Unverified Commit 739062a9 authored by Jonathan Marek's avatar Jonathan Marek Committed by Mark Brown
Browse files

spi-geni-qcom: initialize mode related registers to 0 



setup_fifo_params assumes these will be zero, it won't write these
registers if the initial mode is zero.

Signed-off-by: default avatarJonathan Marek <jonathan@marek.ca>
Link: https://patch.msgid.link/20251120211204.24078-4-jonathan@marek.ca


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent fb2bbe38

drivers/spi/spi-geni-qcom.c

+6 −0
Original line number Diff line number Diff line
@@ -675,6 +675,12 @@ static int spi_geni_init(struct spi_geni_master *mas) 
	case 0:

		mas->cur_xfer_mode = GENI_SE_FIFO;

		geni_se_select_mode(se, GENI_SE_FIFO);

		/* setup_fifo_params assumes that these registers start with a zero value */

		writel(0, se->base + SE_SPI_LOOPBACK);

		writel(0, se->base + SE_SPI_DEMUX_SEL);

		writel(0, se->base + SE_SPI_CPHA);

		writel(0, se->base + SE_SPI_CPOL);

		writel(0, se->base + SE_SPI_DEMUX_OUTPUT_INV);

		ret = 0;

		break;

	}