PCI: iproc: Convert to use the new ECAM constants
Change interface of the function iproc_pcie_map_ep_cfg_reg() so that use of PCI_SLOT() and PCI_FUNC() macros and most of the local ECAM-specific constants can be dropped, and the new PCIE_ECAM_OFFSET() macro can be used instead. Use the ALIGN_DOWN() macro to ensure that PCI Express ECAM offset is always 32 bit aligned. Suggested-by: Bjorn Helgaas <bhelgaas@google.com> Link: https://lore.kernel.org/r/20201129230743.3006978-4-kw@linux.com Signed-off-by: Krzysztof Wilczyński <kw@linux.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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