Messages in this thread | | | From | Oliver Neukum <> | Subject | Re: loading firmware while usermodehelper disabled. | Date | Tue, 3 Jan 2012 14:30:25 +0100 |
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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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