Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
authored by
Uwe Kleine-König
and committed by
Thierry Reding
fdaa6efc
8246b478
+6
-6
+6
-6
drivers/pwm/pwm-atmel-tcb.c
+6
-6
drivers/pwm/pwm-atmel-tcb.c
···
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struct pwm_device *pwm,
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enum pwm_polarity polarity)
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{
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-
struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);
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struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
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struct atmel_tcb_pwm_device *tcbpwm = tcbpwmc->pwms[pwm->hwpwm];
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tcbpwm->polarity = polarity;
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···
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return ret;
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}
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-
pwm_set_chip_data(pwm, tcbpwm);
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tcbpwm->polarity = PWM_POLARITY_NORMAL;
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tcbpwm->duty = 0;
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tcbpwm->period = 0;
···
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static void atmel_tcb_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
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{
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struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
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struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);
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struct atmel_tcb_pwm_device *tcbpwm = tcbpwmc->pwms[pwm->hwpwm];
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clk_disable_unprepare(tcbpwmc->clk);
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tcbpwmc->pwms[pwm->hwpwm] = NULL;
···
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static void atmel_tcb_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
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{
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struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
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struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);
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struct atmel_tcb_pwm_device *tcbpwm = tcbpwmc->pwms[pwm->hwpwm];
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unsigned cmr;
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enum pwm_polarity polarity = tcbpwm->polarity;
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···
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static int atmel_tcb_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
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{
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struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
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struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);
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struct atmel_tcb_pwm_device *tcbpwm = tcbpwmc->pwms[pwm->hwpwm];
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u32 cmr;
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enum pwm_polarity polarity = tcbpwm->polarity;
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···
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int duty_ns, int period_ns)
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{
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struct atmel_tcb_pwm_chip *tcbpwmc = to_tcb_chip(chip);
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struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);
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struct atmel_tcb_pwm_device *tcbpwm = tcbpwmc->pwms[pwm->hwpwm];
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struct atmel_tcb_pwm_device *atcbpwm = NULL;
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int i = 0;
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int slowclk = 0;