[PATCHv3 0/9] PCI: dwc: refactor ls-pcie ->host_init() and fix bug for dw_pcie_setup_rc

[Zhiqiang Hou <Zhiqiang.Hou@nxp.com>]

From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>

Reordered and reformed the version 2 patch set:
The first 5 patches are used to refactor the ls-pcie host init function
and make it robust. And make ls1021a pcie reuse the ls-pcie common host
init function. Disable the bootloader configured outbound windows to avoid
conflict to outbound windows configured by dw_pcie_setup_rc().

The rest 4 patches are aim to fix the designware Class code and interrupt
Pin code fixup doesn't work issue, because they are DBI read-only registers,
so must enable the write permission before updating this register. And removed
the obsolete fixups from layerscape, qcom and artpec6 pcie drivers.

Hou Zhiqiang (9):
  PCI: layerscape: Add dw_pcie_setup_rc to ls-pcie common host init
  PCI: layerscape: move STRFMR1 access out from the DBI write-enable
    bracket
  PCI: layerscape: add class code and multifunction fixups for ls1021a
  PCI: layerscape: refactor the host_init function
  PCI: layerscape: Disable the outbound windows configured by bootloader
  PCI: designware: add accessors for write permission of DBI read-only
    registers
  PCI: layerscape: use accessors to enable/disable DBI RO registers'
    write permission
  PCI: designware: enable write permission before updating DBI RO
    registers
  PCI: dwc: remove the obsolete fixups

 drivers/pci/dwc/pci-layerscape.c       | 90 ++++++++++++++++++----------------
 drivers/pci/dwc/pcie-artpec6.c         |  6 ---
 drivers/pci/dwc/pcie-designware-host.c |  6 +++
 drivers/pci/dwc/pcie-designware.h      | 25 ++++++++++
 drivers/pci/dwc/pcie-qcom.c            | 17 -------
 5 files changed, 80 insertions(+), 64 deletions(-)

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2.1.0.27.g96db324