Hello Helgas, I cannot see that line in dmesg. I think that something else is missing... Do you know what may cause that not appearing in dmesg? Hotplug Surprise? Thx, Paulo. 2015-01-12 16:58 GMT, Bjorn Helgaas <bhelgaas@xxxxxxxxxx>: > On Mon, Jan 12, 2015 at 5:42 AM, Paulo Fortuna Carvalho > <pricardofc@xxxxxxxxx> wrote: >> Hello, >> I want to automatically load/unload a PCIe device driver when a card >> is inserted/removed from the system. I can see in the system logger >> with dmesg that the interrupt event is captured and acknowledged by >> the pciehp hotplug service driver. >> What I want to do next is that the operating system load/unload the >> corresponding PCIe device driver for that card. > > When pciehp receives the interrupt, it should enumerate the device, > and you should see a line in dmesg similar to this (of course, it will > have different bus/device/function and different vendor/device IDs): > > pci 0000:00:16.0: [8086:9c3a] type 00 class 0x078000 > > The PCI core should then add the device using device_add(), and part > of that is to emit a uevent, which can be read by user-space. > Generally udev would handle the event and load the appropriate driver. > I don't know the details of how the user-space side works. > > Bjorn > -- 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
