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 <[email protected]> --- drivers/spi/spi-tegra114.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c index b8c6393e2190..b1f31bb16659 100644 --- a/drivers/spi/spi-tegra114.c +++ b/drivers/spi/spi-tegra114.c @@ -651,8 +651,9 @@ 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; } -- 2.7.4
