From: Alexander Sverdlin <alexander.sverdlin@gmail.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
Nikita Shubin <nikita.shubin@maquefel.me>,
linux-pwm@vger.kernel.org
Cc: "Alexander Sverdlin" <alexander.sverdlin@gmail.com>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Lee Jones" <lee.jones@linaro.org>,
linux-kernel@vger.kernel.org
Subject: [PATCH 7/7] pwm: ep93xx: Prepare clock before using it
Date: Mon, 14 Jun 2021 01:30:41 +0200 [thread overview]
Message-ID: <20210613233041.128961-8-alexander.sverdlin@gmail.com> (raw)
In-Reply-To: <20210613233041.128961-1-alexander.sverdlin@gmail.com>
Use clk_prepare_enable()/clk_disable_unprepare() in preparation for switch
to Common Clock Framework.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
---
drivers/pwm/pwm-ep93xx.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/pwm/pwm-ep93xx.c b/drivers/pwm/pwm-ep93xx.c
index 4ca70794ad96..8c0d4d69d9e6 100644
--- a/drivers/pwm/pwm-ep93xx.c
+++ b/drivers/pwm/pwm-ep93xx.c
@@ -74,7 +74,7 @@ static int ep93xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
* Configuration can be changed at any time.
*/
if (!pwm_is_enabled(pwm)) {
- ret = clk_enable(ep93xx_pwm->clk);
+ ret = clk_prepare_enable(ep93xx_pwm->clk);
if (ret)
return ret;
}
@@ -105,7 +105,7 @@ static int ep93xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
}
if (!pwm_is_enabled(pwm))
- clk_disable(ep93xx_pwm->clk);
+ clk_disable_unprepare(ep93xx_pwm->clk);
return ret;
}
@@ -120,7 +120,7 @@ static int ep93xx_pwm_polarity(struct pwm_chip *chip, struct pwm_device *pwm,
* The clock needs to be enabled to access the PWM registers.
* Polarity can only be changed when the PWM is disabled.
*/
- ret = clk_enable(ep93xx_pwm->clk);
+ ret = clk_prepare_enable(ep93xx_pwm->clk);
if (ret)
return ret;
@@ -129,7 +129,7 @@ static int ep93xx_pwm_polarity(struct pwm_chip *chip, struct pwm_device *pwm,
else
writew(0x0, ep93xx_pwm->base + EP93XX_PWMx_INVERT);
- clk_disable(ep93xx_pwm->clk);
+ clk_disable_unprepare(ep93xx_pwm->clk);
return 0;
}
@@ -139,7 +139,7 @@ static int ep93xx_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)
struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);
int ret;
- ret = clk_enable(ep93xx_pwm->clk);
+ ret = clk_prepare_enable(ep93xx_pwm->clk);
if (ret)
return ret;
@@ -153,7 +153,7 @@ static void ep93xx_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
struct ep93xx_pwm *ep93xx_pwm = to_ep93xx_pwm(chip);
writew(0x0, ep93xx_pwm->base + EP93XX_PWMx_ENABLE);
- clk_disable(ep93xx_pwm->clk);
+ clk_disable_unprepare(ep93xx_pwm->clk);
}
static const struct pwm_ops ep93xx_pwm_ops = {
--
2.32.0
next prev parent reply other threads:[~2021-06-13 23:32 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-13 23:30 [PATCH 0/7] Prepare EP93xx drivers for Common Clock Framework Alexander Sverdlin
2021-06-13 23:30 ` [PATCH 1/7] iio: ep93xx: Prepare clock before using it Alexander Sverdlin
2021-06-14 10:50 ` Jonathan Cameron
2021-06-14 10:59 ` Alexander Sverdlin
2021-08-02 7:30 ` Alexander Sverdlin
2021-08-08 13:58 ` Jonathan Cameron
2021-06-13 23:30 ` [PATCH 2/7] spi: spi-ep93xx: " Alexander Sverdlin
2021-06-14 10:34 ` Mark Brown
2021-06-13 23:30 ` [PATCH 3/7] Input: ep93xx_keypad: " Alexander Sverdlin
2021-06-14 21:55 ` Dmitry Torokhov
2021-06-15 7:46 ` Alexander Sverdlin
2021-06-20 3:23 ` Dmitry Torokhov
2021-08-02 7:28 ` Alexander Sverdlin
2021-09-13 21:29 ` Alexander Sverdlin
2021-10-12 1:43 ` Dmitry Torokhov
2021-10-12 7:44 ` Alexander Sverdlin
2021-06-13 23:30 ` [PATCH 4/7] video: ep93xx: " Alexander Sverdlin
2021-06-13 23:30 ` [PATCH 5/7] dmaengine: " Alexander Sverdlin
2021-06-13 23:30 ` [PATCH 6/7] ASoC: cirrus: i2s: " Alexander Sverdlin
2021-06-13 23:30 ` Alexander Sverdlin [this message]
2021-06-14 7:22 ` [PATCH 7/7] pwm: ep93xx: " Uwe Kleine-König
2021-06-14 7:30 ` Alexander Sverdlin
2021-09-13 21:46 ` Alexander Sverdlin
2021-09-14 7:58 ` Uwe Kleine-König
2021-09-14 10:15 ` Alexander Sverdlin
2021-09-14 10:19 ` Uwe Kleine-König
2021-06-14 7:15 ` [PATCH 0/7] Prepare EP93xx drivers for Common Clock Framework Uwe Kleine-König
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