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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2018-07-23 22:26:12 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2018-10-05 18:05:27 +0200 |
| commit | c96c0f2683804b710531e7b754dcd02b5ded6d4a (patch) | |
| tree | c8fb511923a87bb3e0db9cee1973137f81950334 /drivers/i2c | |
| parent | de82bb431855580ad659bfed3e858bd9dd12efd0 (diff) | |
| download | lwn-c96c0f2683804b710531e7b754dcd02b5ded6d4a.tar.gz lwn-c96c0f2683804b710531e7b754dcd02b5ded6d4a.zip | |
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>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 60c8561fbe65..437294ea2f0a 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -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, }; |