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Commit 8796f9c5 authored by Boris Brezillon's avatar Boris Brezillon Committed by Thierry Reding
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pwm: atmel-tcb: prepare clk before calling enable 



Replace clk_enable/disable with clk_prepare_enable/disable_unprepare to
avoid common clk framework warnings.

Signed-off-by: default avatarBoris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent 77f0b9d2

drivers/pwm/pwm-atmel-tcb.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -76,7 +76,7 @@ static int atmel_tcb_pwm_request(struct pwm_chip *chip, 
	if (!tcbpwm)

	if (!tcbpwm)

		return -ENOMEM;

		return -ENOMEM;





	ret = clk_enable(tc->clk[group]);

	ret = clk_prepare_enable(tc->clk[group]);

	if (ret) {

	if (ret) {

		devm_kfree(chip->dev, tcbpwm);

		devm_kfree(chip->dev, tcbpwm);

		return ret;

		return ret;
@@ -124,7 +124,7 @@ static void atmel_tcb_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) 
	struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);

	struct atmel_tcb_pwm_device *tcbpwm = pwm_get_chip_data(pwm);

	struct atmel_tc *tc = tcbpwmc->tc;

	struct atmel_tc *tc = tcbpwmc->tc;





	clk_disable(tc->clk[pwm->hwpwm / 2]);

	clk_disable_unprepare(tc->clk[pwm->hwpwm / 2]);

	tcbpwmc->pwms[pwm->hwpwm] = NULL;

	tcbpwmc->pwms[pwm->hwpwm] = NULL;

	devm_kfree(chip->dev, tcbpwm);

	devm_kfree(chip->dev, tcbpwm);

}

}