iio: light: gp2ap020a00f: 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-v1-13-8e12cd042906@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/light/gp2ap020a00f.c b/drivers/iio/light/gp2ap020a00f.c
index 7573834..b3f87dd 100644 (file)
--- a/drivers/iio/light/gp2ap020a00f.c
+++ b/drivers/iio/light/gp2ap020a00f.c
@@ -965,8 +965,7 @@ static irqreturn_t gp2ap020a00f_trigger_handler(int irq, void *data)
        size_t d_size = 0;
        int i, out_val, ret;
 
-       for_each_set_bit(i, indio_dev->active_scan_mask,
-               indio_dev->masklength) {
+       iio_for_each_active_channel(indio_dev, i) {
                ret = regmap_bulk_read(priv->regmap,
                                GP2AP020A00F_DATA_REG(i),
                                &priv->buffer[d_size], 2);
@@ -1397,8 +1396,7 @@ static int gp2ap020a00f_buffer_postenable(struct iio_dev *indio_dev)
         * two separate IIO channels they are treated in the driver logic
         * as if they were controlled independently.
         */
-       for_each_set_bit(i, indio_dev->active_scan_mask,
-               indio_dev->masklength) {
+       iio_for_each_active_channel(indio_dev, i) {
                switch (i) {
                case GP2AP020A00F_SCAN_MODE_LIGHT_CLEAR:
                        err = gp2ap020a00f_exec_cmd(data,
@@ -1435,8 +1433,7 @@ static int gp2ap020a00f_buffer_predisable(struct iio_dev *indio_dev)
 
        mutex_lock(&data->lock);
 
-       for_each_set_bit(i, indio_dev->active_scan_mask,
-               indio_dev->masklength) {
+       iio_for_each_active_channel(indio_dev, i) {
                switch (i) {
                case GP2AP020A00F_SCAN_MODE_LIGHT_CLEAR:
                        err = gp2ap020a00f_exec_cmd(data,