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Date:   Fri, 21 Aug 2020 17:56:50 +0200
From:   Sam Ravnborg <sam@ravnborg.org>
To:     Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Neil Armstrong <narmstrong@baylibre.com>,
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Subject: Re: [PATCH 00/49] DRM driver for Hikey 970
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Hi Mauro.

On Fri, Aug 21, 2020 at 04:41:58PM +0200, Mauro Carvalho Chehab wrote:
> Another quick question:
> 
> Em Wed, 19 Aug 2020 19:35:58 +0200
> Sam Ravnborg <sam@ravnborg.org> escreveu:
> 
> > > +#define DSS_REDUCE(x)	((x) > 0 ? ((x) - 1) : (x))  
> > Use generic macros for this?
> 
> Do you know a generic macro similar to this? Or do you mean adding
> it to include/kernel.h?

It looked like something there should be a macro for.
But I do not know one.

And no, do not try to go the kernel.h route on this.
At least not until you see more than one user.

	Sam