From f2e6142cdc10b1b7edea8d65b07293f152e4d110 Mon Sep 17 00:00:00 2001 From: Hien Dang Date: Tue, 13 Mar 2018 17:18:17 +0900 Subject: [PATCH] pwm: rcar: Use PM Runtime to control module clock Runtime PM API (pm_runtime_get_sync/pm_runtime_put) should be used to control module clock instead of clk_prepare_enable and clk_disable_unprepare. Signed-off-by: Hien Dang Signed-off-by: Yoshihiro Shimoda Reviewed-by: Geert Uytterhoeven Signed-off-by: Thierry Reding --- drivers/pwm/pwm-rcar.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c index 0fcf94ffad32..f4d8767f804e 100644 --- a/drivers/pwm/pwm-rcar.c +++ b/drivers/pwm/pwm-rcar.c @@ -134,16 +134,12 @@ static int rcar_pwm_set_counter(struct rcar_pwm_chip *rp, int div, int duty_ns, static int rcar_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) { - struct rcar_pwm_chip *rp = to_rcar_pwm_chip(chip); - - return clk_prepare_enable(rp->clk); + return pm_runtime_get_sync(chip->dev); } static void rcar_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) { - struct rcar_pwm_chip *rp = to_rcar_pwm_chip(chip); - - clk_disable_unprepare(rp->clk); + pm_runtime_put(chip->dev); } static int rcar_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,