From f7482d8285b638be87a594a30edaaf1341135c1a Mon Sep 17 00:00:00 2001 From: Krishna Yarlagadda Date: Thu, 23 Feb 2023 21:56:34 +0530 Subject: [PATCH] spi: tegra210-quad: set half duplex flag Tegra QSPI controller only supports half duplex transfers. Set half duplex constrain flag. Signed-off-by: Krishna Yarlagadda Link: https://lore.kernel.org/r/20230223162635.19747-3-kyarlagadda@nvidia.com Signed-off-by: Mark Brown --- drivers/spi/spi-tegra210-quad.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-tegra210-quad.c b/drivers/spi/spi-tegra210-quad.c index 9f356612b..258e3b8 100644 --- a/drivers/spi/spi-tegra210-quad.c +++ b/drivers/spi/spi-tegra210-quad.c @@ -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; -- 2.7.4