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: Boris BREZILLON <b.brezillon@overkiz.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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1 changed files with 2 additions and 2 deletions
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@ -76,7 +76,7 @@ static int atmel_tcb_pwm_request(struct pwm_chip *chip,
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if (!tcbpwm)
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if (!tcbpwm)
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return -ENOMEM;
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return -ENOMEM;
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ret = clk_enable(tc->clk[group]);
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ret = clk_prepare_enable(tc->clk[group]);
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if (ret) {
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if (ret) {
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devm_kfree(chip->dev, tcbpwm);
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devm_kfree(chip->dev, tcbpwm);
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return ret;
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return ret;
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@ -124,7 +124,7 @@ static void atmel_tcb_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
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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 = pwm_get_chip_data(pwm);
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struct atmel_tc *tc = tcbpwmc->tc;
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struct atmel_tc *tc = tcbpwmc->tc;
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clk_disable(tc->clk[pwm->hwpwm / 2]);
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clk_disable_unprepare(tc->clk[pwm->hwpwm / 2]);
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tcbpwmc->pwms[pwm->hwpwm] = NULL;
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tcbpwmc->pwms[pwm->hwpwm] = NULL;
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devm_kfree(chip->dev, tcbpwm);
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devm_kfree(chip->dev, tcbpwm);
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}
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}
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