Re: driver(9)

[Patrick Welche <prlw1%welche.eu@localhost>]

On Sat, Mar 28, 2026 at 02:50:35PM +0300, Valery Ushakov wrote:
> On Sat, Mar 28, 2026 at 11:09:47 +0000, Patrick Welche wrote:
> 
> > yet the next paragraph still mentions CFATTACH_DECL and declares sc_dev.
> > 
> > Apply the following (which leaves an odd struct foo_softc declaration)?
> > 
> > --- a/share/man/man9/driver.9
> > +++ b/share/man/man9/driver.9
> [...]
> > @@ -96,7 +96,6 @@ structure for driver
> >  is defined with:
> >  .Bd -literal
> >  struct foo_softc {
> > -       device_t sc_dev;                /* generic device info */
> >         /* device-specific state */
> >  };
> >  .Ed
> 
> You are a bit confused here.  device_t is a _pointer_ to the struct
> device, not inline struct device (as it used to be).  You can check
> cvs history for commits that (among other things) do:
> 
> -	struct device foo_dev;
> +	device_t foo_dev;
> 
> usually with something like "split softc and device_t" in the log
> message.

oh - an entire struct device was contained in each struct softc(!)

Thanks for the explanation!


Patrick