| From 431ddf5dddf1928a8fb902ebb18493f4289ab057 Mon Sep 17 00:00:00 2001 |
| From: Hien Dang <hien.dang.eb@renesas.com> |
| Date: Tue, 13 Mar 2018 17:18:17 +0900 |
| Subject: [PATCH 0802/1795] 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> |
| (cherry picked from commit f2e6142cdc10b1b7edea8d65b07293f152e4d110) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> |
| --- |
| 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, |
| -- |
| 2.19.0 |
| |
