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    SubjectRe: [RFC/PATCH 0/22] W1: sysfs, lifetime and other fixes
    On Mon, Apr 25, 2005 at 11:32:14AM -0500, Dmitry Torokhov wrote:
    > On 4/25/05, Evgeniy Polyakov <> wrote:
    > > On Thu, 2005-04-21 at 09:31 -0500, Dmitry Torokhov wrote:
    > > >
    > > > OK, that is what I am aying. But why do you need that attribute with
    > > > variable name and a bin attribute that is not really bin but just a
    > > > dump for all kind of data (looks like debug one).
    > >
    > > bin attribute was created for lm_sensors scripts format - it only caches
    > > read value.
    > > I think there might be only 2 "must have" methods - read and write.
    > > I plan to implement them using connector, so probably they will go away
    > > completely.
    > ...
    > > > You will not be able to cram all 1-wire devices into unified
    > > > interface. You will need to build classes on top of it and you might
    > > > use connector (I am not sure) bit not on w1 bus level.
    > > > ...
    > >
    > > connector allows to have different objects inside one netlink group,
    > > so it will use it in that way.
    > > I think only two w1 methods must exist - read and write,
    > > and they must follow protocol, defined in family driver.
    > No, I think there should not be any "must have" methods on w1_bus
    > level. What you really need (and this needs to be coordinated with
    > other sensors people) is a "sensors" class hierarchy that will define
    > classes like "temperature sensor", "fan", "vid", etc. Then your w1
    > family drivers, when bound to a slave, will create needed class
    > devices. i2c drivers will do the same, and your superio, and I'll be
    > able to change i8k driver just for kicks. Then your usespace would not
    > care what _bus_ a particular sensor is sittign on and will be
    > presented with a unified interface.

    Yes, that is the way to go, and is what a number of people are currently
    working on implementing.


    greg k-h
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