regmap: Constify static regmap_bus structs

The only usage of these is to pass their address to __regmap_init() or
__devm_regmap_init(), both which takes pointers to const struct
regmap_bus. Make them const to allow the compiler to put them in
read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20220330214110.36337-1-rikard.falkeborn@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/base/regmap/regmap-i3c.c b/drivers/base/regmap/regmap-i3c.c
index 1578fb5..0328b0b 100644 (file)
--- a/drivers/base/regmap/regmap-i3c.c
+++ b/drivers/base/regmap/regmap-i3c.c
@@ -40,7 +40,7 @@ static int regmap_i3c_read(void *context,
        return i3c_device_do_priv_xfers(i3c, xfers, 2);
 }
 
-static struct regmap_bus regmap_i3c = {
+static const struct regmap_bus regmap_i3c = {
        .write = regmap_i3c_write,
        .read = regmap_i3c_read,
 };

diff --git a/drivers/base/regmap/regmap-sccb.c b/drivers/base/regmap/regmap-sccb.c
index 597042e..986af26 100644 (file)
--- a/drivers/base/regmap/regmap-sccb.c
+++ b/drivers/base/regmap/regmap-sccb.c
@@ -80,7 +80,7 @@ static int regmap_sccb_write(void *context, unsigned int reg, unsigned int val)
        return i2c_smbus_write_byte_data(i2c, reg, val);
 }
 
-static struct regmap_bus regmap_sccb_bus = {
+static const struct regmap_bus regmap_sccb_bus = {
        .reg_write = regmap_sccb_write,
        .reg_read = regmap_sccb_read,
 };

diff --git a/drivers/base/regmap/regmap-sdw-mbq.c b/drivers/base/regmap/regmap-sdw-mbq.c
index fe3ac26..388c3a0 100644 (file)
--- a/drivers/base/regmap/regmap-sdw-mbq.c
+++ b/drivers/base/regmap/regmap-sdw-mbq.c
@@ -42,7 +42,7 @@ static int regmap_sdw_mbq_read(void *context, unsigned int reg, unsigned int *va
        return 0;
 }
 
-static struct regmap_bus regmap_sdw_mbq = {
+static const struct regmap_bus regmap_sdw_mbq = {
        .reg_read = regmap_sdw_mbq_read,
        .reg_write = regmap_sdw_mbq_write,
        .reg_format_endian_default = REGMAP_ENDIAN_LITTLE,

diff --git a/drivers/base/regmap/regmap-sdw.c b/drivers/base/regmap/regmap-sdw.c
index 966de8a..81b0327 100644 (file)
--- a/drivers/base/regmap/regmap-sdw.c
+++ b/drivers/base/regmap/regmap-sdw.c
@@ -30,7 +30,7 @@ static int regmap_sdw_read(void *context, unsigned int reg, unsigned int *val)
        return 0;
 }
 
-static struct regmap_bus regmap_sdw = {
+static const struct regmap_bus regmap_sdw = {
        .reg_read = regmap_sdw_read,
        .reg_write = regmap_sdw_write,
        .reg_format_endian_default = REGMAP_ENDIAN_LITTLE,

diff --git a/drivers/base/regmap/regmap-slimbus.c b/drivers/base/regmap/regmap-slimbus.c
index 0968059..8075db7 100644 (file)
--- a/drivers/base/regmap/regmap-slimbus.c
+++ b/drivers/base/regmap/regmap-slimbus.c
@@ -22,7 +22,7 @@ static int regmap_slimbus_read(void *context, const void *reg, size_t reg_size,
        return slim_read(sdev, *(u16 *)reg, val_size, val);
 }
 
-static struct regmap_bus regmap_slimbus_bus = {
+static const struct regmap_bus regmap_slimbus_bus = {
        .write = regmap_slimbus_write,
        .read = regmap_slimbus_read,
        .reg_format_endian_default = REGMAP_ENDIAN_LITTLE,

diff --git a/drivers/base/regmap/regmap-w1.c b/drivers/base/regmap/regmap-w1.c
index 1fbaaad..3a8b402 100644 (file)
--- a/drivers/base/regmap/regmap-w1.c
+++ b/drivers/base/regmap/regmap-w1.c
@@ -172,17 +172,17 @@ static int w1_reg_a16_v16_write(void *context, unsigned int reg,
  * Various types of supported bus addressing
  */
 
-static struct regmap_bus regmap_w1_bus_a8_v8 = {
+static const struct regmap_bus regmap_w1_bus_a8_v8 = {
        .reg_read = w1_reg_a8_v8_read,
        .reg_write = w1_reg_a8_v8_write,
 };
 
-static struct regmap_bus regmap_w1_bus_a8_v16 = {
+static const struct regmap_bus regmap_w1_bus_a8_v16 = {
        .reg_read = w1_reg_a8_v16_read,
        .reg_write = w1_reg_a8_v16_write,
 };
 
-static struct regmap_bus regmap_w1_bus_a16_v16 = {
+static const struct regmap_bus regmap_w1_bus_a16_v16 = {
        .reg_read = w1_reg_a16_v16_read,
        .reg_write = w1_reg_a16_v16_write,
 };