diff options
| author | Doug Brown <doug@schmorgal.com> | 2022-11-13 15:36:36 -0800 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2022-12-06 12:08:16 +0100 |
| commit | f84cfcb69e031b8e0201d42acc35ec66bb3c5427 (patch) | |
| tree | a165801d141e689b72ace20289bccc1cce938ba2 | |
| parent | c5dadb71dd8d8e78192759750c45bf3ea3a1afab (diff) | |
| download | linux-f84cfcb69e031b8e0201d42acc35ec66bb3c5427.tar.gz linux-f84cfcb69e031b8e0201d42acc35ec66bb3c5427.tar.xz | |
pwm: pxa: Remove clk enable/disable from pxa_pwm_config
Now that pxa_pwm_apply always enables the clock first, there is no need
for pxa_pwm_config to do any clock enabling/disabling.
Signed-off-by: Doug Brown <doug@schmorgal.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221113233639.24244-4-doug@schmorgal.com
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
| -rw-r--r-- | drivers/pwm/pwm-pxa.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/pwm/pwm-pxa.c b/drivers/pwm/pwm-pxa.c index 9ee9b41d62b8..cf4d22c91929 100644 --- a/drivers/pwm/pwm-pxa.c +++ b/drivers/pwm/pwm-pxa.c @@ -64,7 +64,6 @@ static int pxa_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, unsigned long long c; unsigned long period_cycles, prescale, pv, dc; unsigned long offset; - int rc; offset = pwm->hwpwm ? 0x10 : 0; @@ -86,18 +85,10 @@ static int pxa_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, else dc = mul_u64_u64_div_u64(pv + 1, duty_ns, period_ns); - /* NOTE: the clock to PWM has to be enabled first - * before writing to the registers - */ - rc = clk_prepare_enable(pc->clk); - if (rc < 0) - return rc; - writel(prescale, pc->mmio_base + offset + PWMCR); writel(dc, pc->mmio_base + offset + PWMDCR); writel(pv, pc->mmio_base + offset + PWMPCR); - clk_disable_unprepare(pc->clk); return 0; } |