Messages in this thread | | | Date | Tue, 29 Nov 2011 23:22:14 +0900 | From | Greg KH <> | Subject | Re: PCIe Hotplugging not working |
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On Tue, Nov 29, 2011 at 03:56:12AM -0800, 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/
Why is a pci driver a "char" driver? Do you have a pointer to the source of this?
> 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 ?
You need a pci hotplug controller driver, is that loaded? That is what is responsible for eventually calling your remove function.
> I have tried various kernel version, Currently I am trying on 2.6.38.12 (UBUNTU flavor).
We can't help you with distro-specific kernels, please use a kernel.org kernel and we will be glad to help you out.
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