hc
2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da
kernel/drivers/base/regmap/regmap-i2c.c
....@@ -242,8 +242,8 @@
242242 static const struct regmap_bus regmap_i2c_smbus_i2c_block = {
243243 .write = regmap_i2c_smbus_i2c_write,
244244 .read = regmap_i2c_smbus_i2c_read,
245
- .max_raw_read = I2C_SMBUS_BLOCK_MAX,
246
- .max_raw_write = I2C_SMBUS_BLOCK_MAX,
245
+ .max_raw_read = I2C_SMBUS_BLOCK_MAX - 1,
246
+ .max_raw_write = I2C_SMBUS_BLOCK_MAX - 1,
247247 };
248248
249249 static int regmap_i2c_smbus_i2c_write_reg16(void *context, const void *data,
....@@ -299,8 +299,8 @@
299299 static const struct regmap_bus regmap_i2c_smbus_i2c_block_reg16 = {
300300 .write = regmap_i2c_smbus_i2c_write_reg16,
301301 .read = regmap_i2c_smbus_i2c_read_reg16,
302
- .max_raw_read = I2C_SMBUS_BLOCK_MAX,
303
- .max_raw_write = I2C_SMBUS_BLOCK_MAX,
302
+ .max_raw_read = I2C_SMBUS_BLOCK_MAX - 2,
303
+ .max_raw_write = I2C_SMBUS_BLOCK_MAX - 2,
304304 };
305305
306306 static const struct regmap_bus *regmap_get_i2c_bus(struct i2c_client *i2c,