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soc: qcom: ice: use scoped device node handling to simplify error paths

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

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240813-b4-cleanup-h-of-node-put-other-v1-3-cfb67323a95c@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2024-08-13 15:09:49 +02:00 committed by Bjorn Andersson
parent c50203cbba
commit 877840f13b
1 changed files with 5 additions and 9 deletions
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14
drivers/soc/qcom/ice.c
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@ -8,6 +8,7 @@
*/
#include <linux/bitfield.h>
#include <linux/cleanup.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/iopoll.h>
@ -265,7 +266,6 @@ struct qcom_ice *of_qcom_ice_get(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct qcom_ice *ice;
struct device_node *node;
struct resource *res;
void __iomem *base;
@ -292,15 +292,15 @@ struct qcom_ice *of_qcom_ice_get(struct device *dev)
* (legacy DT binding), then it must at least provide a phandle
* to the ICE devicetree node, otherwise ICE is not supported.
*/
node = of_parse_phandle(dev->of_node, "qcom,ice", 0);
struct device_node *node __free(device_node) = of_parse_phandle(dev->of_node,
"qcom,ice", 0);
if (!node)
return NULL;
pdev = of_find_device_by_node(node);
if (!pdev) {
dev_err(dev, "Cannot find device node %s\n", node->name);
ice = ERR_PTR(-EPROBE_DEFER);
goto out;
return ERR_PTR(-EPROBE_DEFER);
}
ice = platform_get_drvdata(pdev);
@ -308,8 +308,7 @@ struct qcom_ice *of_qcom_ice_get(struct device *dev)
dev_err(dev, "Cannot get ice instance from %s\n",
dev_name(&pdev->dev));
platform_device_put(pdev);
ice = ERR_PTR(-EPROBE_DEFER);
goto out;
return ERR_PTR(-EPROBE_DEFER);
}
ice->link = device_link_add(dev, &pdev->dev, DL_FLAG_AUTOREMOVE_SUPPLIER);
@ -321,9 +320,6 @@ struct qcom_ice *of_qcom_ice_get(struct device *dev)
ice = ERR_PTR(-EINVAL);
}
out:
of_node_put(node);
return ice;
}
EXPORT_SYMBOL_GPL(of_qcom_ice_get);