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pwm: atmel-tcb: prepare clk before calling enable

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

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Boris BREZILLON 2013-06-07 18:26:42 +02:00 committed by Thierry Reding
parent 77f0b9d2ff
commit 8796f9c565
1 changed files with 2 additions and 2 deletions
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4
drivers/pwm/pwm-atmel-tcb.c
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@ -76,7 +76,7 @@ static int atmel_tcb_pwm_request(struct pwm_chip *chip,
if (!tcbpwm)
return -ENOMEM;
ret = clk_enable(tc->clk[group]);
ret = clk_prepare_enable(tc->clk[group]);
if (ret) {
devm_kfree(chip->dev, tcbpwm);
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_tc *tc = tcbpwmc->tc;
clk_disable(tc->clk[pwm->hwpwm / 2]);
clk_disable_unprepare(tc->clk[pwm->hwpwm / 2]);
tcbpwmc->pwms[pwm->hwpwm] = NULL;
devm_kfree(chip->dev, tcbpwm);
}