On 08/05/2016 02:09 PM, Scott Wood wrote: > On Fri, 2016-08-05 at 20:29 +0000, york sun wrote: >> On 08/04/2016 08:43 PM, Michael Ellerman wrote: >>> >>> Does the driver really need to use these routines? They're meant for use >>> early in boot, before PCI is setup. >>> >>> AFAICS this is just a regular driver, so when it's probed the PCI >>> devices should have already been scanned. In which case pci_get_device() >>> could work couldn't it? (I see other edac drivers doing that). >> I am trying to fix this but need some help. We are dealing with PCIe >> controller here. Does it have a bus number assigned at this point? If >> yes, how can I find it? I seem not able to find out where the >> platform_data is filled as well. Can someone kindly point it out to me? > > > The platform data comes from add_err_dev() in arch/powerpc/sysdev/fsl_pci.c. >
Thanks, Scott. When add_err_dev() is called, pci is not scanned, is using early_find_capability() justified? York