path: root/drivers/pwm
diff options
authorHien Dang <hien.dang.eb@renesas.com>2018-03-13 08:18:17 (GMT)
committerThierry Reding <thierry.reding@gmail.com>2018-03-27 23:26:15 (GMT)
commitf2e6142cdc10b1b7edea8d65b07293f152e4d110 (patch)
tree19a3b4396e782441b97b9c9534669e29f306b90d /drivers/pwm
parentaa7c49328bd84cda3c4674b70eb10db0a94f89ab (diff)
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 <hien.dang.eb@renesas.com> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c
index 0fcf94f..f4d8767 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,

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