From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Nathan Chancellor <natechancellor@gmail.com>
Cc: Arnd Bergmann <arnd@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Nick Desaulniers <ndesaulniers@google.com>,
linux-kernel@vger.kernel.org, Nicolas Pitre <npitre@baylibre.com>,
clang-built-linux@googlegroups.com,
Boris Brezillon <boris.brezillon@collabora.com>,
linux-i3c@lists.infradead.org
Subject: Re: [PATCH] i3c/master/mipi-i3c-hci: re-fix __maybe_unused attribute
Date: Wed, 30 Dec 2020 23:00:38 +0100 [thread overview]
Message-ID: <20201230220038.GC110311@piout.net> (raw)
In-Reply-To: <20201230214321.GA1961980@ubuntu-m3-large-x86>
On 30/12/2020 14:43:21-0700, Nathan Chancellor wrote:
> On Wed, Dec 30, 2020 at 10:40:53PM +0100, Alexandre Belloni wrote:
> > On 30/12/2020 16:23:56-0500, Nicolas Pitre wrote:
> > > On Wed, 30 Dec 2020, Arnd Bergmann wrote:
> > >
> > > > From: Arnd Bergmann <arnd@arndb.de>
> > > >
> > > > clang warns because the added __maybe_unused attribute is in
> > > > the wrong place:
> > > >
> > > > drivers/i3c/master/mipi-i3c-hci/core.c:780:21: error: attribute declaration must precede definition [-Werror,-Wignored-attributes]
> > > > static const struct __maybe_unused of_device_id i3c_hci_of_match[] = {
> > > > ^
> > > > include/linux/compiler_attributes.h:267:56: note: expanded
> > > >
> > > > Fixes: 95393f3e07ab ("i3c/master/mipi-i3c-hci: quiet maybe-unused variable warning")
> > > > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> > >
> > > Acked-by: Nicolas Pitre <npitre@baylibre.com>
> > >
> > > This might be the 3rd patch from 3 different people fixing the same
> > > thing. Looks like I3C maintainer is on vacation. Please feel free to
> > > send this trivial fix upstream some other way.
> > >
> >
> > Isn't it already upstream?
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=95393f3e07ab53855b91881692a4a5b52dcdc03c
>
> This patch is fixing that one, the attribute was added between the
> struct type, causing a new warning for clang.
>
Ah yes, even after reading that 3 times, I got it wrong.
> I sent a fix for this earlier too, I do not care which one goes in as
> long as one does so:
>
> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
>
I was going to review and apply yours now that I have access to the i3c
repo. I must admit I didn't have a look at i3c patches until now and the
holiday season is not helping.
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
--
linux-i3c mailing list
linux-i3c@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-i3c
WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Nathan Chancellor <natechancellor@gmail.com>
Cc: Nicolas Pitre <npitre@baylibre.com>,
Arnd Bergmann <arnd@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Boris Brezillon <boris.brezillon@collabora.com>,
Arnd Bergmann <arnd@arndb.de>,
linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org,
clang-built-linux@googlegroups.com
Subject: Re: [PATCH] i3c/master/mipi-i3c-hci: re-fix __maybe_unused attribute
Date: Wed, 30 Dec 2020 23:00:38 +0100 [thread overview]
Message-ID: <20201230220038.GC110311@piout.net> (raw)
In-Reply-To: <20201230214321.GA1961980@ubuntu-m3-large-x86>
On 30/12/2020 14:43:21-0700, Nathan Chancellor wrote:
> On Wed, Dec 30, 2020 at 10:40:53PM +0100, Alexandre Belloni wrote:
> > On 30/12/2020 16:23:56-0500, Nicolas Pitre wrote:
> > > On Wed, 30 Dec 2020, Arnd Bergmann wrote:
> > >
> > > > From: Arnd Bergmann <arnd@arndb.de>
> > > >
> > > > clang warns because the added __maybe_unused attribute is in
> > > > the wrong place:
> > > >
> > > > drivers/i3c/master/mipi-i3c-hci/core.c:780:21: error: attribute declaration must precede definition [-Werror,-Wignored-attributes]
> > > > static const struct __maybe_unused of_device_id i3c_hci_of_match[] = {
> > > > ^
> > > > include/linux/compiler_attributes.h:267:56: note: expanded
> > > >
> > > > Fixes: 95393f3e07ab ("i3c/master/mipi-i3c-hci: quiet maybe-unused variable warning")
> > > > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> > >
> > > Acked-by: Nicolas Pitre <npitre@baylibre.com>
> > >
> > > This might be the 3rd patch from 3 different people fixing the same
> > > thing. Looks like I3C maintainer is on vacation. Please feel free to
> > > send this trivial fix upstream some other way.
> > >
> >
> > Isn't it already upstream?
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=95393f3e07ab53855b91881692a4a5b52dcdc03c
>
> This patch is fixing that one, the attribute was added between the
> struct type, causing a new warning for clang.
>
Ah yes, even after reading that 3 times, I got it wrong.
> I sent a fix for this earlier too, I do not care which one goes in as
> long as one does so:
>
> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
>
I was going to review and apply yours now that I have access to the i3c
repo. I must admit I didn't have a look at i3c patches until now and the
holiday season is not helping.
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2020-12-30 22:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-30 15:42 [PATCH] i3c/master/mipi-i3c-hci: re-fix __maybe_unused attribute Arnd Bergmann
2020-12-30 15:42 ` Arnd Bergmann
2020-12-30 21:23 ` Nicolas Pitre
2020-12-30 21:23 ` Nicolas Pitre
2020-12-30 21:40 ` Alexandre Belloni
2020-12-30 21:40 ` Alexandre Belloni
2020-12-30 21:43 ` Nathan Chancellor
2020-12-30 21:43 ` Nathan Chancellor
2020-12-30 22:00 ` Alexandre Belloni [this message]
2020-12-30 22:00 ` Alexandre Belloni
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