iio: adc: ti-adc12138: make use of iio_for_each_active_channel()

Use iio_for_each_active_channel() to iterate over active channels
accessing '.masklength' so it can be annotated as __private when there are
no more direct users of it.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240726-dev-iio-masklength-private3-v1-15-82913fc0fb87@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ti-adc12138.c b/drivers/iio/adc/ti-adc12138.c
index c0a72d7..a2cd8c4 100644 (file)
--- a/drivers/iio/adc/ti-adc12138.c
+++ b/drivers/iio/adc/ti-adc12138.c
@@ -344,8 +344,7 @@ static irqreturn_t adc12138_trigger_handler(int irq, void *p)
 
        mutex_lock(&adc->lock);
 
-       for_each_set_bit(scan_index, indio_dev->active_scan_mask,
-                        indio_dev->masklength) {
+       iio_for_each_active_channel(indio_dev, scan_index) {
                const struct iio_chan_spec *scan_chan =
                                &indio_dev->channels[scan_index];