现在我们boardid 使用为214，   serdes 6-7 外挂了一个pcie 设备，没有使用 pcie 专有复位管脚，在系统启动后手动控制gpio给该设备复位信号，dmesg 打印如下，麻烦给下指导

   88.246570] pcieport 0000:00:0b.0: pciehp: Slot(0-2): Link Up

[   88.383795] pci 0000:03:00.0: [] type 01 class 0x060400

[   88.383860] pci 0000:03:00.0: PME# supported from D0 D3hot D3cold

[   88.383908] pci 0000:03:00.0: 15.752 Gb/s available PCIe bandwidth, limited by 8.0 GT/s PCIe x2 link at 0000:00:0b.0 (capable of 126.016 Gb/s with 8.0 GT/s PCIe x16 link)

[   88.395786] pci 0000:03:00.0: No bus number available for hot-added bridge

[   88.395798] pcieport 0000:00:0b.0: PCI bridge to [bus 03]

[   88.395803] pcieport 0000:00:0b.0:   bridge window [io  0x3000-0x3fff]

[   88.395806] pcieport 0000:00:0b.0:   bridge window [mem 0xe0400000-0xe05fffff]

[   88.395809] pcieport 0000:00:0b.0:   bridge window [mem 0x4000400000-0x40005fffff 64bit pref]

[   88.395882] pcieport 0000:00:0b.0: of_irq_parse_pci: failed with rc=-22