6 files changed, 7 insertions, 12 deletions
diff --git a/drivers/iio/chemical/atlas-ezo-sensor.c b/drivers/iio/chemical/atlas-ezo-sensor.c
index de0b87edd188..59f3a4fa9e9f 100644
--- a/drivers/iio/chemical/atlas-ezo-sensor.c
+++ b/drivers/iio/chemical/atlas-ezo-sensor.c
@@ -82,7 +82,7 @@ static const struct iio_chan_spec atlas_hum_ezo_channels[] = {
 	},
 };
 
-static struct atlas_ezo_device atlas_ezo_devices[] = {
+static const struct atlas_ezo_device atlas_ezo_devices[] = {
 	[ATLAS_CO2_EZO] = {
 		.channels = atlas_co2_ezo_channels,
 		.num_channels = 1,
diff --git a/drivers/iio/chemical/atlas-sensor.c b/drivers/iio/chemical/atlas-sensor.c
index cb6662b92137..1daaa36f87a9 100644
--- a/drivers/iio/chemical/atlas-sensor.c
+++ b/drivers/iio/chemical/atlas-sensor.c
@@ -24,7 +24,6 @@
 #include <linux/iio/triggered_buffer.h>
 #include <linux/pm_runtime.h>
 
-#define ATLAS_REGMAP_NAME	"atlas_regmap"
 #define ATLAS_DRV_NAME		"atlas"
 
 #define ATLAS_REG_DEV_TYPE		0x00
@@ -96,7 +95,7 @@ struct atlas_data {
 };
 
 static const struct regmap_config atlas_regmap_config = {
-	.name = ATLAS_REGMAP_NAME,
+	.name = "atlas_regmap",
 	.reg_bits = 8,
 	.val_bits = 8,
 };
diff --git a/drivers/iio/chemical/bme680_core.c b/drivers/iio/chemical/bme680_core.c
index 3e850562ab00..61d446fd456c 100644
--- a/drivers/iio/chemical/bme680_core.c
+++ b/drivers/iio/chemical/bme680_core.c
@@ -158,7 +158,7 @@ const struct regmap_config bme680_regmap_config = {
 	.val_bits = 8,
 	.max_register = 0xef,
 	.volatile_table = &bme680_volatile_table,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 };
 EXPORT_SYMBOL_NS(bme680_regmap_config, "IIO_BME680");
 
diff --git a/drivers/iio/chemical/scd30_core.c b/drivers/iio/chemical/scd30_core.c
index 8316720b1fa3..5df1926cd5d9 100644
--- a/drivers/iio/chemical/scd30_core.c
+++ b/drivers/iio/chemical/scd30_core.c
@@ -587,7 +587,7 @@ static irqreturn_t scd30_trigger_handler(int irq, void *p)
 	struct {
 		int data[SCD30_MEAS_COUNT];
 		aligned_s64 ts;
-	} scan;
+	} scan = { };
 	int ret;
 
 	mutex_lock(&state->lock);
@@ -595,7 +595,6 @@ static irqreturn_t scd30_trigger_handler(int irq, void *p)
 		ret = scd30_read_poll(state);
 	else
 		ret = scd30_read_meas(state);
-	memset(&scan, 0, sizeof(scan));
 	memcpy(scan.data, state->meas, sizeof(state->meas));
 	mutex_unlock(&state->lock);
 	if (ret)
diff --git a/drivers/iio/chemical/scd4x.c b/drivers/iio/chemical/scd4x.c
index 2463149519b6..8859f89fb2a9 100644
--- a/drivers/iio/chemical/scd4x.c
+++ b/drivers/iio/chemical/scd4x.c
@@ -665,10 +665,9 @@ static irqreturn_t scd4x_trigger_handler(int irq, void *p)
 	struct {
 		uint16_t data[3];
 		aligned_s64 ts;
-	} scan;
+	} scan = { };
 	int ret;
 
-	memset(&scan, 0, sizeof(scan));
 	mutex_lock(&state->lock);
 	ret = scd4x_read_poll(state, scan.data);
 	mutex_unlock(&state->lock);
diff --git a/drivers/iio/chemical/sunrise_co2.c b/drivers/iio/chemical/sunrise_co2.c
index af79efde37e8..158be9d798d2 100644
--- a/drivers/iio/chemical/sunrise_co2.c
+++ b/drivers/iio/chemical/sunrise_co2.c
@@ -51,13 +51,12 @@ static int sunrise_regmap_read(void *context, const void *reg_buf,
 {
 	struct i2c_client *client = context;
 	struct sunrise_dev *sunrise = i2c_get_clientdata(client);
-	union i2c_smbus_data data;
+	union i2c_smbus_data data = { };
 	int ret;
 
 	if (reg_size != 1 || !val_size)
 		return -EINVAL;
 
-	memset(&data, 0, sizeof(data));
 	data.block[0] = val_size;
 
 	/*
@@ -88,14 +87,13 @@ static int sunrise_regmap_write(void *context, const void *val_buf, size_t count
 {
 	struct i2c_client *client = context;
 	struct sunrise_dev *sunrise = i2c_get_clientdata(client);
-	union i2c_smbus_data data;
+	union i2c_smbus_data data = { };
 
 	/* Discard reg address from values count. */
 	if (!count)
 		return -EINVAL;
 	count--;
 
-	memset(&data, 0, sizeof(data));
 	data.block[0] = count;
 	memcpy(&data.block[1], (u8 *)val_buf + 1, count);