PCI: Add pci_enable_ptm() for drivers to enable PTM on endpoints

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Add an pci_enable_ptm() interface so drivers can enable PTM.

The PCI core enables PTM on PTM Roots and switches automatically, but we
don't enable PTM on endpoints unless a driver requests it.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

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Bjorn Helgaas 2016-06-13 11:01:51 -05:00

parent 9bb04a0c4e

commit eec097d431

3 changed files with 53 additions and 0 deletions

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45

drivers/pci/pcie/ptm.c

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7

include/linux/pci.h

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1

include/uapi/linux/pci_regs.h

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