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iio: adc: ad7768-1: use device_* to iterate over device child nodes

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Drop the manual access to the fwnode of the device to iterate over its
child nodes. `device_for_each_child_node` macro provides direct access
to the child nodes, and given that they are only required within the
loop, the scoped variant of the macro can be used.

Use the `device_for_each_child_node_scoped` macro to iterate over the
direct child nodes of the device.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240801-device_child_node_access-v1-2-ddfa21bef6f2@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Javier Carrasco
2024-08-01 08:13:51 +02:00
committed by Jonathan Cameron
parent 1ca99efa17
commit 72c80a9320
1 changed files with 1 additions and 4 deletions
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5
drivers/iio/adc/ad7768-1.c
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@@ -544,13 +544,10 @@ static int ad7768_set_channel_label(struct iio_dev *indio_dev,
{
struct ad7768_state *st = iio_priv(indio_dev);
struct device *device = indio_dev->dev.parent;
struct fwnode_handle *fwnode;
struct fwnode_handle *child;
const char *label;
int crt_ch = 0;
fwnode = dev_fwnode(device);
fwnode_for_each_child_node(fwnode, child) {
device_for_each_child_node_scoped(device, child) {
if (fwnode_property_read_u32(child, "reg", &crt_ch))
continue;