Re: [linux-pm] [PATCH 2/4] hwmon: exynos4: Move thermal sensordriver to driver/mfd directory

[Mark Brown]

On Sat, Mar 03, 2012 at 04:36:05PM +0530, Amit Daniel Kachhap wrote:
> This movement is needed because the hwmon entries and corresponding
> sysfs interface is a duplicate of utilities already provided by
> driver/thermal/thermal_sys.c. The goal is to place it in mfd folder
> and add necessary calls to get the temperature information.

> --- a/Documentation/hwmon/exynos4_tmu
> +++ /dev/null

Moving this seems to be a failure, the device is exposing a hwmon
interface even if you've moved the code to mfd (though it doesn't
actually look like a multi-function device at all as far as I can see -
usually a MFD would have a bunch of unrelated functionality while this
has one function used by two subsystems).

If anything it looks like the ADC driver ought to be moved into IIO with
either generic or Exynos specific function drivers layered on top of it
in hwmon and thermal making use of the values that are read.
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