[RESEND 11/11] pwm: sti: Take the opportunity to conduct a little house keeping

Lee Jones
2016-03-02T15:35:41Z

This includes fixing some Coding Style issues and re-ordering/
simplifying a little code.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
drivers/pwm/pwm-sti.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/drivers/pwm/pwm-sti.c b/drivers/pwm/pwm-sti.c
index 93cf20e..93e3abf 100644
--- a/drivers/pwm/pwm-sti.c
+++ b/drivers/pwm/pwm-sti.c
@@ -144,13 +144,13 @@ static int sti_pwm_get_prescale(struct sti_pwm_chip *pc, unsigned long period,
val = NSEC_PER_SEC / clk_rate;
val *= cdata->max_pwm_cnt + 1;

- if (period % val) {
+ if (period % val)
return -EINVAL;
- } else {
- ps = period / val - 1;
- if (ps > cdata->max_prescale)
- return -EINVAL;
- }
+
+ ps = period / val - 1;
+ if (ps > cdata->max_prescale)
+ return -EINVAL;
+
*prescale = ps;

return 0;
@@ -166,7 +166,7 @@ static int sti_pwm_get_prescale(struct sti_pwm_chip *pc, unsigned long period,
* 256 values.
*/
static int sti_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
- int duty_ns, int period_ns)
+ int duty_ns, int period_ns)
{
struct sti_pwm_chip *pc = to_sti_pwmchip(chip);
struct sti_pwm_compat_data *cdata = pc->cdata;
@@ -212,7 +212,7 @@ static int sti_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,

ret =
regmap_field_write(pc->prescale_low,
- prescale & PWM_PRESCALE_LOW_MASK);
+ prescale & PWM_PRESCALE_LOW_MASK);
if (ret)
goto clk_dis;

@@ -506,7 +506,7 @@ static int sti_pwm_probe_dt(struct sti_pwm_chip *pc)
return PTR_ERR(pc->pwm_cpt_en);

pc->pwm_cpt_int_en = devm_regmap_field_alloc(dev, pc->regmap,
- reg_fields[PWM_CPT_INT_EN]);
+ reg_fields[PWM_CPT_INT_EN]);
if (IS_ERR(pc->pwm_cpt_int_en))
return PTR_ERR(pc->pwm_cpt_int_en);

@@ -570,10 +570,11 @@ static int sti_pwm_probe(struct platform_device *pdev)
* Setup PWM data with default values: some values could be replaced
* with specific ones provided from Device Tree.
*/
- cdata->reg_fields = &sti_pwm_regfields[0];
- cdata->max_prescale = 0xff;
- cdata->max_pwm_cnt = 255;
- cdata->pwm_num_chan = 1;
+
+ cdata->reg_fields = &sti_pwm_regfields[0];
+ cdata->max_prescale = 0xff;
+ cdata->max_pwm_cnt = 255;
+ cdata->pwm_num_chan = 1;
cdata->cpt_num_chan = 0;

pc->cdata = cdata;
--
1.9.1