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clk: oxnas: Hold reference returned by of_get_parent()
[ Upstream commit1d6aa08c54
] In oxnas_stdclk_probe(), we need to hold the reference returned by of_get_parent() and use it to call of_node_put() for refcount balance. Fixes:0bbd72b4c6
("clk: Add Oxford Semiconductor OXNAS Standard Clocks") Signed-off-by: Liang He <windhl@126.com> Link: https://lore.kernel.org/r/20220628143155.170550-1-windhl@126.com Signed-off-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 4 additions and 2 deletions
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@ -218,7 +218,7 @@ static const struct of_device_id oxnas_stdclk_dt_ids[] = {
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static int oxnas_stdclk_probe(struct platform_device *pdev)
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{
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struct device_node *np = pdev->dev.of_node;
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struct device_node *np = pdev->dev.of_node, *parent_np;
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const struct oxnas_stdclk_data *data;
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const struct of_device_id *id;
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struct regmap *regmap;
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@ -230,7 +230,9 @@ static int oxnas_stdclk_probe(struct platform_device *pdev)
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return -ENODEV;
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data = id->data;
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regmap = syscon_node_to_regmap(of_get_parent(np));
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parent_np = of_get_parent(np);
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regmap = syscon_node_to_regmap(parent_np);
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of_node_put(parent_np);
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if (IS_ERR(regmap)) {
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dev_err(&pdev->dev, "failed to have parent regmap\n");
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return PTR_ERR(regmap);
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