Re: [PATCH] PCI/PM: Keep runtime PM enabled for unbound PCI devices

2012-12-04 Thread Bjorn Helgaas
On Wed, Nov 28, 2012 at 3:43 PM, Rafael J. Wysocki wrote: > On Wednesday, November 28, 2012 03:25:59 PM Bjorn Helgaas wrote: >> On Tue, Nov 20, 2012 at 1:08 AM, Huang Ying wrote: >> > For unbound PCI devices, what we need is: >> > >> > - Always in D0 state, because some devices does not work aga

Re: [PATCH] PCI/PM: Keep runtime PM enabled for unbound PCI devices

2012-11-28 Thread Rafael J. Wysocki
On Wednesday, November 28, 2012 03:25:59 PM Bjorn Helgaas wrote: > On Tue, Nov 20, 2012 at 1:08 AM, Huang Ying wrote: > > For unbound PCI devices, what we need is: > > > > - Always in D0 state, because some devices does not work again after > >being put into D3 by the PCI bus. > > > > - In S

Re: [PATCH] PCI/PM: Keep runtime PM enabled for unbound PCI devices

2012-11-28 Thread Bjorn Helgaas
On Tue, Nov 20, 2012 at 1:08 AM, Huang Ying wrote: > For unbound PCI devices, what we need is: > > - Always in D0 state, because some devices does not work again after >being put into D3 by the PCI bus. > > - In SUSPENDED state if allowed, so that the parent devices can still >be put int

Re: [PATCH] PCI/PM: Keep runtime PM enabled for unbound PCI devices

2012-11-20 Thread Rafael J. Wysocki
On Tuesday, November 20, 2012 04:08:22 PM Huang Ying wrote: > For unbound PCI devices, what we need is: > > - Always in D0 state, because some devices does not work again after >being put into D3 by the PCI bus. > > - In SUSPENDED state if allowed, so that the parent devices can still >

Re: [PATCH] PCI/PM: Keep runtime PM enabled for unbound PCI devices

2012-11-20 Thread Alan Stern
On Tue, 20 Nov 2012, Huang Ying wrote: > For unbound PCI devices, what we need is: > > - Always in D0 state, because some devices does not work again after >being put into D3 by the PCI bus. > > - In SUSPENDED state if allowed, so that the parent devices can still >be put into low powe