Commit f4e3f4ae authored Feb 12, 2019 by Sowjanya Komatineni Committed by Wolfram Sang Feb 14, 2019

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>

parent ce956242

drivers/i2c/busses/i2c-tegra.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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 = {

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