Hi Bharat, On 2016/5/23 23:15, Bharat Kumar Gogada wrote:
+ + irq = platform_get_irq_byname(pdev, "pcie-sys"); + if (irq < 0) { + dev_err(dev, "missing pcie_sys IRQ resource\n"); + return -EINVAL; + } + err = devm_request_irq(dev, irq, rockchip_pcie_subsys_irq_handler, + IRQF_SHARED, "pcie-sys", port); + if (err) { + dev_err(dev, "failed to request pcie subsystem irq\n"); + return err; + } + + port->irq = platform_get_irq_byname(pdev, "pcie-legacy"); + if (port->irq < 0) { + dev_err(dev, "missing pcie_legacy IRQ resource\n"); + return -EINVAL; + } + err = devm_request_irq(dev, port->irq, + rockchip_pcie_legacy_int_handler, + IRQF_SHARED, + "pcie-legacy", + port); + if (err) { + dev_err(&pdev->dev, "failed to request pcie-legacy irq\n"); + return err; + } + + irq = platform_get_irq_byname(pdev, "pcie-client"); + if (irq < 0) { + dev_err(dev, "missing pcie-client IRQ resource\n"); + return -EINVAL; + } + err = devm_request_irq(dev, irq, rockchip_pcie_client_irq_handler, + IRQF_SHARED, "pcie-client", port); + if (err) { + dev_err(dev, "failed to request pcie client irq\n"); + return err; + } +All of the above interrupt number details are being obtained from device tree, why not move above API's to rockchip_pcie_parse_dt.
Ok, I will move these above into parse_dt function.
+ port->dev = dev; + err = rockchip_pcie_parse_dt(port); + if (err) { + dev_err(dev, "Parsing DT failed\n"); + return err; + } + + pcie_write(port, 0x6040000, PCIE_RC_CONFIG_BASE + 0x8); + pcie_write(port, 0x0, PCIE_CORE_CTRL_MGMT_BASE + 0x300); + + pcie_write(port, (RC_REGION_0_ADDR_TRANS_L + RC_REGION_0_PASS_BITS), + PCIE_CORE_AXI_CONF_BASE); + pcie_write(port, RC_REGION_0_ADDR_TRANS_H, + PCIE_CORE_AXI_CONF_BASE + 0x4); + pcie_write(port, 0x0080000a, PCIE_CORE_AXI_CONF_BASE + 0x8); + pcie_write(port, 0x00000000, PCIE_CORE_AXI_CONF_BASE + 0xc);Why not move the above steps to rockchip_pcie_init_port function ? Please use macros instead of using values.
okay, will improve them. Thanks for comment.
-- Best Regards Shawn Lin -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
