hwmon: xgene: Add support for X-Gene hwmon driver

[Hoan Tran]

Hi Itaru,


> On Jul 23, 2016, at 16:51, Itaru Kitayama <itaru.kitayama at riken.jp> wrote:
> 
> Hi Hoan,
> 
> I've been testing your patch set on a Rev B0 system with ACPI, in dmesg
> I see:
> 
> [    1.546444] xgene-slimpro-i2c APMC0D40:00: i2c mailbox channel request failed
> [    1.570062] xgene-slimpro-hwmon APMC0D29:00: no pcc-channel property
> 
> what other packages or subsystems do we need to make this work on ACPI-based systems?

You need the new firmware and BIOS which support ACPI PCC mailbox.

Thanks
Hoan

> 
> Itaru