RE: [PATCH net-next v2 2/2] misc: Add Renesas Synchronization Management Unit (SMU) support

[Min Li]

> 
> If you do nothing in an open/release function, then there is no need to have
> them at all, you can remove them.
> 
> But this feels odd, how do you know what device you are using in your ioctl
> command?
> 

The type of board is passed by mfd driver through platform data

rsmu->type = pdata->type;