Unverified Commit f7482d82 authored by Krishna Yarlagadda's avatar Krishna Yarlagadda Committed by Mark Brown
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spi: tegra210-quad: set half duplex flag 



Tegra QSPI controller only supports half duplex transfers.
Set half duplex constrain flag.

Signed-off-by: default avatarKrishna Yarlagadda <kyarlagadda@nvidia.com>
Link: https://lore.kernel.org/r/20230223162635.19747-3-kyarlagadda@nvidia.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 078a5517

drivers/spi/spi-tegra210-quad.c

+1 −0
Original line number Diff line number Diff line
@@ -1532,6 +1532,7 @@ static int tegra_qspi_probe(struct platform_device *pdev) 
	master->mode_bits = SPI_MODE_0 | SPI_MODE_3 | SPI_CS_HIGH |

			    SPI_TX_DUAL | SPI_RX_DUAL | SPI_TX_QUAD | SPI_RX_QUAD;

	master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(16) | SPI_BPW_MASK(8);

	master->flags = SPI_CONTROLLER_HALF_DUPLEX;

	master->setup = tegra_qspi_setup;

	master->transfer_one_message = tegra_qspi_transfer_one_message;

	master->num_chipselect = 1;