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Commit e7fb921d authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Mark Brown
Browse files

spi: rspi: Add DMA support for RSPI on RZ/A1H 



Enable DMA support for RSPI on r7s72100 (RZ/A1H).

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 4f12b5e5

drivers/spi/spi-rspi.c

+3 −0
Original line number Diff line number Diff line
@@ -625,6 +625,9 @@ static int rspi_rz_transfer_one(struct spi_master *master, 


	rspi_rz_receive_init(rspi);



	if (master->can_dma && __rspi_can_dma(rspi, xfer))

		return rspi_dma_transfer(rspi, &xfer->tx_sg, &xfer->rx_sg);



	ret = rspi_pio_transfer(rspi, xfer->tx_buf, xfer->rx_buf, xfer->len);

	if (ret < 0)

		return ret;