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path: root/drivers/base/regmap/regmap-i2c.c
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Diffstat (limited to 'drivers/base/regmap/regmap-i2c.c')
-rw-r--r--drivers/base/regmap/regmap-i2c.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/base/regmap/regmap-i2c.c b/drivers/base/regmap/regmap-i2c.c
index 980e5ce6a3a3..3ec611dc0c09 100644
--- a/drivers/base/regmap/regmap-i2c.c
+++ b/drivers/base/regmap/regmap-i2c.c
@@ -242,8 +242,8 @@ static int regmap_i2c_smbus_i2c_read(void *context, const void *reg,
static const struct regmap_bus regmap_i2c_smbus_i2c_block = {
.write = regmap_i2c_smbus_i2c_write,
.read = regmap_i2c_smbus_i2c_read,
- .max_raw_read = I2C_SMBUS_BLOCK_MAX,
- .max_raw_write = I2C_SMBUS_BLOCK_MAX,
+ .max_raw_read = I2C_SMBUS_BLOCK_MAX - 1,
+ .max_raw_write = I2C_SMBUS_BLOCK_MAX - 1,
};
static int regmap_i2c_smbus_i2c_write_reg16(void *context, const void *data,
@@ -299,8 +299,8 @@ static int regmap_i2c_smbus_i2c_read_reg16(void *context, const void *reg,
static const struct regmap_bus regmap_i2c_smbus_i2c_block_reg16 = {
.write = regmap_i2c_smbus_i2c_write_reg16,
.read = regmap_i2c_smbus_i2c_read_reg16,
- .max_raw_read = I2C_SMBUS_BLOCK_MAX,
- .max_raw_write = I2C_SMBUS_BLOCK_MAX,
+ .max_raw_read = I2C_SMBUS_BLOCK_MAX - 2,
+ .max_raw_write = I2C_SMBUS_BLOCK_MAX - 2,
};
static const struct regmap_bus *regmap_get_i2c_bus(struct i2c_client *i2c,