[RFT PATCH v3 10/27] docs: driver-api: device-io: Document ioremap() variants & access funcs

Arnd Bergmann arnd at kernel.org
Fri Mar 5 15:51:08 GMT 2021


On Fri, Mar 5, 2021 at 4:09 PM Andy Shevchenko
<andy.shevchenko at gmail.com> wrote:
> On Fri, Mar 5, 2021 at 12:25 PM Linus Walleij <linus.walleij at linaro.org> wrote:
> > On Thu, Mar 4, 2021 at 10:40 PM Hector Martin <marcan at marcan.st> wrote:
> >
> > > This documents the newly introduced ioremap_np() along with all the
> > > other common ioremap() variants, and some higher-level abstractions
> > > available.
> > >
> > > Signed-off-by: Hector Martin <marcan at marcan.st>
> >
> > I like this, I just want one change:
> >
> > Put the common ioremap() on top in all paragraphs, so the norm
> > comes before the exceptions.
> >
> > I.e. it is weird to mention ioremap_np() before mentioning ioremap().
>
> +1 here. That is what I have stumbled upon reading carefully.

In that case, the order should probably be:

ioremap
ioremap_wc
ioremap_wt
ioremap_np
ioremap_uc
ioremap_cache

Going from most common to least common, rather than going from
strongest to weakest.

       Arnd



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