On Wed, Jul 16, 2014 at 4:47 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > On Wed, Jul 16, 2014 at 1:55 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > > in the tree: > 80:03.0 ==> 96:00.0 ==> 97:08.0 ==> 98:00.0 ==> 99:00.0 ==> 9a:00.0 > ==> 9b:15.0 > > only 97:08.0 and 99:00.0 is hotplug+. > > and kernel will honor BIOS set value at first, and realloc will only work on > unassigned/invalid assigned BARs. and hpmem_size will be only treated at > optional size even on hotplug slots. > > a5:00.0 is not in 9b:15.0 at first, so yo just put the card in can > rescan the card, > right? > > In this case we don't to realloc, as other devices could already have > driver loaded. > > You need to fix the BIOS to have correct setting for 96:1b.0. should 9b:15.0 > > SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- > HotPlug- Surprise- > Slot #21, PowerLimit 25.000W; Interlock- NoCompl- > SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- > CmdCplt- HPIrq- LinkChg- > Control: AttnInd Unknown, PwrInd Unknown, > Power- Interlock- > SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- > PresDet+ Interlock- > Changed: MRL- PresDet+ LinkState+ > > to make it really hotplug slot. > > And BIOS need to make sure parent bus/bridge have enough resource ranges > for the hotplug slots. > > Yinghai -- 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
