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| author | Sowjanya Komatineni <skomatineni@nvidia.com> | 2019-02-12 22:06:44 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2019-02-14 19:47:58 +0300 |
| commit | f4e3f4ae1d9c9330de355f432b69952e8cef650c (patch) | |
| tree | 532e0d5dc2e317f3620ff35e21b8ecd8a3d6be3a | |
| parent | ce9562424501dee2ce44e6f22d8c9e82917f40d1 (diff) | |
| download | linux-f4e3f4ae1d9c9330de355f432b69952e8cef650c.tar.xz | |
i2c: tegra: fix maximum transfer size
Tegra186 and prior supports maximum 4K bytes per packet transfer
including 12 bytes of packet header.
This patch fixes max write length limit to account packet header
size for transfers.
Cc: stable@vger.kernel.org # 4.4+
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index a46446dbc48a..036cab795426 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -901,7 +901,7 @@ static const struct i2c_algorithm tegra_i2c_algo = { static const struct i2c_adapter_quirks tegra_i2c_quirks = { .flags = I2C_AQ_NO_ZERO_LEN, .max_read_len = 4096, - .max_write_len = 4096, + .max_write_len = 4096 - 12, }; static const struct i2c_adapter_quirks tegra194_i2c_quirks = { |