iio: imu: kmx61: 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/20240718-dev-iio-masklength-private2-v1-11-8e12cd042906@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c
index d37eca5ef761e3bfd56c7ecf26061281c2233b95..c61c012e25bbaac3e014e5df2f375df37fbde1de 100644 (file)
--- a/drivers/iio/imu/kmx61.c
+++ b/drivers/iio/imu/kmx61.c
@@ -1200,8 +1200,7 @@ static irqreturn_t kmx61_trigger_handler(int irq, void *p)
                base = KMX61_MAG_XOUT_L;
 
        mutex_lock(&data->lock);
-       for_each_set_bit(bit, indio_dev->active_scan_mask,
-                        indio_dev->masklength) {
+       iio_for_each_active_channel(indio_dev, bit) {
                ret = kmx61_read_measurement(data, base, bit);
                if (ret < 0) {
                        mutex_unlock(&data->lock);