PCI: brcmstb: Disable/enable regulators in suspend/resume

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If we found power regulators for a device below the Root Port, disable them
during suspend and re-enable them during resume.

If any downstream device can be a wakeup device, do not turn off the
regulators as the device will need them on.

[bhelgaas: drop unused regulator_oops, skip wrapping of .add_bus()/
.remove_bus(), move brcm_pcie_start_link() to .add_bus() in previous patch,
squash WOL checking into this patch]
Link: https://lore.kernel.org/r/20220725151258.42574-6-jim2101024@gmail.com
Link: https://lore.kernel.org/r/20220725151258.42574-7-jim2101024@gmail.com
Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>

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Jim Quinlan 2022-07-25 11:12:54 -04:00 • committed by Bjorn Helgaas

parent 9e6be018b2

commit 7a32e9b3ff

1 changed files with 59 additions and 5 deletions

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drivers/pci/controller/pcie-brcmstb.c

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