pwm: atmel-tcb: Drop duplicated tracking of per-channel data

Per-channel data is tracked using struct pwm_device::chip_data and
struct atmel_tcb_pwm_chip::pwms[]. Simplify by using the latter
consistently.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Uwe Kleine-König 2022-03-02 19:00:00 +01:00 committed by Thierry Reding
parent 8246b478a2
commit fdaa6efce9

View File

@ -72,7 +72,8 @@ static int atmel_tcb_pwm_set_polarity(struct pwm_chip *chip,
struct pwm_device *pwm,
enum pwm_polarity polarity)
{
struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);
struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
struct atmel_tcb_pwm_device *tcbpwm = tcbpwmc->pwms[pwm->hwpwm];
tcbpwm->polarity = polarity;
@ -97,7 +98,6 @@ static int atmel_tcb_pwm_request(struct pwm_chip *chip,
return ret;
}
pwm_set_chip_data(pwm, tcbpwm);
tcbpwm->polarity = PWM_POLARITY_NORMAL;
tcbpwm->duty = 0;
tcbpwm->period = 0;
@ -139,7 +139,7 @@ static int atmel_tcb_pwm_request(struct pwm_chip *chip,
static void atmel_tcb_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
{
struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);
struct atmel_tcb_pwm_device *tcbpwm = tcbpwmc->pwms[pwm->hwpwm];
clk_disable_unprepare(tcbpwmc->clk);
tcbpwmc->pwms[pwm->hwpwm] = NULL;
@ -149,7 +149,7 @@ static void atmel_tcb_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
static void atmel_tcb_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
{
struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);
struct atmel_tcb_pwm_device *tcbpwm = tcbpwmc->pwms[pwm->hwpwm];
unsigned cmr;
enum pwm_polarity polarity = tcbpwm->polarity;
@ -206,7 +206,7 @@ static void atmel_tcb_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
static int atmel_tcb_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
{
struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);
struct atmel_tcb_pwm_device *tcbpwm = tcbpwmc->pwms[pwm->hwpwm];
u32 cmr;
enum pwm_polarity polarity = tcbpwm->polarity;
@ -291,7 +291,7 @@ static int atmel_tcb_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
int duty_ns, int period_ns)
{
struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);
struct atmel_tcb_pwm_device *tcbpwm = tcbpwmc->pwms[pwm->hwpwm];
struct atmel_tcb_pwm_device *atcbpwm = NULL;
int i = 0;
int slowclk = 0;