Searched refs:tx_prologue (Results 1 - 1 of 1) sorted by relevance

/linux-master/drivers/spi/
H A Dspi-bcm2835.c97 * @tx_prologue: bytes transmitted without DMA if first TX sglist entry's
101 * @tx_spillover: whether @tx_prologue spills over to second TX sglist entry
132 int tx_prologue; member in struct:bcm2835_spi
493 bs->tx_prologue = 0;
498 bs->tx_prologue = sg_dma_len(&tfr->tx_sg.sgl[0]) & 3;
503 if (bs->rx_prologue > bs->tx_prologue) {
505 bs->tx_prologue = bs->rx_prologue;
507 bs->tx_prologue += 4;
514 /* rx_prologue > 0 implies tx_prologue > 0, so check only the latter */
515 if (!bs->tx_prologue)
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