On Mon 19. May - 17:29:34, Matthew Garrett wrote: > The libata-acpi.c code currently accepts hotplug messages from both the > port and the device. This does not match the behaviour of the bay > driver, and may result in confusion when two hotplug requests are > received for the same device. This patch limits the hotplug notification > to removable ACPI devices, which in turn allows it to use the _STA > method to determine whether the device has been removed or inserted. > On removal, devices are marked as detached. On insertion, a hotplug scan > is started. This should avoid lockups caused by the ata layer attempting > to scan devices which have been removed. The uevent sending is moved > outside the spinlock in order to avoid a warning generated by it firing > when interrupts are disabled. > > Signed-off-by: Matthew Garrett <mjg@xxxxxxxxxx> > > --- > > Holger, I'm pretty sure that this deals with the docking station removal > case, but don't have the hardware to test. If EJECT_REQUEST is genuinely I tried it, it doesn't. Undock --> some userspace app accesses the device --> hard lockup > the only notification we receive (ie, no BUS_CHECK or DEVICE_CHECK) then > we'll need to add a separate callback for docking. Yes, see my patch. Regards, Holger -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
