From cc1b69fc5f9f52cf18295db05cad57187cee1c1d Mon Sep 17 00:00:00 2001 From: Sowjanya Komatineni Date: Mon, 15 Apr 2019 14:30:26 -0700 Subject: spi: tegra114: fix PIO transfer This patch fixes PIO mode transfer to use PIO bit in SPI_COMMAND1 register. Current driver uses DMA_EN instead of PIO bit. Signed-off-by: Sowjanya Komatineni Signed-off-by: Mark Brown --- drivers/spi/spi-tegra114.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/spi/spi-tegra114.c') diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c index b57f10182fae..21e4fdad013f 100644 --- a/drivers/spi/spi-tegra114.c +++ b/drivers/spi/spi-tegra114.c @@ -641,8 +641,9 @@ static int tegra_spi_start_cpu_based_transfer( tspi->is_curr_dma_xfer = false; - val |= SPI_DMA_EN; - tegra_spi_writel(tspi, val, SPI_DMA_CTL); + val = tspi->command1_reg; + val |= SPI_PIO; + tegra_spi_writel(tspi, val, SPI_COMMAND1); return 0; } -- cgit v1.2.3