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i2c: tegra: use core to detect 'no zero length' quirk 

And don't reimplement in the driver.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2018-07-23 22:26:12 +02:00 committed by Wolfram Sang
parent de82bb4318
commit c96c0f2683
1 changed files with 1 additions and 3 deletions
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4
drivers/i2c/busses/i2c-tegra.c
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@ -684,9 +684,6 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
tegra_i2c_flush_fifos(i2c_dev);
if (msg->len == 0)
return -EINVAL;
i2c_dev->msg_buf = msg->buf;
i2c_dev->msg_buf_remaining = msg->len;
i2c_dev->msg_err = I2C_ERR_NONE;
@ -831,6 +828,7 @@ static const struct i2c_algorithm tegra_i2c_algo = {
/* payload size is only 12 bit */
static const struct i2c_adapter_quirks tegra_i2c_quirks = {
.flags = I2C_AQ_NO_ZERO_LEN,
.max_read_len = 4096,
.max_write_len = 4096,
};