From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Date: Mon, 17 Feb 2025 14:16:13 +0000 (+0000)
Subject: iio: adc: ad7768-1: Switch to sparse friendly iio_device_claim/release_direct()
X-Git-Tag: v6.15-rc1~78^2~8^2~70
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e76750f50aaae66817ffc92417a0ac11c57dede6;p=thirdparty%2Fkernel%2Flinux.git

iio: adc: ad7768-1: Switch to sparse friendly iio_device_claim/release_direct()

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.

Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250217141630.897334-14-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c
index c2ba357b82d85..ea829c51e80b5 100644
--- a/drivers/iio/adc/ad7768-1.c
+++ b/drivers/iio/adc/ad7768-1.c
@@ -365,13 +365,12 @@ static int ad7768_read_raw(struct iio_dev *indio_dev,
 
 	switch (info) {
 	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 = ad7768_scan_direct(indio_dev);
 
-		iio_device_release_direct_mode(indio_dev);
+		iio_device_release_direct(indio_dev);
 		if (ret < 0)
 			return ret;
 		*val = ret;