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regulator: bd718x7: Use scoped device node handling to simplify error paths

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Obtain the device node reference with scoped/cleanup.h and use scoped
for_each_child_of_node_scoped() to reduce error handling and make the
code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240814-cleanup-h-of-node-put-regulator-v1-1-87151088b883@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2024-08-14 17:04:05 +02:00 committed by Mark Brown
parent b31274caf3
commit 83c7cdeef5
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GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 13 deletions
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19
drivers/regulator/bd718x7-regulator.c
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@ -2,6 +2,7 @@
// Copyright (C) 2018 ROHM Semiconductors
// bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver
#include <linux/cleanup.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/interrupt.h>
@ -1635,18 +1636,17 @@ static int get_special_regulators(struct device *dev,
unsigned int num_reg_data, int *info)
{
int ret;
struct device_node *np;
struct device_node *nproot = dev->of_node;
int uv;
*info = 0;
nproot = of_get_child_by_name(nproot, "regulators");
struct device_node *nproot __free(device_node) = of_get_child_by_name(dev->of_node,
"regulators");
if (!nproot) {
dev_err(dev, "failed to find regulators node\n");
return -ENODEV;
}
for_each_child_of_node(nproot, np) {
for_each_child_of_node_scoped(nproot, np) {
if (of_property_read_bool(np, "rohm,no-regulator-enable-control"))
mark_hw_controlled(dev, np, reg_data, num_reg_data,
info);
@ -1656,22 +1656,15 @@ static int get_special_regulators(struct device *dev,
if (ret == -EINVAL)
continue;
else
goto err_out;
return ret;
}
ret = setup_feedback_loop(dev, np, reg_data, num_reg_data, uv);
if (ret)
goto err_out;
return ret;
}
of_node_put(nproot);
return 0;
err_out:
of_node_put(np);
of_node_put(nproot);
return ret;
}
static int bd718xx_probe(struct platform_device *pdev)