diff --git a/[refs] b/[refs] index 29079850f691..0067289fe92a 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 0b58828c923e57f1bfbbd2c4277ceb60666314fa +refs/heads/master: 516fd4305e5f5718475e81fe5c17c95888a8157b diff --git a/trunk/drivers/dma/coh901318.c b/trunk/drivers/dma/coh901318.c index 544c46278f84..1656fdcdb6c2 100644 --- a/trunk/drivers/dma/coh901318.c +++ b/trunk/drivers/dma/coh901318.c @@ -928,6 +928,7 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, struct coh901318_chan *cohc = to_coh901318_chan(chan); struct coh901318_lli *data; struct coh901318_desc *cohd; + const struct coh901318_params *params; struct scatterlist *sg; int len = 0; int size; @@ -935,6 +936,7 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, u32 ctrl_chained = cohc_chan_param(cohc)->ctrl_lli_chained; u32 ctrl = cohc_chan_param(cohc)->ctrl_lli; u32 ctrl_last = cohc_chan_param(cohc)->ctrl_lli_last; + u32 config; unsigned long flg; int ret; @@ -952,10 +954,14 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, /* Trigger interrupt after last lli */ ctrl_last |= COH901318_CX_CTRL_TC_IRQ_ENABLE; + params = cohc_chan_param(cohc); + config = params->config; + if (direction == DMA_TO_DEVICE) { u32 tx_flags = COH901318_CX_CTRL_PRDD_SOURCE | COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE; + config |= COH901318_CX_CFG_RM_MEMORY_TO_PRIMARY; ctrl_chained |= tx_flags; ctrl_last |= tx_flags; ctrl |= tx_flags; @@ -963,12 +969,15 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, u32 rx_flags = COH901318_CX_CTRL_PRDD_DEST | COH901318_CX_CTRL_DST_ADDR_INC_ENABLE; + config |= COH901318_CX_CFG_RM_PRIMARY_TO_MEMORY; ctrl_chained |= rx_flags; ctrl_last |= rx_flags; ctrl |= rx_flags; } else goto err_direction; + coh901318_set_conf(cohc, config); + /* The dma only supports transmitting packages up to * MAX_DMA_PACKET_SIZE. Calculate to total number of * dma elemts required to send the entire sg list @@ -1250,6 +1259,11 @@ static int __init coh901318_probe(struct platform_device *pdev) base->dma_memcpy.device_issue_pending = coh901318_issue_pending; base->dma_memcpy.device_terminate_all = coh901318_terminate_all; base->dma_memcpy.dev = &pdev->dev; + /* + * This controller can only access address at even 32bit boundaries, + * i.e. 2^2 + */ + base->dma_memcpy.copy_align = 2; err = dma_async_device_register(&base->dma_memcpy); if (err)