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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>,
	 Tudor Ambarus <tudor.ambarus@linaro.org>,
	 Pratyush Yadav <pratyush@kernel.org>,
	Michael Walle <michael@walle.cc>,
	 <linux-mtd@lists.infradead.org>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	<linux-kernel@vger.kernel.org>,  Steam Lin <stlin2@winbond.com>,
	 Jean Delvare <jdelvare@suse.de>,
	 kernel test robot <lkp@intel.com>,
	stable@vger.kernel.org
Subject: Re: [PATCH] mtd: spinand: Fix build with gcc < 7.5
Date: Mon, 07 Apr 2025 09:16:59 +0200	[thread overview]
Message-ID: <87ikngh250.fsf@bootlin.com> (raw)
In-Reply-To: <20250401133637.219618-1-miquel.raynal@bootlin.com> (Miquel Raynal's message of "Tue, 1 Apr 2025 15:36:37 +0200")

Hello,

On 01/04/2025 at 15:36:37 +02, Miquel Raynal <miquel.raynal@bootlin.com> wrote:

> __VA_OPT__ is a macro that is useful when some arguments can be present
> or not to entirely skip some part of a definition. Unfortunately, it
> is a too recent addition that some of the still supported old GCC
> versions do not know about, and is anyway not part of C11 that is the
> version used in the kernel.
>
> Find a trick to remove this macro, typically '__VA_ARGS__ + 0' is a
> workaround used in netlink.h which works very well here, as we either
> expect:
> - 0
> - A positive value
> - No value, which means the field should be 0.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202503181330.YcDXGy7F-lkp@intel.com/
> Fixes: 7ce0d16d5802 ("mtd: spinand: Add an optional frequency to read from cache macros")
> Cc: stable@vger.kernel.org
> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

Applied on top of mtd/fixes with an unrelated conflict resolved.

Thanks,
Miquèl

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>,
	 Tudor Ambarus <tudor.ambarus@linaro.org>,
	 Pratyush Yadav <pratyush@kernel.org>,
	Michael Walle <michael@walle.cc>,
	 <linux-mtd@lists.infradead.org>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	<linux-kernel@vger.kernel.org>,  Steam Lin <stlin2@winbond.com>,
	 Jean Delvare <jdelvare@suse.de>,
	 kernel test robot <lkp@intel.com>,
	stable@vger.kernel.org
Subject: Re: [PATCH] mtd: spinand: Fix build with gcc < 7.5
Date: Mon, 07 Apr 2025 09:16:59 +0200	[thread overview]
Message-ID: <87ikngh250.fsf@bootlin.com> (raw)
In-Reply-To: <20250401133637.219618-1-miquel.raynal@bootlin.com> (Miquel Raynal's message of "Tue, 1 Apr 2025 15:36:37 +0200")

Hello,

On 01/04/2025 at 15:36:37 +02, Miquel Raynal <miquel.raynal@bootlin.com> wrote:

> __VA_OPT__ is a macro that is useful when some arguments can be present
> or not to entirely skip some part of a definition. Unfortunately, it
> is a too recent addition that some of the still supported old GCC
> versions do not know about, and is anyway not part of C11 that is the
> version used in the kernel.
>
> Find a trick to remove this macro, typically '__VA_ARGS__ + 0' is a
> workaround used in netlink.h which works very well here, as we either
> expect:
> - 0
> - A positive value
> - No value, which means the field should be 0.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202503181330.YcDXGy7F-lkp@intel.com/
> Fixes: 7ce0d16d5802 ("mtd: spinand: Add an optional frequency to read from cache macros")
> Cc: stable@vger.kernel.org
> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

Applied on top of mtd/fixes with an unrelated conflict resolved.

Thanks,
Miquèl

  parent reply	other threads:[~2025-04-07  7:22 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-01 13:36 [PATCH] mtd: spinand: Fix build with gcc < 7.5 Miquel Raynal
2025-04-01 13:36 ` Miquel Raynal
2025-04-03 10:52 ` Jean Delvare
2025-04-03 10:52   ` Jean Delvare
2025-04-07  7:16 ` Miquel Raynal [this message]
2025-04-07  7:16   ` Miquel Raynal

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