diff options
| author | Matt Johnston <matt@codeconstruct.com.au> | 2021-11-15 10:49:24 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-11-15 14:11:24 +0000 |
| commit | 3ef2de27a05a2dc7425431d9aa780e08e56ddb7f (patch) | |
| tree | c25098cf89b8797daa54bfe1922c6fcfda0a8cd1 /drivers/i2c | |
| parent | 1b2ba1f591c9d083cc1928f8337fcbf6a749e935 (diff) | |
i2c: npcm7xx: Allow 255 byte block SMBus transfers
255 byte support has been tested on a npcm750 board
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Reviewed-by: Tali Perry <tali.perry1@gmail.com>
Reviewed-by: Patrick Venture <venture@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-npcm7xx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c index 2ad166355ec9..6d60f65add85 100644 --- a/drivers/i2c/busses/i2c-npcm7xx.c +++ b/drivers/i2c/busses/i2c-npcm7xx.c @@ -1399,7 +1399,7 @@ static void npcm_i2c_irq_master_handler_read(struct npcm_i2c *bus) if (bus->read_block_use) { /* first byte in block protocol is the size: */ data = npcm_i2c_rd_byte(bus); - data = clamp_val(data, 1, I2C_SMBUS_BLOCK_MAX); + data = clamp_val(data, 1, I2C_SMBUS_V3_BLOCK_MAX); bus->rd_size = data + block_extra_bytes_size; bus->rd_buf[bus->rd_ind++] = data; @@ -2187,6 +2187,7 @@ static u32 npcm_i2c_functionality(struct i2c_adapter *adap) I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_SMBUS_PEC | + I2C_FUNC_SMBUS_V3_BLOCK | I2C_FUNC_SLAVE; } |