Thread (18 messages) 18 messages, 3 authors, 2023-05-28

Re: [PATCH v5 2/8] iio: mb1232: relax return value check for IRQ get

From: Jonathan Cameron <jic23@kernel.org>
Date: 2023-05-20 15:16:49
Also in: linux-acpi, linux-gpio, linux-i2c, linux-iio, linux-mips, lkml

On Fri, 19 May 2023 14:01:23 +0300
Matti Vaittinen [off-list ref] 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>
quoted hunk ↗ jump to hunk
---
Revsion history:
v4 => v5:
 - drop unnecessary data->irqnr = -1 assignment

The first patch of the series changes the fwnode_irq_get() so this depends
on the first patch of the series and should not be applied alone.
---
 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 e70cac8240af..3ae226297a00 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) {
  
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