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>
- return pwm_set_chip_data(pwm, channel);
}
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);
}
static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm,
const struct pwm_state *state)
{
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;
unsigned int duty, period, pre_div, cnt, duty_cnt;
unsigned long fin_freq;
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;
unsigned long flags;
u32 value;
struct meson_pwm_channel_data *channel_data;
unsigned long flags;
u32 value;
static int meson_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
const struct pwm_state *state)
{
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 *meson = to_meson_pwm(chip);
+ struct meson_pwm_channel *channel = &meson->channels[pwm->hwpwm];