On Sun, Jul 29, 2012 at 03:36:09PM +0300, Shlomo Pongratz wrote: > On Thu, Jul 26, 2012 at 8:09 PM, Greg KH <greg@xxxxxxxxx> wrote: > > On Thu, Jul 26, 2012 at 08:03:09PM +0300, Shlomo Pongratz wrote: > >> Hi, > >> > >> I have a PCIe device connected with cables to a host (kernel 3.5.0-rc7+). > >> What are the handler I need to add to a driver in order to catch cable > >> pull-out / push-in? > > > > You shouldn't need anything special, aren't you already getting probe > > and disconnect callbacks when the device is discovered and removed? > > When the device is loaded the probe is called > When I "echo 1" to the remove sysfs entry the remove callback is called. > But when I power down the card no callback is called. Then I would blame your pci hotplug controller, that is its responsibility. > >> The pcisig presentation > >> "http://www.pcisig.com/developers/main/training_materials/get_document?doc_id=f4ca40ec1721aa7fadd05e2903b0172c36656294"; > >> talks about PERST# detection for cabled PCIe hotplug. > >> > >> Does the kernel detect it? > >> > >> None of the pci_driver or pci_error_handlers callbacks were called > >> when using powered down/up the device (electrically). > > > > Do you have the pciehp driver loaded properly when this happens? > > My {dot}config includes it into the kernel, i.e. > CONFIG_HOTPLUG_PCI_PCIE=y And is it working properly? Does your hardware support this (i.e. your BIOS?) greg k-h -- 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
