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| author |   Liang He <windhl@126.com> | 2022-09-15 17:35:06 +0800 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2022-09-20 11:56:38 +0530 |
| commit | c4c349be07aeec5f397a349046dc5fc0f2657691 (patch) | |
| tree | 324389e3eb00adffc1a5b848ae187274ec3e3aed /drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c | |
| parent | dt-bindings: phy: renesas,rcar-gen2-usb-phy: Convert to json-schema (diff) | |
| download | linux-dev-c4c349be07aeec5f397a349046dc5fc0f2657691.tar.xz linux-dev-c4c349be07aeec5f397a349046dc5fc0f2657691.zip | |
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: 8eff8b4e22d9 ("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>
Diffstat (limited to 'drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c')
| -rw-r--r-- | drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c b/drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c index 1027ece6ca12..a3e1108b736d 100644 --- a/drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c +++ b/drivers/phy/amlogic/phy-meson-axg-mipi-pcie-analog.c @@ -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"); |