soc: rockchip: power-domain: check the existing of regmap
Check return value of syscon_node_to_regmap for rockchip_pm_domain_probe. If err value is returned, probe procedure should abort. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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@ -475,6 +475,10 @@ static int rockchip_pm_domain_probe(struct platform_device *pdev)
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}
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pmu->regmap = syscon_node_to_regmap(parent->of_node);
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if (IS_ERR(pmu->regmap)) {
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dev_err(dev, "no regmap available\n");
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return PTR_ERR(pmu->regmap);
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}
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/*
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* Configure power up and down transition delays for CORE
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