rx_prologue (reference) in projects: kernel - OpenGrok search results

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Searched refs:rx_prologue (Results 1 - 2 of 2) sorted by relevance

/kernel/linux/linux-5.10/drivers/spi/
H A D	spi-bcm2835.c	97 * @rx_prologue: bytes received without DMA if first RX sglist entry's 137 int rx_prologue; member 481 bs->rx_prologue = 0; in bcm2835_spi_transfer_prologue() 488 bs->rx_prologue = sg_dma_len(&tfr->rx_sg.sgl[0]) & 3; in bcm2835_spi_transfer_prologue() 490 if (bs->rx_prologue > bs->tx_prologue) { in bcm2835_spi_transfer_prologue() 492 bs->tx_prologue = bs->rx_prologue; in bcm2835_spi_transfer_prologue() 501 /* rx_prologue > 0 implies tx_prologue > 0, so check only the latter */ in bcm2835_spi_transfer_prologue() 506 if (bs->rx_prologue) { in bcm2835_spi_transfer_prologue() 507 bcm2835_wr(bs, BCM2835_SPI_DLEN, bs->rx_prologue); in bcm2835_spi_transfer_prologue() 510 bcm2835_wr_fifo_count(bs, bs->rx_prologue); in bcm2835_spi_transfer_prologue() [all...]
/kernel/linux/linux-6.6/drivers/spi/
H A D	spi-bcm2835.c	96 * @rx_prologue: bytes received without DMA if first RX sglist entry's 129 int rx_prologue; member 490 bs->rx_prologue = 0; in bcm2835_spi_transfer_prologue() 497 bs->rx_prologue = sg_dma_len(&tfr->rx_sg.sgl[0]) & 3; in bcm2835_spi_transfer_prologue() 499 if (bs->rx_prologue > bs->tx_prologue) { in bcm2835_spi_transfer_prologue() 501 bs->tx_prologue = bs->rx_prologue; in bcm2835_spi_transfer_prologue() 510 /* rx_prologue > 0 implies tx_prologue > 0, so check only the latter */ in bcm2835_spi_transfer_prologue() 515 if (bs->rx_prologue) { in bcm2835_spi_transfer_prologue() 516 bcm2835_wr(bs, BCM2835_SPI_DLEN, bs->rx_prologue); in bcm2835_spi_transfer_prologue() 519 bcm2835_wr_fifo_count(bs, bs->rx_prologue); in bcm2835_spi_transfer_prologue() [all...]

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