mirror of https://gitee.com/openkylin/linux.git
2dbce59011
The "Enhanced Allocation (EA) for Memory and I/O Resources" ECN, approved 23 October 2014, sec 6.9.1.2, specifies a second DW in the capability for type 1 (bridge) functions to describe fixed secondary and subordinate bus numbers. This ECN was included in the PCIe r4.0 spec, but sec 6.9.1.2 was omitted, presumably by mistake. Read fixed bus numbers from the EA capability for bridges. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> [bhelgaas: add pci_ea_fixed_busnrs() return value] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> |
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