PCI: dwc: Add dw_pcie_parent_bus_offset()

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Return the offset from CPU physical address to the parent bus address of
the specified element of the devicetree 'reg' property.

[bhelgaas: cpu_phy_addr -> cpu_phys_addr, return offset, split
.cpu_addr_fixup() checking and debug to separate patch]

Link: https://lore.kernel.org/r/20250315201548.858189-6-helgaas@kernel.org
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

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Frank Li 2025-03-15 15:15:40 -05:00 • committed by Bjorn Helgaas

parent 2ce107e064

commit 9de3f3cd47

2 changed files with 26 additions and 0 deletions

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23

drivers/pci/controller/dwc/pcie-designware.c

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3

drivers/pci/controller/dwc/pcie-designware.h

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