[PATCH] drm/omap: constify attribute_group structures.

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attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/sysfs.h> work with const
attribute_group. So mark the non-const structs as const.

File size before:
   text	   data	    bss	    dec	    hex	filename
   2673	    368	      0	   3041	    be1	panel-tpo-td043mtea1.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   2721	    304	      0	   3025	    bd1	panel-tpo-td043mtea1.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
 drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
index 0787dba..b2a9946 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
@@ -284,7 +284,7 @@ static DEVICE_ATTR(gamma, S_IRUGO | S_IWUSR,
 	NULL,
 };
 
-static struct attribute_group tpo_td043_attr_group = {
+static const struct attribute_group tpo_td043_attr_group = {
 	.attrs = tpo_td043_attrs,
 };
 
-- 
1.9.1

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