diff mbox series

[4/5] pwm: stm32-lp: Use regmap_clear_bits and regmap_set_bits where applicable

Message ID 20221115111347.3705732-5-u.kleine-koenig@pengutronix.de
State Accepted
Headers show
Series pwm: Use regmap_clear_bits and regmap_set_bits where applicable | expand

Commit Message

Uwe Kleine-König Nov. 15, 2022, 11:13 a.m. UTC
Found using coccinelle and the following semantic patch:

@@
expression map, reg, bits;
@@

- regmap_update_bits(map, reg, bits, bits)
+ regmap_set_bits(map, reg, bits)

@@
expression map, reg, bits;
@@

- regmap_update_bits(map, reg, bits, 0)
+ regmap_clear_bits(map, reg, bits)

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/pwm/pwm-stm32-lp.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Comments

Fabrice Gasnier Nov. 23, 2022, 10:23 a.m. UTC | #1
On 11/15/22 12:13, Uwe Kleine-König wrote:
> Found using coccinelle and the following semantic patch:
> 
> @@
> expression map, reg, bits;
> @@
> 
> - regmap_update_bits(map, reg, bits, bits)
> + regmap_set_bits(map, reg, bits)
> 
> @@
> expression map, reg, bits;
> @@
> 
> - regmap_update_bits(map, reg, bits, 0)
> + regmap_clear_bits(map, reg, bits)
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> ---
>  drivers/pwm/pwm-stm32-lp.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c
> index 3115abb3f52a..212bdc7d51ee 100644
> --- a/drivers/pwm/pwm-stm32-lp.c
> +++ b/drivers/pwm/pwm-stm32-lp.c
> @@ -140,9 +140,8 @@ static int stm32_pwm_lp_apply(struct pwm_chip *chip, struct pwm_device *pwm,
>  
>  	if (reenable) {
>  		/* Start LP timer in continuous mode */
> -		ret = regmap_update_bits(priv->regmap, STM32_LPTIM_CR,
> -					 STM32_LPTIM_CNTSTRT,
> -					 STM32_LPTIM_CNTSTRT);
> +		ret = regmap_set_bits(priv->regmap, STM32_LPTIM_CR,
> +				      STM32_LPTIM_CNTSTRT);

Hi Uwe,

One minor suggestion here: could fit into a single line.

You can add my:
Tested-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>

Best Regards,
Thanks
Fabrice

>  		if (ret) {
>  			regmap_write(priv->regmap, STM32_LPTIM_CR, 0);
>  			goto err;
Uwe Kleine-König Dec. 2, 2022, 5:57 p.m. UTC | #2
On Wed, Nov 23, 2022 at 11:23:14AM +0100, Fabrice Gasnier wrote:
> On 11/15/22 12:13, Uwe Kleine-König wrote:
> > Found using coccinelle and the following semantic patch:
> > 
> > @@
> > expression map, reg, bits;
> > @@
> > 
> > - regmap_update_bits(map, reg, bits, bits)
> > + regmap_set_bits(map, reg, bits)
> > 
> > @@
> > expression map, reg, bits;
> > @@
> > 
> > - regmap_update_bits(map, reg, bits, 0)
> > + regmap_clear_bits(map, reg, bits)
> > 
> > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> > ---
> >  drivers/pwm/pwm-stm32-lp.c | 5 ++---
> >  1 file changed, 2 insertions(+), 3 deletions(-)
> > 
> > diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c
> > index 3115abb3f52a..212bdc7d51ee 100644
> > --- a/drivers/pwm/pwm-stm32-lp.c
> > +++ b/drivers/pwm/pwm-stm32-lp.c
> > @@ -140,9 +140,8 @@ static int stm32_pwm_lp_apply(struct pwm_chip *chip, struct pwm_device *pwm,
> >  
> >  	if (reenable) {
> >  		/* Start LP timer in continuous mode */
> > -		ret = regmap_update_bits(priv->regmap, STM32_LPTIM_CR,
> > -					 STM32_LPTIM_CNTSTRT,
> > -					 STM32_LPTIM_CNTSTRT);
> > +		ret = regmap_set_bits(priv->regmap, STM32_LPTIM_CR,
> > +				      STM32_LPTIM_CNTSTRT);
> 
> Hi Uwe,
> 
> One minor suggestion here: could fit into a single line.

That would make the line 89 chars long (counting tag as usual as 8). Up
to now there is no line longer than 78 chars. So I'd not join the two
lines.

Best regards
Uwe
diff mbox series

Patch

diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c
index 3115abb3f52a..212bdc7d51ee 100644
--- a/drivers/pwm/pwm-stm32-lp.c
+++ b/drivers/pwm/pwm-stm32-lp.c
@@ -140,9 +140,8 @@  static int stm32_pwm_lp_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 
 	if (reenable) {
 		/* Start LP timer in continuous mode */
-		ret = regmap_update_bits(priv->regmap, STM32_LPTIM_CR,
-					 STM32_LPTIM_CNTSTRT,
-					 STM32_LPTIM_CNTSTRT);
+		ret = regmap_set_bits(priv->regmap, STM32_LPTIM_CR,
+				      STM32_LPTIM_CNTSTRT);
 		if (ret) {
 			regmap_write(priv->regmap, STM32_LPTIM_CR, 0);
 			goto err;