diff mbox series

[06/29] iio: adc: ti-ads1015: Switch to sparse friendly iio_device_claim/release_direct()

Message ID 20250217141630.897334-7-jic23@kernel.org (mailing list archive)
State New
Headers show
Series IIO: ADCs: Sparse friendly claim of direct mode | expand

Commit Message

Jonathan Cameron Feb. 17, 2025, 2:16 p.m. UTC 
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>

These new functions allow sparse to find failures to release
direct mode reducing chances of bugs over the claim_direct_mode()
functions that are deprecated.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Marek Vasut <marex@denx.de>
---
 drivers/iio/adc/ti-ads1015.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
index a91ec18ddbec..729977b611ec 100644
--- a/drivers/iio/adc/ti-ads1015.c
+++ b/drivers/iio/adc/ti-ads1015.c
@@ -569,11 +569,10 @@  static int ads1015_read_raw(struct iio_dev *indio_dev,
 	guard(mutex)(&data->lock);
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
-		ret = iio_device_claim_direct_mode(indio_dev);
-		if (ret)
-			return ret;
+		if (!iio_device_claim_direct(indio_dev))
+			return -EBUSY;
 		ret = __ads1015_read_info_raw(data, chan, val);
-		iio_device_release_direct_mode(indio_dev);
+		iio_device_release_direct(indio_dev);
 		if (ret)
 			return ret;
 
@@ -786,16 +785,15 @@  static int ads1015_write_event_config(struct iio_dev *indio_dev,
 	guard(mutex)(&data->lock);
 
 	/* Prevent from enabling both buffer and event at a time */
-	ret = iio_device_claim_direct_mode(indio_dev);
-	if (ret)
-		return ret;
+	if (!iio_device_claim_direct(indio_dev))
+		return -EBUSY;
 
 	if (state)
 		ret = ads1015_enable_event_config(data, chan, comp_mode);
 	else
 		ret = ads1015_disable_event_config(data, chan, comp_mode);
 
-	iio_device_release_direct_mode(indio_dev);
+	iio_device_release_direct(indio_dev);
 	return ret;
 }