0; if (!state) |