Re: [V2 2/6] driver core: auxiliary bus: Add driver data helpers

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On Wed, Dec 08, 2021 at 08:43:53AM +0000, Lee Jones wrote:
> On Wed, 08 Dec 2021, Greg KH wrote:
> 
> > On Wed, Dec 08, 2021 at 09:03:16AM +0200, Leon Romanovsky wrote:
> > > On Tue, Dec 07, 2021 at 09:14:44AM -0800, David E. Box wrote:
> > > > Adds get/set driver data helpers for auxiliary devices.
> > > > 
> > > > Signed-off-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx>
> > > > Reviewed-by: Mark Gross <markgross@xxxxxxxxxx>
> > > > ---
> > > > V2
> > > >   - No changes
> > > > 
> > > >  include/linux/auxiliary_bus.h | 10 ++++++++++
> > > >  1 file changed, 10 insertions(+)
> > > 
> > > I would really like to see an explanation why such obfuscation is really
> > > needed. dev_*_drvdata() is a standard way to access driver data.
> 
> I wouldn't call it obfuscation, but it does looks like abstraction for
> the sake of abstraction, which I usually push back on.  What are the
> technical benefits over using the dev_*() variant?

You can see it in Greg's answer, there is no technical benefits in any
variant. It is simple copy/paste pattern from other buses.

Maybe it is not clear from my response, I don't care if this patch is
going to be applied or not, but I would like to hear someone explains
to me what are the benefits of such one liners.

Thanks



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