PCI: Add pcie_get_speed_cap() to find max supported link speed

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Add pcie_get_speed_cap() to find the max link speed supported by a device.
Change max_link_speed_show() to use pcie_get_speed_cap().

Signed-off-by: Tal Gilboa <talgi@mellanox.com>
[bhelgaas: return speed directly instead of error and *speed, don't export
outside drivers/pci]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>

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Tal Gilboa 2018-03-30 07:44:05 -05:00 • committed by Bjorn Helgaas

parent 1acfb9b7ee

commit 6cf57be0f7

3 changed files with 56 additions and 26 deletions

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28

drivers/pci/pci-sysfs.c

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44

drivers/pci/pci.c

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10

drivers/pci/pci.h

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