linux-kernel - [PATCH v2 11/24] mfd: retu: Constify read-only regmap structs

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Message-Id: <20240704-mfd-const-regmap_config-v2-11-0c8785b1331d@gmail.com>
Date: Thu, 04 Jul 2024 19:23:21 +0200
From: Javier Carrasco <javier.carrasco.cruz@...il.com>
To: Support Opensource <support.opensource@...semi.com>, 
 Lee Jones <lee@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, 
 Matti Vaittinen <mazziesaccount@...il.com>, Xu Yilun <yilun.xu@...el.com>, 
 Tom Rix <trix@...hat.com>, Marek Vasut <marek.vasut+renesas@...il.com>, 
 Andy Shevchenko <andy@...nel.org>, Tony Lindgren <tony@...mide.com>, 
 Tim Harvey <tharvey@...eworks.com>, Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>
Cc: linux-kernel@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-renesas-soc@...r.kernel.org, 
 linux-omap@...r.kernel.org, 
 Javier Carrasco <javier.carrasco.cruz@...il.com>
Subject: [PATCH v2 11/24] mfd: retu: Constify read-only regmap structs

The regmap_bus, regmap_irq and regmap_irq_chip structs are not modified
and can be declared as const to move their data to a read-only section.

The pointer to reference the regmap_irq_chip structs has been converted
to const.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>
---
 drivers/mfd/retu-mfd.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/mfd/retu-mfd.c b/drivers/mfd/retu-mfd.c
index 9184e553fafd..1d43458b4938 100644
--- a/drivers/mfd/retu-mfd.c
+++ b/drivers/mfd/retu-mfd.c
@@ -65,13 +65,13 @@ static const struct mfd_cell retu_devs[] = {
 	}
 };
 
-static struct regmap_irq retu_irqs[] = {
+static const struct regmap_irq retu_irqs[] = {
 	[RETU_INT_PWR] = {
 		.mask = 1 << RETU_INT_PWR,
 	}
 };
 
-static struct regmap_irq_chip retu_irq_chip = {
+static const struct regmap_irq_chip retu_irq_chip = {
 	.name		= "RETU",
 	.irqs		= retu_irqs,
 	.num_irqs	= ARRAY_SIZE(retu_irqs),
@@ -101,13 +101,13 @@ static const struct mfd_cell tahvo_devs[] = {
 	},
 };
 
-static struct regmap_irq tahvo_irqs[] = {
+static const struct regmap_irq tahvo_irqs[] = {
 	[TAHVO_INT_VBUS] = {
 		.mask = 1 << TAHVO_INT_VBUS,
 	}
 };
 
-static struct regmap_irq_chip tahvo_irq_chip = {
+static const struct regmap_irq_chip tahvo_irq_chip = {
 	.name		= "TAHVO",
 	.irqs		= tahvo_irqs,
 	.num_irqs	= ARRAY_SIZE(tahvo_irqs),
@@ -120,7 +120,7 @@ static struct regmap_irq_chip tahvo_irq_chip = {
 static const struct retu_data {
 	char			*chip_name;
 	char			*companion_name;
-	struct regmap_irq_chip	*irq_chip;
+	const struct regmap_irq_chip	*irq_chip;
 	const struct mfd_cell	*children;
 	int			nchildren;
 } retu_data[] = {
@@ -216,7 +216,7 @@ static int retu_regmap_write(void *context, const void *data, size_t count)
 	return i2c_smbus_write_word_data(i2c, reg, val);
 }
 
-static struct regmap_bus retu_bus = {
+static const struct regmap_bus retu_bus = {
 	.read = retu_regmap_read,
 	.write = retu_regmap_write,
 	.val_format_endian_default = REGMAP_ENDIAN_NATIVE,

-- 
2.40.1