diff options
| author | Matt Johnston <matt@codeconstruct.com.au> | 2021-11-15 05:49:23 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-11-15 17:11:24 +0300 |
| commit | 1b2ba1f591c9d083cc1928f8337fcbf6a749e935 (patch) | |
| tree | dac057d11ff0ac506b56ad1088e4c794f8fcf62d /drivers | |
| parent | 84a107e68b34217eff536e81a6a6f419ee0d0f7e (diff) | |
| download | linux-1b2ba1f591c9d083cc1928f8337fcbf6a749e935.tar.xz | |
i2c: aspeed: Allow 255 byte block transfers
255 byte transfers have been tested on an AST2500 board
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/busses/i2c-aspeed.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index 67e8b97c0c95..7395f3702fae 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -533,7 +533,7 @@ static u32 aspeed_i2c_master_irq(struct aspeed_i2c_bus *bus, u32 irq_status) msg->buf[bus->buf_index++] = recv_byte; if (msg->flags & I2C_M_RECV_LEN) { - if (unlikely(recv_byte > I2C_SMBUS_BLOCK_MAX)) { + if (unlikely(recv_byte > I2C_SMBUS_V3_BLOCK_MAX)) { bus->cmd_err = -EPROTO; aspeed_i2c_do_stop(bus); goto out_no_complete; @@ -718,7 +718,8 @@ static int aspeed_i2c_master_xfer(struct i2c_adapter *adap, static u32 aspeed_i2c_functionality(struct i2c_adapter *adap) { - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_BLOCK_DATA; + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | + I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_SMBUS_V3_BLOCK; } #if IS_ENABLED(CONFIG_I2C_SLAVE) |