On 29/11/11 12:56, Anand Kanaginhal wrote: > > I am trying to get PCIe endpoint hot - plugging working > > The Set up is such that there is one endpoint (our custom device) connected to PCI switch PLX 8609 8 port 8 lane switch. > 1. I have my driver module compiled, copied into /lib/modules/`uname -r`/kernel/drivers/char/ > 2. I run depmod and "modules.pcimap" also got updated with my module. > > However > if I unplug and plug in the endpoint, my driver .probe and .remove functions > are not being invoked. Is there something more to be done at the bus > level to get the driver to hot plug ? > > I have tried various kernel version, Currently I am trying on 2.6.38.12 (UBUNTU flavor). > First is there anything missing ? Also Please give me some pointers and debug direction. > > Thanks > Anand > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html Hi Anand Did You enable the pcie hotplug driver (pciehp) One can do it adding the next options to the /boot/grub/menu.lst pciehp.pciehp_force=1 pciehp.pciehp_debug=1 (example of my menu.lst: kernel /boot/vmlinuz-2.6.32-28-generic root=UUID=330631e1-99a3-46d3-bf52-f4ca23c6b6ef ro pciehp.pciehp_force=1 pciehp.pciehp_debug=1 acpi=off noapic console=tty0 console=ttyS0 quiet ) so You can see the pciehp outputs in /var/log/kern.log regards Ludwig -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
