linux-kernel - [PATCH] staging: iio: light: constify attribute

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Date:   Sat, 1 Apr 2017 07:58:56 +0530
From:   simran singhal <singhalsimran0@...il.com>
To:     jic23@...nel.org
Cc:     Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] staging: iio: light: constify attribute_group structures

As the event_attrs field of iio_info structures is constant, so these
attribute_group structures can also be declared constant.

File size before:
   text	   data	    bss	    dec	    hex	filename
  15064	   1528	      0	  16592	   40d0
drivers/staging/iio/light/tsl2x7x_core.o

File size after:
   text	   data	    bss	    dec	    hex	filename
  15192	   1400	      0	  16592	   40d0
drivers/staging/iio/light/tsl2x7x_core.o

Signed-off-by: simran singhal <singhalsimran0@...il.com>
---
 drivers/staging/iio/light/tsl2x7x_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/iio/light/tsl2x7x_core.c b/drivers/staging/iio/light/tsl2x7x_core.c
index 0490c1d..9a0046a 100644
--- a/drivers/staging/iio/light/tsl2x7x_core.c
+++ b/drivers/staging/iio/light/tsl2x7x_core.c
@@ -1676,7 +1676,7 @@ static const struct attribute_group tsl2X7X_device_attr_group_tbl[] = {
 	},
 };
 
-static struct attribute_group tsl2X7X_event_attr_group_tbl[] = {
+static const struct attribute_group tsl2X7X_event_attr_group_tbl[] = {
 	[ALS] = {
 		.attrs = tsl2X7X_ALS_event_attrs,
 		.name = "events",
-- 
2.7.4