linux-kernel - [PATCH] regulator: ltc3676: constify regulator

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Date:   Sat, 28 Jan 2017 19:45:02 +0530
From:   Bhumika Goyal <bhumirks@...il.com>
To:     julia.lawall@...6.fr, lgirdwood@...il.com, broonie@...nel.org,
        linux-kernel@...r.kernel.org
Cc:     Bhumika Goyal <bhumirks@...il.com>
Subject: [PATCH] regulator: ltc3676: constify regulator_ops structure

Declare regulator_ops structure as const as it is only stored in the ops
field of a regulator_desc structure. This field is of type const, so
regulator_ops structures having this property can be made const too.

File size before: drivers/regulator/ltc3676.o
   text	   data	    bss	    dec	    hex	filename
   2369	   2808	    288	   5465	   1559	drivers/regulator/ltc3676.o

File size after: drivers/regulator/ltc3676.o
   text	   data	    bss	    dec	    hex	filename
   3145	   2296	      8	   5449	   1549	drivers/regulator/ltc3676.o

Signed-off-by: Bhumika Goyal <bhumirks@...il.com>
---
 drivers/regulator/ltc3676.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/regulator/ltc3676.c b/drivers/regulator/ltc3676.c
index e2b476c..503cd90 100644
--- a/drivers/regulator/ltc3676.c
+++ b/drivers/regulator/ltc3676.c
@@ -161,7 +161,7 @@ static int ltc3676_of_parse_cb(struct device_node *np,
 }
 
 /* SW1, SW2, SW3, SW4 linear 0.8V-3.3V with scalar via R1/R2 feeback res */
-static struct regulator_ops ltc3676_linear_regulator_ops = {
+static const struct regulator_ops ltc3676_linear_regulator_ops = {
 	.enable = regulator_enable_regmap,
 	.disable = regulator_disable_regmap,
 	.is_enabled = regulator_is_enabled_regmap,
@@ -173,11 +173,11 @@ static int ltc3676_of_parse_cb(struct device_node *np,
 };
 
 /* LDO1 always on fixed 0.8V-3.3V via scalar via R1/R2 feeback res */
-static struct regulator_ops ltc3676_fixed_standby_regulator_ops = {
+static const struct regulator_ops ltc3676_fixed_standby_regulator_ops = {
 };
 
 /* LDO2, LDO3 fixed (LDO2 has external scalar via R1/R2 feedback res) */
-static struct regulator_ops ltc3676_fixed_regulator_ops = {
+static const struct regulator_ops ltc3676_fixed_regulator_ops = {
 	.enable = regulator_enable_regmap,
 	.disable = regulator_disable_regmap,
 	.is_enabled = regulator_is_enabled_regmap,
-- 
1.9.1