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5da4309f9e
In rk3x SOC, the I2C controller can receive/transmit up to 32 bytes data in one chunk, so the size of data to be write/read to/from TXDATAx/RXDATAx must be less than or equal 32 bytes at a time. Tested on rk3288-pinky board, elan receive 158 bytes data. Signed-off-by: Addy Ke <addy.ke@rock-chips.com> Acked-by: Max Schwarz <max.schwarz@online.de> Reviewed-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org