diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2022-07-21 12:31:24 +0200 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2022-07-29 13:40:45 +0200 |
| commit | 61180f68ad5b9058008e227d5f289934a963af1f (patch) | |
| tree | 2dc98a8fb39a9083cf0ecb393b3a421b6d1cc21e /drivers/pwm | |
| parent | 20550a61880fc55e68a0d290ad195b74729c0e7b (diff) | |
| download | linux-61180f68ad5b9058008e227d5f289934a963af1f.tar.bz2 | |
pwm: sifive: Fold pwm_sifive_enable() into its only caller
There is only a single caller of pwm_sifive_enable() which only enables
or disables the clk. Put this implementation directly into
pwm_sifive_apply() which allows further simplification in the next
change.
There is no change in behaviour.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Tested-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-sifive.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c index b7fc33b08d82..91cf90bd4083 100644 --- a/drivers/pwm/pwm-sifive.c +++ b/drivers/pwm/pwm-sifive.c @@ -124,24 +124,6 @@ static void pwm_sifive_get_state(struct pwm_chip *chip, struct pwm_device *pwm, state->polarity = PWM_POLARITY_INVERSED; } -static int pwm_sifive_enable(struct pwm_chip *chip, bool enable) -{ - struct pwm_sifive_ddata *ddata = pwm_sifive_chip_to_ddata(chip); - int ret; - - if (enable) { - ret = clk_enable(ddata->clk); - if (ret) { - dev_err(ddata->chip.dev, "Enable clk failed\n"); - return ret; - } - } else { - clk_disable(ddata->clk); - } - - return 0; -} - static int pwm_sifive_apply(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *state) { @@ -192,8 +174,14 @@ static int pwm_sifive_apply(struct pwm_chip *chip, struct pwm_device *pwm, writel(frac, ddata->regs + PWM_SIFIVE_PWMCMP(pwm->hwpwm)); - if (state->enabled != enabled) - pwm_sifive_enable(chip, state->enabled); + if (state->enabled != enabled) { + if (state->enabled) { + if (clk_enable(ddata->clk)) + dev_err(ddata->chip.dev, "Enable clk failed\n"); + } else { + clk_disable(ddata->clk); + } + } exit: clk_disable(ddata->clk); |