Stuart Hayes 0b382546d8 PCI: pciehp: Add DMI table for in-band presence detection disabled
Some systems have in-band presence detection disabled for hot-plug PCI
slots but do not report this in the slot capabilities 2 (SLTCAP2) register.
On these systems, presence detect can become active well after the link is
reported to be active, which can cause the slots to be disabled after a
device is connected.

Add a DMI table to flag these systems as having in-band presence detect
disabled.

Link: https://lore.kernel.org/r/20191025190047.38130-4-stuart.w.hayes@gmail.com
Signed-off-by: Stuart Hayes <stuart.w.hayes@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Lukas Wunner <lukas@wunner.de>
2020-02-20 22:48:45 -06:00
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