On 07/16/2016 10:13 AM, John Stultz wrote:
From: Andy Green <andy.gr...@linaro.org>
Max burst len is a 4-bit field, but at the moment it's clipped with
a 5-bit constant... reduce it to that which can be expressed
Cc: Zhangfei Gao <zhangfei....@linaro.org>
Cc: Jingoo Han <jg1....@samsung.com>
Cc: Krzysztof Kozlowski <k.kozlow...@samsung.com>
Cc: Maxime Ripard <maxime.rip...@free-electrons.com>
Cc: Vinod Koul <vinod.k...@intel.com>
Cc: Dan Williams <dan.j.willi...@intel.com>
Cc: Liam Girdwood <lgirdw...@gmail.com>
Cc: Mark Brown <broo...@kernel.org>
Cc: Jaroslav Kysela <pe...@perex.cz>
Cc: Takashi Iwai <ti...@suse.com>
Cc: Wei Xu <xuw...@hisilicon.com>
Cc: Rob Herring <robh...@kernel.org>
Cc: Andy Green <a...@warmcat.com>
Cc: Dave Long <dave.l...@linaro.org>
Cc: Guodong Xu <guodong...@linaro.org>
Signed-off-by: Andy Green <andy.gr...@linaro.org>
[jstultz: Forward ported to mainline]
Signed-off-by: John Stultz <john.stu...@linaro.org>
Acked-by: Zhangfei Gao <zhangfei....@linaro.org>
---
drivers/dma/k3dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c
index 1ba2fd7..d01a11d 100644
--- a/drivers/dma/k3dma.c
+++ b/drivers/dma/k3dma.c
@@ -552,7 +552,7 @@ static int k3_dma_config(struct dma_chan *chan,
c->ccfg |= (val << 12) | (val << 16);
if ((maxburst == 0) || (maxburst > 16))
- val = 16;
+ val = 15;
else
val = maxburst - 1;
c->ccfg |= (val << 20) | (val << 24);
