Messages in this thread |  | | Subject | Re: [PATCH 2/3] ACPI / hotplug: Fix PCI host bridge hot removal | From | Toshi Kani <> | Date | Mon, 18 Nov 2013 11:10:05 -0700 |
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On Thu, 2013-11-14 at 00:16 +0100, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > Since the PCI host bridge scan handler does not set hotplug.enabled, > the check of it in acpi_bus_device_eject() effectively prevents the > root bridge hot removal from working after commit a3b1b1ef78cd > (ACPI / hotplug: Merge device hot-removal routines). However, that > check is not necessary, because the other acpi_bus_device_eject() > users, acpi_hotplug_notify_cb and acpi_eject_store(), do the same > check by themselves before executing that function. > > For this reason, remove the scan handler check from > acpi_bus_device_eject() to make PCI hot bridge hot removal work > again.
I am curious why the PCI host bridge scan handler does not set hotplug.enabled. Is this how it disables hotplug via sysfs eject but enables via ACPI notification?
Thanks, -Toshi
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