> From: Bjorn Helgaas [mailto:bhelgaas@xxxxxxxxxx] > On Fri, May 29, 2015 at 4:14 PM, Tang, Jason (ES) <Jason.Tang2@xxxxxxx> > wrote: > > This bridge is a COTS bridge, with no special hotplugging capabilities. I > > have a need to hot-add things underneath that bridge. Yes, this will > > probably void various warranties, but in testing I have found it is > > electrically safe to do so. > > Does that mean you have no hotplug events, e.g., interrupts for > presence detect, attention button, etc.? So when you want to hot-add > a device, you have to manually "echo 1 > /sys/.../rescan" or similar? Yes, in my case I have not seen any ACPI events or other interrupts generated whenever my particular bridge is hot added. I have to poke /sys/bus/pci/rescan to force the kernel to rescan the bus and find the new devices. This is not surprising given the devices that I have available. ��.n��������+%������w��{.n�����{���"�)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
