linux-kernel - [PATCH] pinctrl: rk805: Constify rk805_gpio

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Date:   Sat, 25 Apr 2020 22:38:13 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     linus.walleij@...aro.org, nishkadg.linux@...il.com,
        matti.vaittinen@...rohmeurope.com, chenjh@...k-chips.com,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH] pinctrl: rk805: Constify rk805_gpio_cfgs

Mark pin_cfg as const, allowing the compiler to put the struct in
.rodata instead of .data.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/pinctrl/pinctrl-rk805.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-rk805.c b/drivers/pinctrl/pinctrl-rk805.c
index cccbe072274e..c6f4229eb106 100644
--- a/drivers/pinctrl/pinctrl-rk805.c
+++ b/drivers/pinctrl/pinctrl-rk805.c
@@ -73,7 +73,7 @@ struct rk805_pctrl_info {
 	int num_pin_groups;
 	const struct pinctrl_pin_desc *pins;
 	unsigned int num_pins;
-	struct rk805_pin_config *pin_cfg;
+	const struct rk805_pin_config *pin_cfg;
 };
 
 enum rk805_pinmux_option {
@@ -121,7 +121,7 @@ static const struct rk805_pin_group rk805_pin_groups[] = {
 #define RK805_GPIO0_VAL_MSK	BIT(0)
 #define RK805_GPIO1_VAL_MSK	BIT(1)
 
-static struct rk805_pin_config rk805_gpio_cfgs[] = {
+static const struct rk805_pin_config rk805_gpio_cfgs[] = {
 	{
 		.reg = RK805_OUT_REG,
 		.val_msk = RK805_GPIO0_VAL_MSK,
-- 
2.26.2