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@gmail.com>
Link: https://lore.kernel.org/r/20240704-mfd-const-regmap_config-v2-11-0c8785b1331d@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/mfd/retu-mfd.c b/drivers/mfd/retu-mfd.c
index 9184e553fafdde6d5f2c57196a90d15886171e2e..1d43458b4938a5d563c61ceca4eae3d1553feb49 100644 (file)
--- 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,