Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19;
Date:   Wed, 30 Mar 2022 12:18:55 +0300
From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     Neil Armstrong <narmstrong@baylibre.com>
Cc:     Geert Uytterhoeven <geert@linux-m68k.org>,
        Qianggui Song <qianggui.song@amlogic.com>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Fabien Dessenne <fabien.dessenne@foss.st.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        "open list:ARM/Amlogic Meson..." <linux-amlogic@lists.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        openbmc@lists.ozlabs.org,
        Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
        linux-samsung-soc <linux-samsung-soc@vger.kernel.org>,
        linux-stm32@st-md-mailman.stormreply.com,
        Linus Walleij <linus.walleij@linaro.org>,
        Kevin Hilman <khilman@baylibre.com>,
        Jerome Brunet <jbrunet@baylibre.com>,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
        Andrew Lunn <andrew@lunn.ch>,
        Gregory Clement <gregory.clement@bootlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
        Avi Fishman <avifishman70@gmail.com>,
        Tomer Maimon <tmaimon77@gmail.com>,
        Tali Perry <tali.perry1@gmail.com>,
        Patrick Venture <venture@google.com>,
        Nancy Yuen <yuenn@google.com>,
        Benjamin Fair <benjaminfair@google.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Tomasz Figa <tomasz.figa@gmail.com>,
        Sylwester Nawrocki <s.nawrocki@samsung.com>,
        Alim Akhtar <alim.akhtar@samsung.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Bartosz Golaszewski <brgl@bgdev.pl>,
        Philipp Zabel <p.zabel@pengutronix.de>
Subject: Re: [PATCH v2 09/13] pinctrl: meson: Rename REG_* to MREG_*
Message-ID: <YkQgfwUs8KbhF/b/@smile.fi.intel.com>
References: <20220329152926.50958-1-andriy.shevchenko@linux.intel.com>
 <20220329152926.50958-10-andriy.shevchenko@linux.intel.com>
 <94e888fe-d8fc-5379-302f-66d64f2ae10b@baylibre.com>
 <YkM22GwhxV+YKl8l@smile.fi.intel.com>
 <CAMuHMdWVA834tkeag=WOnHFGuhwZ93PkrgO24OV69Fye1hruLw@mail.gmail.com>
 <1b0bc704-a740-ea15-1e90-166905be27d0@baylibre.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1b0bc704-a740-ea15-1e90-166905be27d0@baylibre.com>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
Precedence: bulk

On Wed, Mar 30, 2022 at 11:09:11AM +0200, Neil Armstrong wrote:
> On 30/03/2022 10:54, Geert Uytterhoeven wrote:
> > On Tue, Mar 29, 2022 at 6:47 PM Andy Shevchenko
> > <andriy.shevchenko@linux.intel.com> wrote:
> > > On Tue, Mar 29, 2022 at 06:13:19PM +0200, Neil Armstrong wrote:
> > > > On 29/03/2022 17:29, Andy Shevchenko wrote:

...

> > > > What error do you hit ?
> > > 
> > > arch/x86/include/asm/arch_hweight.h:9:17: error: expected identifier before string constant
> > > 9 | #define REG_OUT "a"
> > >    |                 ^~~
> > 
> > Perhaps REG_{OUT,IN} in arch/x86/include/asm/arch_hweight.h should be
> > renamed instead, as this is a generic header file that can be included
> > anywhere, while the REG_{OUT,IN} definitions are only used locally,
> > in the header file?
> 
> Even better, those REG_OUT/REG_IN should be undefined at the end of the header since only
> used in the headers inline functions:
> ==============><==================================
> diff --git a/arch/x86/include/asm/arch_hweight.h b/arch/x86/include/asm/arch_hweight.h
> index ba88edd0d58b..139a4b0a2a14 100644
> --- a/arch/x86/include/asm/arch_hweight.h
> +++ b/arch/x86/include/asm/arch_hweight.h
> @@ -52,4 +52,7 @@ static __always_inline unsigned long __arch_hweight64(__u64 w)
>  }
>  #endif /* CONFIG_X86_32 */
> 
> +#undef REG_IN
> +#undef REG_OUT
> +
>  #endif
> ==============><==================================

Can you submit a formal patch, please?


And I think it would be good to have my patch as well, so we do not depend on
the fate of the other one.

-- 
With Best Regards,
Andy Shevchenko