diff options
| author | Paul Cercueil <paul@crapouillou.net> | 2022-10-24 23:52:13 +0300 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2022-11-29 15:06:47 +0300 |
| commit | 7d9199995412fd30ea79e24d6c29f04a9b5d49ee (patch) | |
| tree | 02a740cfdd8eddebb7bae5b65b75540a2be3d951 /drivers/pwm | |
| parent | 69ba53dac3b16a3b0aa65e7817901e67bc554b32 (diff) | |
| download | linux-7d9199995412fd30ea79e24d6c29f04a9b5d49ee.tar.xz | |
pwm: jz4740: Use regmap_{set,clear}_bits
Simplify a bit the code by using regmap_set_bits() and
regmap_clear_bits() instead of regmap_update_bits() when possible.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-jz4740.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c index 1a1a651c2cce..3b7067f6cd0d 100644 --- a/drivers/pwm/pwm-jz4740.c +++ b/drivers/pwm/pwm-jz4740.c @@ -88,8 +88,7 @@ static int jz4740_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) struct jz4740_pwm_chip *jz = to_jz4740(chip); /* Enable PWM output */ - regmap_update_bits(jz->map, TCU_REG_TCSRc(pwm->hwpwm), - TCU_TCSR_PWM_EN, TCU_TCSR_PWM_EN); + regmap_set_bits(jz->map, TCU_REG_TCSRc(pwm->hwpwm), TCU_TCSR_PWM_EN); /* Start counter */ regmap_write(jz->map, TCU_REG_TESR, BIT(pwm->hwpwm)); @@ -113,8 +112,7 @@ static void jz4740_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) * In TCU2 mode (channel 1/2 on JZ4750+), this must be done before the * counter is stopped, while in TCU1 mode the order does not matter. */ - regmap_update_bits(jz->map, TCU_REG_TCSRc(pwm->hwpwm), - TCU_TCSR_PWM_EN, 0); + regmap_clear_bits(jz->map, TCU_REG_TCSRc(pwm->hwpwm), TCU_TCSR_PWM_EN); /* Stop counter */ regmap_write(jz->map, TCU_REG_TECR, BIT(pwm->hwpwm)); @@ -184,8 +182,8 @@ static int jz4740_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, regmap_write(jz4740->map, TCU_REG_TDFRc(pwm->hwpwm), period); /* Set abrupt shutdown */ - regmap_update_bits(jz4740->map, TCU_REG_TCSRc(pwm->hwpwm), - TCU_TCSR_PWM_SD, TCU_TCSR_PWM_SD); + regmap_set_bits(jz4740->map, TCU_REG_TCSRc(pwm->hwpwm), + TCU_TCSR_PWM_SD); /* * Set polarity. |