[v8] fix fwnode_irq_get[_byname()] returnvalue

[PATCH v8 1/8] iio: mb1232: relax return value check for IRQ get

Posted by Matti Vaittinen 1 year, 1 month ago

fwnode_irq_get() was changed to not return 0 anymore.

Drop check for return value 0.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

---
Revsion history:
v5 =>:
- No changes
v4 => v5:
 - drop unnecessary data->irqnr = -1 assignment

The patch changing the fwnode_irq_get() got merged during 5.4:
https://lore.kernel.org/all/fb7241d3-d1d1-1c37-919b-488d6d007484@gmail.com/
This is a clean-up as agreed.
---
 drivers/iio/proximity/mb1232.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/proximity/mb1232.c b/drivers/iio/proximity/mb1232.c
index fb1073c8d9f7..614e65cb9d42 100644
--- a/drivers/iio/proximity/mb1232.c
+++ b/drivers/iio/proximity/mb1232.c
@@ -76,7 +76,7 @@ static s16 mb1232_read_distance(struct mb1232_data *data)
 		goto error_unlock;
 	}
 
-	if (data->irqnr >= 0) {
+	if (data->irqnr > 0) {
 		/* it cannot take more than 100 ms */
 		ret = wait_for_completion_killable_timeout(&data->ranging,
 									HZ/10);
@@ -212,10 +212,7 @@ static int mb1232_probe(struct i2c_client *client)
 	init_completion(&data->ranging);
 
 	data->irqnr = fwnode_irq_get(dev_fwnode(&client->dev), 0);
-	if (data->irqnr <= 0) {
-		/* usage of interrupt is optional */
-		data->irqnr = -1;
-	} else {
+	if (data->irqnr > 0) {
 		ret = devm_request_irq(dev, data->irqnr, mb1232_handle_irq,
 				IRQF_TRIGGER_FALLING, id->name, indio_dev);
 		if (ret < 0) {
-- 
2.40.1


-- 
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND

~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]

Re: [PATCH v8 1/8] iio: mb1232: relax return value check for IRQ get

Posted by Jonathan Cameron 1 year, 1 month ago

On Tue, 1 Aug 2023 15:02:10 +0300
Matti Vaittinen <mazziesaccount@gmail.com> wrote:

> fwnode_irq_get() was changed to not return 0 anymore.
> 
> Drop check for return value 0.
> 
> Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> 
Applied fiddling above so I don't ack and sign off on it because
that confuses me :)

Applied to the togreg branch and pushed out as testing for all the
normal reasons.

Thanks,

Jonathan



> ---
> Revsion history:
> v5 =>:
> - No changes
> v4 => v5:
>  - drop unnecessary data->irqnr = -1 assignment
> 
> The patch changing the fwnode_irq_get() got merged during 5.4:
> https://lore.kernel.org/all/fb7241d3-d1d1-1c37-919b-488d6d007484@gmail.com/
> This is a clean-up as agreed.
> ---
>  drivers/iio/proximity/mb1232.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/iio/proximity/mb1232.c b/drivers/iio/proximity/mb1232.c
> index fb1073c8d9f7..614e65cb9d42 100644
> --- a/drivers/iio/proximity/mb1232.c
> +++ b/drivers/iio/proximity/mb1232.c
> @@ -76,7 +76,7 @@ static s16 mb1232_read_distance(struct mb1232_data *data)
>  		goto error_unlock;
>  	}
>  
> -	if (data->irqnr >= 0) {
> +	if (data->irqnr > 0) {
>  		/* it cannot take more than 100 ms */
>  		ret = wait_for_completion_killable_timeout(&data->ranging,
>  									HZ/10);
> @@ -212,10 +212,7 @@ static int mb1232_probe(struct i2c_client *client)
>  	init_completion(&data->ranging);
>  
>  	data->irqnr = fwnode_irq_get(dev_fwnode(&client->dev), 0);
> -	if (data->irqnr <= 0) {
> -		/* usage of interrupt is optional */
> -		data->irqnr = -1;
> -	} else {
> +	if (data->irqnr > 0) {
>  		ret = devm_request_irq(dev, data->irqnr, mb1232_handle_irq,
>  				IRQF_TRIGGER_FALLING, id->name, indio_dev);
>  		if (ret < 0) {