linux-kernel - Re: [PATCH v1 1/1] device property: Replace custom implementation of COUNT

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Date:   Fri, 29 Sep 2023 09:10:11 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>, tiwai@...e.com
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        llvm@...ts.linux.dev, alsa-devel@...a-project.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v1 1/1] device property: Replace custom implementation of COUNT_ARGS()

On Wed, Sep 20, 2023 at 9:50 AM Nick Desaulniers
<ndesaulniers@...gle.com> wrote:
>
> On Wed, Sep 20, 2023 at 8:38 AM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> >
> > Replace custom and non-portable implementation of COUNT_ARGS().
> >
> > Fixes: e64b674bc9d7 ("software node: implement reference properties")
> > Reported-by: Nick Desaulniers <ndesaulniers@...gle.com>
> > Closes: https://lore.kernel.org/r/ZQoILN6QCjzosCOs@google.com
>
> Thanks for the patch!
> Closes: https://github.com/ClangBuiltLinux/linux/issues/1935
> Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>
>
> Of course Linux would have a macro for this!  I should have known.
> Trying to wrap my head around it. Awesome

(resending as text/plain)

Can someone pick this up for linux-next?

CI for linux-next has been red for days over this.

>
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> > ---
> >  include/linux/property.h | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/include/linux/property.h b/include/linux/property.h
> > index 1684fca930f7..55c2692ffa8c 100644
> > --- a/include/linux/property.h
> > +++ b/include/linux/property.h
> > @@ -10,6 +10,7 @@
> >  #ifndef _LINUX_PROPERTY_H_
> >  #define _LINUX_PROPERTY_H_
> >
> > +#include <linux/args.h>
> >  #include <linux/bits.h>
> >  #include <linux/fwnode.h>
> >  #include <linux/stddef.h>
> > @@ -314,7 +315,7 @@ struct software_node_ref_args {
> >  #define SOFTWARE_NODE_REFERENCE(_ref_, ...)                    \
> >  (const struct software_node_ref_args) {                                \
> >         .node = _ref_,                                          \
> > -       .nargs = ARRAY_SIZE(((u64[]){ 0, ##__VA_ARGS__ })) - 1, \
> > +       .nargs = COUNT_ARGS(__VA_ARGS__),                       \
> >         .args = { __VA_ARGS__ },                                \
> >  }
> >
> > --
> > 2.40.0.1.gaa8946217a0b
> >
>
>
> --
> Thanks,
> ~Nick Desaulniers



-- 
Thanks,
~Nick Desaulniers