With the fast DMA bit set, the DMA will transfer twice as much data
per clock period to the AIC, so there is little point not to set it.
Signed-off-by: Paul Cercueil <p...@crapouillou.net>
Tested-by: Mathieu Malaterre <ma...@debian.org>
Reviewed-by: PrasannaKumar Muralidharan <prasannatsmku...@gmail.com>
---
drivers/dma/dma-jz4780.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
v2: No change
v3: No change
diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
index 88ce3f0157f6..3c9d3952e23a 100644
--- a/drivers/dma/dma-jz4780.c
+++ b/drivers/dma/dma-jz4780.c
@@ -52,6 +52,7 @@
#define JZ_DMA_DMAC_DMAE BIT(0)
#define JZ_DMA_DMAC_AR BIT(2)
#define JZ_DMA_DMAC_HLT BIT(3)
+#define JZ_DMA_DMAC_FAIC BIT(27)
#define JZ_DMA_DMAC_FMSC BIT(31)
#define JZ_DMA_DRT_AUTO 0x8
@@ -941,8 +942,8 @@ static int jz4780_dma_probe(struct platform_device *pdev)
* Also set the FMSC bit - it increases MSC performance, so it makes
* little sense not to enable it.
*/
- jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DMAC,
- JZ_DMA_DMAC_DMAE | JZ_DMA_DMAC_FMSC);
+ jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DMAC, JZ_DMA_DMAC_DMAE |
+ JZ_DMA_DMAC_FAIC | JZ_DMA_DMAC_FMSC);
if (jzdma->version == ID_JZ4780)
jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DMACP, 0);
--
2.11.0
