| Message ID | 20200821161401.11307-3-l.stelmach@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2,1/9] spi: spi-s3c64xx: swap s3c64xx_spi_set_cs() and s3c64xx_enable_datapath() | expand |
On Fri, Aug 21, 2020 at 06:13:54PM +0200, Łukasz Stelmach wrote: > This and the previous patch fix issues with DMA transfers bigger than "Fix issues with DMA..." Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Best regards, Krzysztof > 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> > --- > drivers/spi/spi-s3c64xx.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c > index 26c7cb79cd78..22bf8c75580a 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 = { > -- > 2.26.2 >
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 26c7cb79cd78..22bf8c75580a 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 = {
This and the previous patch 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> --- drivers/spi/spi-s3c64xx.c | 1 + 1 file changed, 1 insertion(+)