systemd clarification

[Andrew Jeffery]

On Thu, 27 Aug 2020, at 01:25, Mike Jones wrote:
> Matt,
> 
> Cool, I will have a look.
> 
> I also found there is i2cset -f.
> 
> I need to find out if it is atomic wrt hwmon. If it is, I could use 
> PAGE_PLUS to get around hwmon mucking with PAGE. Not as general purpose 
> though, and some of our devices don’t support PAGE_PLUS
> 

Bit of a late reply, however: Both the chardev and in-kernel paths acquire the 
same bus mutex, so you won't have transfers stomping on each-other if you 
constrain yourself to a single read/write command through the chardev interface.

Andrew