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phy: amlogic: phy-meson-axg-mipi-pcie-analog: Hold reference returned by of_get_parent()
[ Upstream commitc4c349be07
] As the of_get_parent() will increase the refcount of the node->parent and the reference will be discarded, so we should hold the reference with which we can decrease the refcount when done. Fixes:8eff8b4e22
("phy: amlogic: phy-meson-axg-mipi-pcie-analog: add support for MIPI DSI analog") Signed-off-by: Liang He <windhl@126.com> Link: https://lore.kernel.org/r/20220915093506.4009456-1-windhl@126.com Signed-off-by: Vinod Koul <vkoul@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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@ -197,7 +197,7 @@ static int phy_axg_mipi_pcie_analog_probe(struct platform_device *pdev)
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struct phy_provider *phy;
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struct device *dev = &pdev->dev;
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struct phy_axg_mipi_pcie_analog_priv *priv;
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struct device_node *np = dev->of_node;
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struct device_node *np = dev->of_node, *parent_np;
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struct regmap *map;
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int ret;
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@ -206,7 +206,9 @@ static int phy_axg_mipi_pcie_analog_probe(struct platform_device *pdev)
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return -ENOMEM;
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/* Get the hhi system controller node */
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map = syscon_node_to_regmap(of_get_parent(dev->of_node));
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parent_np = of_get_parent(dev->of_node);
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map = syscon_node_to_regmap(parent_np);
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of_node_put(parent_np);
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if (IS_ERR(map)) {
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dev_err(dev,
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"failed to get HHI regmap\n");
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