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iio: adc: ad7292: Switch from of specific to fwnode property handling

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This reduces the wrong of device tree only IIO drivers that might
be copied by converting over this simple case.
Makes use of the new _scoped() handling to automatically release
the fwnode_handle on early exit from the loop.

Cc: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240218172731.1023367-5-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Jonathan Cameron 2024-02-18 17:27:27 +00:00
parent a6eaf02b82
commit bb134d2fbc
1 changed files with 6 additions and 7 deletions
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13
drivers/iio/adc/ad7292.c
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@ -8,7 +8,8 @@
#include <linux/bitfield.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/mod_devicetable.h>
#include <linux/property.h>
#include <linux/regulator/consumer.h>
#include <linux/spi/spi.h>
@ -260,7 +261,6 @@ static int ad7292_probe(struct spi_device *spi)
{
struct ad7292_state *st;
struct iio_dev *indio_dev;
struct device_node *child;
bool diff_channels = false;
int ret;
@ -305,12 +305,11 @@ static int ad7292_probe(struct spi_device *spi)
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &ad7292_info;
for_each_available_child_of_node(spi->dev.of_node, child) {
diff_channels = of_property_read_bool(child, "diff-channels");
if (diff_channels) {
of_node_put(child);
device_for_each_child_node_scoped(&spi->dev, child) {
diff_channels = fwnode_property_read_bool(child,
"diff-channels");
if (diff_channels)
break;
}
}
if (diff_channels) {