PCI/PM: Write 0 to PMCSR in pci_power_up() in all cases

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Make pci_power_up() write 0 to the device's PCI_PM_CTRL register in
order to put it into D0 regardless of the power state returned by
the previous read from that register which should not matter.

Link: https://lore.kernel.org/r/5748066.MhkbZ0Pkbq@kreacher
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

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Rafael J. Wysocki 2022-05-05 20:10:43 +02:00 • committed by Bjorn Helgaas

parent 0b59193548

commit f0881d38c7

1 changed files with 3 additions and 8 deletions

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drivers/pci/pci.c

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