158  * @perst_map: PERST regmap
161  * @reset: PERST# GPIO
168  * @perst_en: Flag for PERST enable
169  * @perst_sep_en: Flag for PERST separation enable
172  * @perst_irq: PERST# IRQ
557 	syscon = of_parse_phandle(dev->of_node, "qcom,perst-regs", 0);  in qcom_pcie_ep_get_io_resources()
559 		dev_dbg(dev, "PERST separation not available\n");  in qcom_pcie_ep_get_io_resources()
568 	ret = of_property_read_u32_index(dev->of_node, "qcom,perst-regs",  in qcom_pcie_ep_get_io_resources()
571 		dev_err(dev, "No Perst Enable offset in syscon\n");  in qcom_pcie_ep_get_io_resources()
575 	ret = of_property_read_u32_index(dev->of_node, "qcom,perst-regs",  in qcom_pcie_ep_get_io_resources()
578 		dev_err(dev, "No Perst Separation Enable offset in syscon\n");  in qcom_pcie_ep_get_io_resources()
678 	u32 perst;  in qcom_pcie_ep_perst_irq_thread()  local
680 	perst = gpiod_get_value(pcie_ep->reset);  in qcom_pcie_ep_perst_irq_thread()
681 	if (perst) {  in qcom_pcie_ep_perst_irq_thread()
682 		dev_dbg(dev, "PERST asserted by host. Shutting down the PCIe link!\n");  in qcom_pcie_ep_perst_irq_thread()
685 		dev_dbg(dev, "PERST de-asserted by host. Starting link training!\n");  in qcom_pcie_ep_perst_irq_thread()
690 			 (perst ? IRQF_TRIGGER_HIGH : IRQF_TRIGGER_LOW));  in qcom_pcie_ep_perst_irq_thread()
720 		dev_err(&pdev->dev, "Failed to request PERST IRQ\n");  in qcom_pcie_ep_enable_irq_resources()