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SubjectRe: loading firmware while usermodehelper disabled.
Date
Am Dienstag, 3. Januar 2012, 14:20:53 schrieb Alan Cox:
> > That said, I guess there are more complicated / difficult pieces of
> > hardware that might not do that. Is that the case here? Can we detect
> > that the firmware needs reloading and have the primary driver "yield" to
> > the firmware driver?
>
> That doesn't really make any sense in the way USB works.
>
> However if you've got a system to load and pin firmware on suspend and
> flush it post resume then you don't actually need special 'firmware'
> drivers just a slightly fancier lib/firmware that refcounts and handles
> load on suspend/delayed flush.

How so? You still need to get the firmware to the device before
you unfreeze user space to get a benefit from this. Having it in
RAM is only half the deal.

Regards
Oliver


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