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        Mon, 23 Jan 2023 20:29:42 +0200
Date:   Mon, 23 Jan 2023 20:29:41 +0200
From:   Andy Shevchenko <andy@kernel.org>
To:     Hans de Goede <hdegoede@redhat.com>
Cc:     Mauro Carvalho Chehab <mchehab@kernel.org>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Tsuchiya Yuto <kitakar@gmail.com>,
        Yury Luneff <yury.lunev@gmail.com>,
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        andrey.i.trufanov@gmail.com, Fabio Aiuto <fabioaiuto83@gmail.com>,
        linux-media@vger.kernel.org, linux-staging@lists.linux.dev,
        Brent Pappas <bpappas@pappasbrent.com>
Subject: Re: [PATCH 56/57] media: atomisp: pci: hive_isp_css_common: host:
 vmem: Replace SUBWORD macros with functions
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On Mon, Jan 23, 2023 at 08:27:37PM +0200, Andy Shevchenko wrote:
> On Mon, Jan 23, 2023 at 01:52:04PM +0100, Hans de Goede wrote:
> > From: Brent Pappas <bpappas@pappasbrent.com>
> > 
> > Replace the macros SUBWORD() and INV_SUBWORD() with functions to comply
> > with Linux coding style standards.

...

> > +static inline hive_uedge
> > +subword(hive_uedge w, unsigned int start, unsigned int end)
> > +{
> > +	return (w & (((1ULL << (end - 1)) - 1) << 1 | 1)) >> start;
> > +}
> 
> ...
> 
> > +static inline hive_uedge
> > +inv_subword(hive_uedge w, unsigned int start, unsigned int end)
> > +{
> > +	return w & (~(((1ULL << (end - 1)) - 1) << 1 | 1) | ((1ULL << start) - 1));
> > +}
> 
> ...
> 
> Brent, maybe you can look at these deeply and convert them to use GENMASK()
> instead? (It can be done as a followup patch, this one is fine)

Note, with such conversion done you may kill these macros and use GENMASK()
inline.

-- 
With Best Regards,
Andy Shevchenko