Commit 5f97f18f authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Thierry Reding

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: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent cb971fdb
...@@ -141,12 +141,13 @@ static int meson_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) ...@@ -141,12 +141,13 @@ static int meson_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
return err; return err;
} }
return pwm_set_chip_data(pwm, channel); return 0;
} }
static void meson_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) 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); clk_disable_unprepare(channel->clk);
} }
...@@ -154,7 +155,7 @@ static void meson_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) ...@@ -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, static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm,
const struct pwm_state *state) 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 int duty, period, pre_div, cnt, duty_cnt;
unsigned long fin_freq; unsigned long fin_freq;
...@@ -217,7 +218,7 @@ static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm, ...@@ -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) 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; struct meson_pwm_channel_data *channel_data;
unsigned long flags; unsigned long flags;
u32 value; u32 value;
...@@ -260,8 +261,8 @@ static void meson_pwm_disable(struct meson_pwm *meson, struct pwm_device *pwm) ...@@ -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, static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
const struct pwm_state *state) 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 *meson = to_meson_pwm(chip);
struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm];
int err = 0; int err = 0;
if (!state) if (!state)
......
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