From: Andy Green <[email protected]> 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 <[email protected]> Cc: Jingoo Han <[email protected]> Cc: Krzysztof Kozlowski <[email protected]> Cc: Maxime Ripard <[email protected]> Cc: Vinod Koul <[email protected]> Cc: Dan Williams <[email protected]> Cc: Liam Girdwood <[email protected]> Cc: Mark Brown <[email protected]> Cc: Jaroslav Kysela <[email protected]> Cc: Takashi Iwai <[email protected]> Cc: Wei Xu <[email protected]> Cc: Rob Herring <[email protected]> Cc: Andy Green <[email protected]> Cc: Dave Long <[email protected]> Cc: Guodong Xu <[email protected]> Signed-off-by: Andy Green <[email protected]> [jstultz: Forward ported to mainline] Signed-off-by: John Stultz <[email protected]> --- 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
