linux-kernel - [PATCH 5/6] iio: light: stk3310: Constify regmap

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Message-Id: <20200526210223.1672-6-rikard.falkeborn@gmail.com>
Date:   Tue, 26 May 2020 23:02:22 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 5/6] iio: light: stk3310: Constify regmap_config

stk3310_regmap_config is not modified and can be made const to allow the
compiler to put it in read-only memory.

Before:
   text    data     bss     dec     hex filename
  16027    5424     128   21579    544b drivers/iio/light/stk3310.o

After:
   text    data     bss     dec     hex filename
  16347    5104     128   21579    544b drivers/iio/light/stk3310.o

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/iio/light/stk3310.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
index 185c24a75ae6..9d1e503bc958 100644
--- a/drivers/iio/light/stk3310.c
+++ b/drivers/iio/light/stk3310.c
@@ -487,7 +487,7 @@ static bool stk3310_is_volatile_reg(struct device *dev, unsigned int reg)
 	}
 }
 
-static struct regmap_config stk3310_regmap_config = {
+static const struct regmap_config stk3310_regmap_config = {
 	.name = STK3310_REGMAP_NAME,
 	.reg_bits = 8,
 	.val_bits = 8,
-- 
2.26.2