MX_TX_RX_LEN      127 drivers/i2c/busses/i2c-qup.c #define MX_BLOCKS			(MX_TX_RX_LEN / QUP_READ_LIMIT)
MX_TX_RX_LEN      129 drivers/i2c/busses/i2c-qup.c #define MX_DMA_TX_RX_LEN		(2 * MX_TX_RX_LEN)