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Groups > linux.kernel > #1318027

[tip:irq/urgent] irqchip/s3c24xx: Mark init_eint as __maybe_unused

From tip-bot for Arnd Bergmann <tipbot@zytor.com>
Newsgroups linux.kernel
Subject [tip:irq/urgent] irqchip/s3c24xx: Mark init_eint as __maybe_unused
Date 2016-01-26 16:10 +0100
Message-ID <qVdpM-5RZ-15@gated-at.bofh.it> (permalink)
References <qURIF-68y-69@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Commit-ID:  eb249a11913d316fc1a27dd07a1e1e43bda9199d
Gitweb:     http://git.kernel.org/tip/eb249a11913d316fc1a27dd07a1e1e43bda9199d
Author:     Arnd Bergmann <arnd@arndb.de>
AuthorDate: Mon, 25 Jan 2016 16:58:08 +0100
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Tue, 26 Jan 2016 16:00:14 +0100

irqchip/s3c24xx: Mark init_eint as __maybe_unused

The init_eint array in the s3c24xx irqchip driver is used by
every individual chip variant, but Kconfig allows building
the driver when they are all disabled, and that leads to
a harmless compile-time warning:

drivers/irqchip/irq-s3c24xx.c:608:28: error: 'init_eint' defined but not used [-Werror=unused-variable]

This marks the array as __maybe_unused to avoid the warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1453737499-1960073-1-git-send-email-arnd@arndb.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 drivers/irqchip/irq-s3c24xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c
index c71914e..5dc5a76 100644
--- a/drivers/irqchip/irq-s3c24xx.c
+++ b/drivers/irqchip/irq-s3c24xx.c
@@ -605,7 +605,7 @@ err:
 	return ERR_PTR(ret);
 }
 
-static struct s3c_irq_data init_eint[32] = {
+static struct s3c_irq_data __maybe_unused init_eint[32] = {
 	{ .type = S3C_IRQTYPE_NONE, }, /* reserved */
 	{ .type = S3C_IRQTYPE_NONE, }, /* reserved */
 	{ .type = S3C_IRQTYPE_NONE, }, /* reserved */

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Thread

[PATCH] irqchip: s3c24xx: mark init_eint as __maybe_unused Arnd Bergmann <arnd@arndb.de> - 2016-01-25 17:00 +0100
  Re: [PATCH] irqchip: s3c24xx: mark init_eint as __maybe_unused Marc Zyngier <marc.zyngier@arm.com> - 2016-01-25 17:20 +0100
  [tip:irq/urgent] irqchip/s3c24xx:   Mark init_eint as __maybe_unused tip-bot for Arnd Bergmann <tipbot@zytor.com> - 2016-01-26 16:10 +0100

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