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Merge branch 'pci/enumeration'

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- Add PCIe 32 GT/s speed decoding for sysfs "max_link_speed" and dmesg
    notes about available bandwidth (Yicong Yang)

  - Simplify and unify PCI bus/link speed reporting (Yicong Yang)

* pci/enumeration:
  PCI: Add PCIE_LNKCAP2_SLS2SPEED() macro
  PCI: Use pci_speed_string() for all PCI/PCI-X/PCIe strings
  PCI: Add pci_speed_string()
  PCI: Add 32 GT/s decoding in some macros
This commit is contained in:
Bjorn Helgaas 2020-04-02 14:26:32 -05:00
commit eb81b249ba
7 changed files with 67 additions and 86 deletions
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2
include/linux/pci.h
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@ -236,7 +236,7 @@ enum pcie_link_width {
PCIE_LNK_WIDTH_UNKNOWN = 0xff,
};
/* Based on the PCI Hotplug Spec, but some values are made up by us */
/* See matching string table in pci_speed_string() */
enum pci_bus_speed {
PCI_SPEED_33MHz = 0x00,
PCI_SPEED_66MHz = 0x01,