Resending as earlier sends failed > Date: Tue, 29 Nov 2011 23:22:14 +0900 > From: greg@xxxxxxxxx > To: anand_dk@xxxxxxxxxxx > CC: linux-pci@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-hotplug@xxxxxxxxxxxxxxx > Subject: Re: PCIe Hotplugging not working > > 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? I am doing an test before putting it in its right place. Another reason is that I am treating it as character device and using IOCTLs for various operations. I have attached the framework code here. > > 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. How do I figure out if a pci hotplug controller driver is installed? > > 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. I have tried with vanilla kernel as well with the same results. > greg k-h 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
