Messages in this thread Patch in this message | | | From | John Stultz <> | Subject | [PATCH 1/7] k3dma: Fix hisi burst clipping | Date | Wed, 20 Jul 2016 20:53:03 -0700 |
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From: Andy Green <andy.green@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.gao@linaro.org> Cc: Jingoo Han <jg1.han@samsung.com> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Vinod Koul <vinod.koul@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mark Brown <broonie@kernel.org> Cc: Andy Green <andy@warmcat.com> Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org> Signed-off-by: Andy Green <andy.green@linaro.org> [jstultz: Forward ported to mainline] Signed-off-by: John Stultz <john.stultz@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); -- 1.9.1
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