[PATCH 2/2 v2] fb: fix atyfb unused data warnings

[Randy Dunlap]

From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Fix compiler warnings of data defined but not used by using the
__maybe_unused attribute.  The date are only used with certain kconfig
settings.

drivers/video/aty/atyfb_base.c:534:13: warning: 'ram_dram' defined but not used [-Wunused-variable]
drivers/video/aty/atyfb_base.c:535:13: warning: 'ram_resv' defined but not used [-Wunused-variable]

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc:	Paul Mackerras <paulus@xxxxxxxxx>
Cc:	Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc:	linux-fbdev@xxxxxxxxxxxxxxx
Cc:	Jean-Christophe Plagniol-Villard <plagnioj@xxxxxxxxxxxx>
Cc:	Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
 drivers/video/aty/atyfb_base.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- lnx-310-rc7.orig/drivers/video/aty/atyfb_base.c
+++ lnx-310-rc7/drivers/video/aty/atyfb_base.c
@@ -58,6 +58,7 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/delay.h>
+#include <linux/compiler.h>
 #include <linux/console.h>
 #include <linux/fb.h>
 #include <linux/init.h>
@@ -531,8 +532,8 @@ static int correct_chipset(struct atyfb_
 	return 0;
 }
 
-static char ram_dram[] = "DRAM";
-static char ram_resv[] = "RESV";
+static char ram_dram[] __maybe_unused = "DRAM";
+static char ram_resv[] __maybe_unused = "RESV";
 #ifdef CONFIG_FB_ATY_GX
 static char ram_vram[] = "VRAM";
 #endif /* CONFIG_FB_ATY_GX */
--
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