On Mon, Nov 19, 2012 at 11:52:42AM +0100, Guennadi Liakhovetski wrote: > Thanks for submitting this driver! The notion of DVS regulators was new to > me, so, I checked http://www.ti.com/lit/an/sbva020/sbva020.pdf for a short > description. After that I had a look at a couple of existing DVS regulator
Do you just mean regulators that have a quick voltage change ability/ > drivers in the tree. Well, I came to two conclusions so far: (1) The > current regulator API is not very well suitable for such regulators. I > would imagine, one would need two methods: for setting the "normal" and > the DVS voltage. Instead of this drivers are trying to be smart at > guessing, which voltage the user is trying to set now... (2) Drivers do > this in different ways and at least out of the 2 drivers I looked at both > have bugs and different ones at that. I'll send a separate email, > describing what I found suspicious in them. The thing I'd like to see factored out here is the LRU mechanism, otherwise I think the situation is pretty good. Some of the older devices should use a different scheme to modern ones as the hardware they have to interoperate is different. > Of course, all the above was just my DVS-newbie impression, which can very > well be absolutely wrong. > > > > > Add regulator driver for this device. *ALWAYS* delete irrelevant text when replying.
signature.asc
Description: Digital signature
