RE: [PATCH v3 2/4] bus: fsl-mc: add restool userspace support

From: Ioana Ciornei
Date: Fri Mar 23 2018 - 11:56:33 EST



>
> On Fri, Mar 23, 2018 at 10:38:56AM -0500, Ioana Ciornei wrote:
> > +#include "fsl-mc-private.h"
> > +
> > +#define FSL_MC_BUS_MAX_MINORS 1
>
> As you only need/want one character device here, why not just use the misc
> device api? It's much simpler, and handles all of the housekeeping for you
> correctly. It also means I don't have to audit all of your chardev code to verify it
> is correct :)

I have considered the misc device api but the fsl-mc bus, since it is a platform driver, is probing before the misc char driver.

Ioana


>
> And it will save you lines-of-code, always a good thing.
>
> thanks,
>
> greg k-h