Re: Help needed, Re: [Bug #14334] pcmcia suspend regression from 2.6.31.1 to 2.6.31.2 - Dell Inspiron 600m

Rafael J. Wysocki
2009-10-30T22:17:25Z

On Friday 30 October 2009, Linus Torvalds wrote:
>
> On Fri, 30 Oct 2009, Linus Torvalds wrote:
> >
> > And partly exactly _because_ even Cardbus is starting to be "legacy", I'd
> > personally prefer to try to simplify the model to the point where we don't
> > have to think about all the subtle interactions. Just making suspend act
> > as an eject would mean that we'd never have to worry about how the CardBus
> > bridge interacts with the PCI layer at suspend/resume time.
>
> Put another way: five years ago I would have felt that it could be
> important that people can suspend and resume while they have a CD-ROM
> mounted through a PCMCIA IDE card. Or something like that where you want
> to keep session information.
>
> These days, that scenario is less interesting to begin with, and we're
> generally better at some of the hotplug issues anyway. Example: one of the
> reasons I used to like not causing an unplug event was because I had
> network cards, and hated setting up the connection again. These days, all
> distros come with networkmanager or similar, and hotplug networking just
> works (even if the "CD-ROM mounted" case probably still would cause
> problems).
>
> So I think we used to have good reasons to try to maintain state over a
> suspend event, but many of those reasons have become weaker, while at the
> same time USB has meant that PCMCIA itself has become more of a
> "maintenance burden" rather than a "primary subsystem".

I agree.

Rafael