iio: adc: ti-ads1100: Switch to sparse friendly iio_device_claim/release_direct()
authorJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 9 Mar 2025 16:58:15 +0000 (16:58 +0000)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Tue, 22 Apr 2025 18:09:55 +0000 (19:09 +0100)
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.

Cc: Mike Looijmans <mike.looijmans@topic.nl>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250309165819.1346684-5-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/adc/ti-ads1100.c

index 0519f8afb03322243e29f81d9a6589b76af5df76..b0790e300b18f7edd697ae515439b2150a73fe13 100644 (file)
@@ -223,12 +223,11 @@ static int ads1100_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 = ads1100_get_adc_result(data, chan->address, val);
-               iio_device_release_direct_mode(indio_dev);
+               iio_device_release_direct(indio_dev);
                if (ret < 0)
                        return ret;