iio: proximity: sx_common: 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-v1-22-8e12cd042906@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/proximity/sx_common.c b/drivers/iio/proximity/sx_common.c
index a95e9814aaf2adac8302cff531b81871c26792c6..71aa6dced7d3422df8b057ebe347ee37783facfe 100644 (file)
--- a/drivers/iio/proximity/sx_common.c
+++ b/drivers/iio/proximity/sx_common.c
@@ -369,8 +369,7 @@ static irqreturn_t sx_common_trigger_handler(int irq, void *private)
 
        mutex_lock(&data->mutex);
 
-       for_each_set_bit(bit, indio_dev->active_scan_mask,
-                        indio_dev->masklength) {
+       iio_for_each_active_channel(indio_dev, bit) {
                ret = data->chip_info->ops.read_prox_data(data,
                                                     &indio_dev->channels[bit],
                                                     &val);
@@ -398,8 +397,7 @@ static int sx_common_buffer_preenable(struct iio_dev *indio_dev)
        int bit, ret;
 
        mutex_lock(&data->mutex);
-       for_each_set_bit(bit, indio_dev->active_scan_mask,
-                        indio_dev->masklength)
+       iio_for_each_active_channel(indio_dev, bit)
                __set_bit(indio_dev->channels[bit].channel, &channels);
 
        ret = sx_common_update_chan_en(data, channels, data->chan_event);