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[ 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>