linux-kernel - [PATCH] video: fbdev: atmel: fix warning for const return value

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Message-Id: <1438011701-18423-1-git-send-email-robh@kernel.org>
Date:	Mon, 27 Jul 2015 10:41:41 -0500
From:	Rob Herring <robh@...nel.org>
To:	Tomi Valkeinen <tomi.valkeinen@...com>
Cc:	linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
Subject: [PATCH] video: fbdev: atmel: fix warning for const return value

A const on a return value is meaningless and generates a warning on some
versions of gcc:

drivers/video/fbdev/atmel_lcdfb.c:1003: warning: type qualifiers ignored on function return type

This was found on 0-day with avr32 builds with CONFIG_OF enabled, but
it doesn't seem to generate warnings for other arches.

Reported-by: Fengguang Wu <fengguang.wu@...el.com>
Signed-off-by: Rob Herring <robh@...nel.org>
Cc: Nicolas Ferre <nicolas.ferre@...el.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@...com>
---
 drivers/video/fbdev/atmel_lcdfb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c
index abadc49..66f4b70 100644
--- a/drivers/video/fbdev/atmel_lcdfb.c
+++ b/drivers/video/fbdev/atmel_lcdfb.c
@@ -999,7 +999,7 @@ static const char *atmel_lcdfb_wiring_modes[] = {
 	[ATMEL_LCDC_WIRING_RGB]	= "RGB",
 };
 
-const int atmel_lcdfb_get_of_wiring_modes(struct device_node *np)
+int atmel_lcdfb_get_of_wiring_modes(struct device_node *np)
 {
 	const char *mode;
 	int err, i;
-- 
2.1.0

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