Unverified Commit cc1b69fc authored Apr 15, 2019 by Sowjanya Komatineni Committed by Mark Brown May 02, 2019

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 <skomatineni@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

parent 29f21337

drivers/spi/spi-tegra114.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -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;
		}

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