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authorBjorn Helgaas <bhelgaas@google.com>2016-06-17 15:23:52 -0500
committerBjorn Helgaas <bhelgaas@google.com>2016-06-17 15:23:52 -0500
commit224abb67e6eb5ac062de9239163136d5ec3155c8 (patch)
tree61f5eecdc5499304d8d867acc6491d92d454b038 /arch/metag
parent006d44e49a259b39947366728d65a873a19aadc0 (diff)
downloadlinux-224abb67e6eb5ac062de9239163136d5ec3155c8.tar.gz
PCI: Document connection between pci_power_t and hardware PM capability
The dev.pme_support field, pci_pm_init(), pci_pme_capable(), and pci_raw_set_power_state() depend on the fact that the pci_power_t values (PCI_D0, PCI_D1, etc.) match the definition of the Capabilities PME_Support and the Control/Status PowerState fields in the Power Management capability (see PCI Bus Power Management spec r1.2, sec 3.2.3). Add a note to this effect at the pci_power_t typedef. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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