diff options
| author | Doug Brown <doug@schmorgal.com> | 2022-12-02 19:35:22 +0100 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2022-12-06 12:46:14 +0100 |
| commit | 939d002b7501128640aaeffe175d6331dcce2ca6 (patch) | |
| tree | 85402cc5137f6c58b125ad757b0b89cbf9fa26bf /drivers/pwm | |
| parent | 152f2d1def5e4b974947877126ff292a68a8c521 (diff) | |
| download | linux-939d002b7501128640aaeffe175d6331dcce2ca6.tar.gz | |
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>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
| -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; } |