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authorJavier Carrasco <javier.carrasco.cruz@gmail.com>2024-08-20 21:02:26 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2024-09-03 19:49:44 +0200
commit31c022a4f4bbdf9787bbb9549e37597344ee46b5 (patch)
tree857ee7971eabec98d0f06ebc6cb421c8db42557e /drivers
parentiio: ABI: document ad4695 new attributes (diff)
downloadlinux-31c022a4f4bbdf9787bbb9549e37597344ee46b5.tar.xz
linux-31c022a4f4bbdf9787bbb9549e37597344ee46b5.zip
iio: adc: xilinx-ams: use device_* to iterate over device child nodes
Use `device_for_each_child_node_scoped()` in `ams_parse_firmware()` to explicitly state device child node access, and simplify the child node handling as it is not required outside the loop. Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com> Reviewed-by: Mike Leach <mike.leach@linaro.org> Link: https://patch.msgid.link/20240820-device_child_node_access-v3-1-1ee09bdedb9e@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iio/adc/xilinx-ams.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c
index f051358d6b50..ebc583b07e0c 100644
--- a/drivers/iio/adc/xilinx-ams.c
+++ b/drivers/iio/adc/xilinx-ams.c
@@ -1275,7 +1275,6 @@ static int ams_parse_firmware(struct iio_dev *indio_dev)
struct ams *ams = iio_priv(indio_dev);
struct iio_chan_spec *ams_channels, *dev_channels;
struct device *dev = indio_dev->dev.parent;
- struct fwnode_handle *child = NULL;
struct fwnode_handle *fwnode = dev_fwnode(dev);
size_t ams_size;
int ret, ch_cnt = 0, i, rising_off, falling_off;
@@ -1297,16 +1296,12 @@ static int ams_parse_firmware(struct iio_dev *indio_dev)
num_channels += ret;
}
- fwnode_for_each_child_node(fwnode, child) {
- if (fwnode_device_is_available(child)) {
- ret = ams_init_module(indio_dev, child, ams_channels + num_channels);
- if (ret < 0) {
- fwnode_handle_put(child);
- return ret;
- }
+ device_for_each_child_node_scoped(dev, child) {
+ ret = ams_init_module(indio_dev, child, ams_channels + num_channels);
+ if (ret < 0)
+ return ret;
- num_channels += ret;
- }
+ num_channels += ret;
}
for (i = 0; i < num_channels; i++) {