Merge branches 'pci/host-aardvark', 'pci/host-altera', 'pci/host-artpec', 'pci/host-designware', 'pci/host-hv', 'pci/host-keystone', 'pci/host-rcar', 'pci/host-rockchip', 'pci/host-tegra' and 'pci/host-xilinx' into next
* pci/host-aardvark:
PCI: aardvark: Remove redundant dev_err call in advk_pcie_probe()
* pci/host-altera:
PCI: altera: Remove redundant platform_get_resource() return value check
PCI: altera: Move retrain from fixup to altera_pcie_host_init()
PCI: altera: Rework config accessors for use without a struct pci_bus
PCI: altera: Poll for link training status after retraining the link
* pci/host-artpec:
PCI: artpec6: Drop __init from artpec6_add_pcie_port()
* pci/host-designware:
PCI: designware: Remove redundant platform_get_resource() return value check
PCI: designware: Exchange viewport of `MEMORYs' and `CFGs/IOs'
PCI: designware: Keep viewport fixed for IO transaction if num_viewport > 2
PCI: designware: Check LTSSM training bit before deciding link is up
PCI: designware: Add iATU Unroll feature
PCI: designware: Wait for iATU enable
PCI: designware: Move link wait definitions to .c file
PCI: designware: Return data directly from dw_pcie_readl_rc()
* pci/host-hv:
PCI: hv: Handle hv_pci_generic_compl() error case
PCI: hv: Handle vmbus_sendpacket() failure in hv_compose_msi_msg()
PCI: hv: Remove the unused 'wrk' in struct hv_pcibus_device
PCI: hv: Use pci_function_description[0] in struct definitions
PCI: hv: Use zero-length array in struct pci_packet
PCI: hv: Use list_move_tail() instead of list_del() + list_add_tail()