From b235f8a39fc3ee09c804bf711c3039f92d867549 Mon Sep 17 00:00:00 2001 From: Alexander Sverdlin Date: Mon, 14 Jun 2021 01:30:41 +0200 Subject: pwm: ep93xx: Prepare clock before using it MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Use clk_prepare_enable()/clk_disable_unprepare() in preparation for switch to Common Clock Framework. Signed-off-by: Alexander Sverdlin Reviewed-by: Uwe Kleine-König Signed-off-by: Thierry Reding --- drivers/pwm/pwm-ep93xx.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers/pwm') diff --git a/drivers/pwm/pwm-ep93xx.c b/drivers/pwm/pwm-ep93xx.c index 3354b734f28f..70fa2957f9d3 100644 --- a/drivers/pwm/pwm-ep93xx.c +++ b/drivers/pwm/pwm-ep93xx.c @@ -68,7 +68,7 @@ static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, if (state->polarity != pwm->state.polarity) { if (enabled) { writew(0x0, ep93xx_pwm->base + EP93XX_PWMx_ENABLE); - clk_disable(ep93xx_pwm->clk); + clk_disable_unprepare(ep93xx_pwm->clk); enabled = false; } @@ -76,7 +76,7 @@ static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, * The clock needs to be enabled to access the PWM registers. * Polarity can only be changed when the PWM is disabled. */ - ret = clk_enable(ep93xx_pwm->clk); + ret = clk_prepare_enable(ep93xx_pwm->clk); if (ret) return ret; @@ -85,13 +85,13 @@ static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, else writew(0x0, ep93xx_pwm->base + EP93XX_PWMx_INVERT); - clk_disable(ep93xx_pwm->clk); + clk_disable_unprepare(ep93xx_pwm->clk); } if (!state->enabled) { if (enabled) { writew(0x0, ep93xx_pwm->base + EP93XX_PWMx_ENABLE); - clk_disable(ep93xx_pwm->clk); + clk_disable_unprepare(ep93xx_pwm->clk); } return 0; @@ -111,7 +111,7 @@ static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, * Configuration can be changed at any time. */ if (!pwm_is_enabled(pwm)) { - ret = clk_enable(ep93xx_pwm->clk); + ret = clk_prepare_enable(ep93xx_pwm->clk); if (ret) return ret; } @@ -142,14 +142,14 @@ static int ep93xx_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, } if (!pwm_is_enabled(pwm)) - clk_disable(ep93xx_pwm->clk); + clk_disable_unprepare(ep93xx_pwm->clk); if (ret) return ret; } if (!enabled) { - ret = clk_enable(ep93xx_pwm->clk); + ret = clk_prepare_enable(ep93xx_pwm->clk); if (ret) return ret; -- cgit