Commit c4c349be authored by Liang He's avatar Liang He Committed by Vinod Koul
Browse files

phy: amlogic: phy-meson-axg-mipi-pcie-analog: Hold reference returned by of_get_parent() 



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: 8eff8b4e ("phy: amlogic: phy-meson-axg-mipi-pcie-analog: add support for MIPI DSI analog")
Signed-off-by: default avatarLiang He <windhl@126.com>

Link: https://lore.kernel.org/r/20220915093506.4009456-1-windhl@126.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 92086b88

drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c

+4 −2
Original line number Diff line number Diff line
@@ -197,7 +197,7 @@ static int phy_axg_mipi_pcie_analog_probe(struct platform_device *pdev) 
	struct phy_provider *phy;

	struct device *dev = &pdev->dev;

	struct phy_axg_mipi_pcie_analog_priv *priv;

	struct device_node *np = dev->of_node;

	struct device_node *np = dev->of_node, *parent_np;

	struct regmap *map;

	int ret;
@@ -206,7 +206,9 @@ static int phy_axg_mipi_pcie_analog_probe(struct platform_device *pdev) 
		return -ENOMEM;



	/* Get the hhi system controller node */

	map = syscon_node_to_regmap(of_get_parent(dev->of_node));

	parent_np = of_get_parent(dev->of_node);

	map = syscon_node_to_regmap(parent_np);

	of_node_put(parent_np);

	if (IS_ERR(map)) {

		dev_err(dev,

			"failed to get HHI regmap\n");