linux-kernel - [PATCH] mfd: Constify reg_sequence and regmap

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Message-ID: <20250528194416.567127-2-krzysztof.kozlowski@linaro.org>
Date: Wed, 28 May 2025 21:44:17 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: James Ogletree <jogletre@...nsource.cirrus.com>,
	Fred Treven <fred.treven@...rus.com>,
	Ben Bright <ben.bright@...rus.com>,
	Lee Jones <lee@...nel.org>,
	Matti Vaittinen <mazziesaccount@...il.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Andreas Kemnade <andreas@...nade.info>,
	Kevin Hilman <khilman@...libre.com>,
	Roger Quadros <rogerq@...nel.org>,
	Tony Lindgren <tony@...mide.com>,
	patches@...nsource.cirrus.com,
	linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] mfd: Constify reg_sequence and regmap_irq

Static 'struct reg_sequence' array, 'struct regmap_irq_sub_irq_map' and
'struct regmap_irq_chip ' are not modified so can be changed to const
for more safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/mfd/cs40l50-core.c | 2 +-
 drivers/mfd/rohm-bd71828.c | 2 +-
 drivers/mfd/tps65219.c     | 4 ++--
 drivers/mfd/twl6040.c      | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mfd/cs40l50-core.c b/drivers/mfd/cs40l50-core.c
index 4859a33777a0..c91bccda0858 100644
--- a/drivers/mfd/cs40l50-core.c
+++ b/drivers/mfd/cs40l50-core.c
@@ -52,7 +52,7 @@ static const struct regmap_irq cs40l50_reg_irqs[] = {
 		       CS40L50_GLOBAL_ERROR_MASK),
 };
 
-static struct regmap_irq_chip cs40l50_irq_chip = {
+static const struct regmap_irq_chip cs40l50_irq_chip = {
 	.name =		"cs40l50",
 	.status_base =	CS40L50_IRQ1_INT_1,
 	.mask_base =	CS40L50_IRQ1_MASK_1,
diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c
index 738d8b3b9ffe..47e574a57077 100644
--- a/drivers/mfd/rohm-bd71828.c
+++ b/drivers/mfd/rohm-bd71828.c
@@ -223,7 +223,7 @@ static unsigned int bit5_offsets[] = {3};		/* VSYS IRQ */
 static unsigned int bit6_offsets[] = {1, 2};		/* DCIN IRQ */
 static unsigned int bit7_offsets[] = {0};		/* BUCK IRQ */
 
-static struct regmap_irq_sub_irq_map bd718xx_sub_irq_offsets[] = {
+static const struct regmap_irq_sub_irq_map bd718xx_sub_irq_offsets[] = {
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit0_offsets),
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit1_offsets),
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit2_offsets),
diff --git a/drivers/mfd/tps65219.c b/drivers/mfd/tps65219.c
index fd390600fbf0..30bdd37413fd 100644
--- a/drivers/mfd/tps65219.c
+++ b/drivers/mfd/tps65219.c
@@ -238,7 +238,7 @@ static unsigned int tps65214_bit4_offsets[] = { TPS65214_REG_INT_BUCK_3_POS };
 static unsigned int tps65214_bit5_offsets[] = { TPS65214_REG_INT_LDO_1_2_POS };
 static unsigned int tps65214_bit7_offsets[] = { TPS65214_REG_INT_PB_POS };
 
-static struct regmap_irq_sub_irq_map tps65219_sub_irq_offsets[] = {
+static const struct regmap_irq_sub_irq_map tps65219_sub_irq_offsets[] = {
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit0_offsets),
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit1_offsets),
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit2_offsets),
@@ -249,7 +249,7 @@ static struct regmap_irq_sub_irq_map tps65219_sub_irq_offsets[] = {
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit7_offsets),
 };
 
-static struct regmap_irq_sub_irq_map tps65215_sub_irq_offsets[] = {
+static const struct regmap_irq_sub_irq_map tps65215_sub_irq_offsets[] = {
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit0_offsets),
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit1_offsets),
 	REGMAP_IRQ_MAIN_REG_OFFSET(bit2_offsets),
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index 218d6195fad2..562a0f939f6e 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -69,7 +69,7 @@ static const struct reg_default twl6040_defaults[] = {
 	{ 0x2E, 0x00 }, /* REG_STATUS	(ro) */
 };
 
-static struct reg_sequence twl6040_patch[] = {
+static const struct reg_sequence twl6040_patch[] = {
 	/*
 	 * Select I2C bus access to dual access registers
 	 * Interrupt register is cleared on read
-- 
2.45.2