PCI: Add pcie_get_width_cap() to find max supported link width

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Add pcie_get_width_cap() to find the max link width supported by a device.
Change max_link_width_show() to use pcie_get_width_cap().

Signed-off-by: Tal Gilboa <talgi@mellanox.com>
[bhelgaas: return width directly instead of error and *width, 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 08:24:36 -05:00 • committed by Bjorn Helgaas

parent 6cf57be0f7

commit c70b65fb7f

3 changed files with 21 additions and 8 deletions

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10

drivers/pci/pci-sysfs.c

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18

drivers/pci/pci.c

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1

drivers/pci/pci.h

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