diff mbox series

[22/27] iio: dac: ad3552r-hs: Stop using iio_device_claim_direct_scoped()

Message ID 20250204200250.636721-23-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 Feb. 4, 2025, 8:02 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>
Cc: Angelo Dureghello <adureghello@baylibre.com>
---
 drivers/iio/dac/ad3552r-hs.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iio/dac/ad3552r-hs.c b/drivers/iio/dac/ad3552r-hs.c
index c1dae58c1975..cd8dabb60c55 100644
--- a/drivers/iio/dac/ad3552r-hs.c
+++ b/drivers/iio/dac/ad3552r-hs.c
@@ -129,16 +129,19 @@  static int ad3552r_hs_write_raw(struct iio_dev *indio_dev,
 				int val, int val2, long mask)
 {
 	struct ad3552r_hs_state *st = iio_priv(indio_dev);
+	int ret;
 
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
+		if (!iio_device_claim_direct(indio_dev))
+			return -EBUSY;
 		/* For RAW accesses, stay always in simple-spi. */
-		iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
-			return st->data->bus_reg_write(st->back,
-				    AD3552R_REG_ADDR_CH_DAC_16B(chan->channel),
-				    val, 2);
-		}
-		unreachable();
+		ret = st->data->bus_reg_write(st->back,
+			AD3552R_REG_ADDR_CH_DAC_16B(chan->channel),
+			val, 2);
+
+		iio_device_release_direct(indio_dev);
+		return ret;
 	default:
 		return -EINVAL;
 	}