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[v3,2/9] spi: spi-s3s64xx: Add S3C64XX_SPI_QUIRK_CS_AUTO for Exynos3250

Message ID 20201002122243.26849-3-l.stelmach@samsung.com (mailing list archive)
State Not Applicable
Headers show
Series [v3,1/9] spi: spi-s3c64xx: swap s3c64xx_spi_set_cs() and s3c64xx_enable_datapath() | expand

Commit Message

Łukasz Stelmach Oct. 2, 2020, 12:22 p.m. UTC
Fix issues with DMA transfers bigger than 512 bytes on Exynos3250. Without
the patches such transfers fail.

The vendor kernel for ARTIK5 handles CS in a simmilar way.

Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/spi/spi-s3c64xx.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 26c7cb79cd78..4a9ca9a99857 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1379,6 +1379,7 @@  static struct s3c64xx_spi_port_config exynos4_spi_port_config = {
 	.tx_st_done	= 25,
 	.high_speed	= true,
 	.clk_from_cmu	= true,
+	.quirks		= S3C64XX_SPI_QUIRK_CS_AUTO,
 };
 
 static struct s3c64xx_spi_port_config exynos7_spi_port_config = {