Hi! > >In fact, I'd like drivers to use notifiers to actually > >load the firmware into > >memory before hibernation/suspend. Namely, if there's > >PM_PRE_FREEZE, the > >driver calls request_firmware() from within the > >notifier and saves the firmware > >in memory for future use, if need be. Later, when > >PM_POST_THAW comes, the > >memory holding the firmware is released. > > > >Unfortunately there are drivers that call > >request_firmware() directly from > >.resume() which blocks until timeout expires and fails > >anyway. I just wanted > >this to fail immediately, without waiting. > > Stupid question time. Wouldn't it just be easier to have > request_firmware() keep a copy of the firmware once it's > been loaded? > We're not talking about a lot of memory that would be > wasted, and that > way no drivers have to be changed. Actually, I like this idea. Firmware problems magically disappear. ...unless someone uses x86 emulator in userland to POST graphics card. You can't 'cache' that. But that's separate problem. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
