437  * @ref_clk: phy reference clock
457 	struct clk *ref_clk;  member
689 		clk_disable_unprepare(qphy->ref_clk);  in qusb2_phy_runtime_suspend()
723 		ret = clk_prepare_enable(qphy->ref_clk);  in qusb2_phy_runtime_resume()
828 	 * ref_clk and use single-ended clock, otherwise use differential  in qusb2_phy_init()
829 	 * ref_clk only.  in qusb2_phy_init()
851 		ret = clk_prepare_enable(qphy->ref_clk);  in qusb2_phy_init()
887 		clk_disable_unprepare(qphy->ref_clk);  in qusb2_phy_init()
909 		clk_disable_unprepare(qphy->ref_clk);  in qusb2_phy_exit()
1012 	qphy->ref_clk = devm_clk_get(dev, "ref");  in qusb2_phy_probe()
1013 	if (IS_ERR(qphy->ref_clk))  in qusb2_phy_probe()
1014 		return dev_err_probe(dev, PTR_ERR(qphy->ref_clk),  in qusb2_phy_probe()