[PATCH 1/8] spi: spi-s3c64xx: swap s3c64xx_spi_set_cs() and s3c64xx_enable_datapath()

From: Łukasz Stelmach
Date: Wed Aug 19 2020 - 08:32:48 EST


Fix issues with DMA transfers bigger than 512 on Exynos3250.

Signed-off-by: Łukasz Stelmach <l.stelmach@xxxxxxxxxxx>
---
drivers/spi/spi-s3c64xx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index cf67ea60dc0e..fb5e2ba4b6b9 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -678,11 +678,11 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master,
sdd->state &= ~RXBUSY;
sdd->state &= ~TXBUSY;

- s3c64xx_enable_datapath(sdd, xfer, use_dma);
-
/* Start the signals */
s3c64xx_spi_set_cs(spi, true);

+ s3c64xx_enable_datapath(sdd, xfer, use_dma);
+
spin_unlock_irqrestore(&sdd->lock, flags);

if (use_dma)
--
2.26.2