diff mbox series

[RFC,10/27] iio: adc: ad4130: Stop using iio_device_claim_direct_scoped()

Message ID 20250105172613.1204781-11-jic23@kernel.org (mailing list archive)
State New
Headers show
Series iio: improve handling of direct mode claim and release | expand

Commit Message

Jonathan Cameron Jan. 5, 2025, 5:25 p.m. UTC 
From: Jonathan Cameron <Jonathan.Cameron@huawei.com>

This complex cleanup.h use case of conditional guards has proved
to be more trouble that it is worth in terms of false positive compiler
warnings and hard to read code.

Move directly to the new claim/release_direct() that allow sparse
to check for unbalanced context.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/iio/adc/ad4130.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iio/adc/ad4130.c b/drivers/iio/adc/ad4130.c
index de32cc9d18c5..09012f33ff16 100644
--- a/drivers/iio/adc/ad4130.c
+++ b/drivers/iio/adc/ad4130.c
@@ -1060,13 +1060,11 @@  static int _ad4130_read_sample(struct iio_dev *indio_dev, unsigned int channel,
 static int ad4130_read_sample(struct iio_dev *indio_dev, unsigned int channel,
 			      int *val)
 {
-	iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
-		struct ad4130_state *st = iio_priv(indio_dev);
+	struct ad4130_state *st = iio_priv(indio_dev);
 
-		guard(mutex)(&st->lock);
-		return _ad4130_read_sample(indio_dev, channel, val);
-	}
-	unreachable();
+	guard(mutex)(&st->lock);
+
+	return _ad4130_read_sample(indio_dev, channel, val);
 }
 
 static int ad4130_read_raw(struct iio_dev *indio_dev,