[lkml]   [2016]   [Jul]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 0/5] hwmon: New hwmon registration API
On 11/07/16 01:56, Guenter Roeck wrote:
> Hi Jonathan,
> On 07/10/2016 09:00 AM, Jonathan Cameron wrote:
>> On 26/06/16 04:26, Guenter Roeck wrote:
>>> Up to now, each hwmon driver has to implement its own sysfs attributes.
>>> This requires a lot of template code, and distracts from the driver's
>>> core function to read and write chip registers.
>>> To be able to reduce driver complexity, move sensor attribute handling
>>> and thermal zone registration into the hwmon core. By using the new API,
>>> driver size is typically reduced by 20-50% depending on driver complexity
>>> and the number of sysfs attributes supported.
>>> The first patch of the series introduces the API as well as support
>>> for temperature sensors. Subsequent patches introduce support for
>>> voltage, current, power, energy, humidity, and fan speed sensors.
>>> The series was tested by converting several drivers (lm75, lm90, tmp102,
>>> tmp421, ltc4245) to the new API. Testing was done with with real chips
>>> as well as with the hwmon driver module test code available at
>> Some cool stuff hiding in there :)
>> I've only reviewed 1 and 7 and the intermediate ones are really either
>> correct or they aren't and they look fine to me.
> Thanks a lot for your feedback - it is reassuring that it looks sane to you.
>> So what's next? (beyond presumably a lot of driver conversions).
> Next steps will be to address your comments, re-test, submit a new series,
> add to -next after v4.8-rc1 is out, submit the conversions I have done
> and add to -next. Then, obviously, only accept new drivers using the
> new API.
> Not sure if there is anything else we can or want to do do at this time.
> Do you have anything in mind ?
Was wondering about the bridge to IIO (reverse of iio to hwmon bridge)
that you mentioned - for that you'd probably need some in kernel interfaces
for all this stuff.

Anyhow, stuff for the future (perhaps distant)

> Thanks,
> Guenter

 \ /
  Last update: 2016-07-20 18:01    [W:0.085 / U:1.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site