diff options
Diffstat (limited to 'chip/stm32/i2c-stm32l.c')
| -rw-r--r-- | chip/stm32/i2c-stm32l.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/chip/stm32/i2c-stm32l.c b/chip/stm32/i2c-stm32l.c index 34a80c2b3e..e274207cb8 100644 --- a/chip/stm32/i2c-stm32l.c +++ b/chip/stm32/i2c-stm32l.c @@ -22,9 +22,6 @@ #define CPUTS(outstr) cputs(CC_I2C, outstr) #define CPRINTS(format, args...) cprints(CC_I2C, format, ## args) -/* Maximum transfer of a SMBUS block transfer */ -#define SMBUS_MAX_BLOCK 32 - #define I2C_ERROR_FAILED_START EC_ERROR_INTERNAL_FIRST /* @@ -367,38 +364,6 @@ int i2c_get_line_levels(int port) (i2c_raw_get_scl(port) ? I2C_LINE_SCL_HIGH : 0); } -int i2c_read_string(int port, int slave_addr, int offset, uint8_t *data, - int len) -{ - int rv; - uint8_t reg, block_length; - - /* - * TODO(crosbug.com/p/23569): when i2c_xfer() supports start/stop bits, - * merge this with the LM4 implementation and move to i2c_common.c. - */ - - if ((len <= 0) || (len > SMBUS_MAX_BLOCK)) - return EC_ERROR_INVAL; - - i2c_lock(port, 1); - - /* Read the counted string into the output buffer */ - reg = offset; - rv = i2c_xfer(port, slave_addr, ®, 1, data, len, I2C_XFER_SINGLE); - if (rv == EC_SUCCESS) { - /* Block length is the first byte of the returned buffer */ - block_length = MIN(data[0], len - 1); - - /* Move data down, then null-terminate it */ - memmove(data, data + 1, block_length); - data[block_length] = 0; - } - - i2c_lock(port, 0); - return rv; -} - /*****************************************************************************/ /* Hooks */ |