提交 21359a84 编写于 作者: V Vinod Koul

Merge branch 'topic/tegra' into for-linus

...@@ -353,7 +353,8 @@ static int tegra_dma_slave_config(struct dma_chan *dc, ...@@ -353,7 +353,8 @@ static int tegra_dma_slave_config(struct dma_chan *dc,
} }
memcpy(&tdc->dma_sconfig, sconfig, sizeof(*sconfig)); memcpy(&tdc->dma_sconfig, sconfig, sizeof(*sconfig));
if (tdc->slave_id == TEGRA_APBDMA_SLAVE_ID_INVALID) { if (tdc->slave_id == TEGRA_APBDMA_SLAVE_ID_INVALID &&
sconfig->device_fc) {
if (sconfig->slave_id > TEGRA_APBDMA_CSR_REQ_SEL_MASK) if (sconfig->slave_id > TEGRA_APBDMA_CSR_REQ_SEL_MASK)
return -EINVAL; return -EINVAL;
tdc->slave_id = sconfig->slave_id; tdc->slave_id = sconfig->slave_id;
...@@ -970,8 +971,13 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_slave_sg( ...@@ -970,8 +971,13 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_slave_sg(
TEGRA_APBDMA_AHBSEQ_WRAP_SHIFT; TEGRA_APBDMA_AHBSEQ_WRAP_SHIFT;
ahb_seq |= TEGRA_APBDMA_AHBSEQ_BUS_WIDTH_32; ahb_seq |= TEGRA_APBDMA_AHBSEQ_BUS_WIDTH_32;
csr |= TEGRA_APBDMA_CSR_ONCE | TEGRA_APBDMA_CSR_FLOW; csr |= TEGRA_APBDMA_CSR_ONCE;
csr |= tdc->slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT;
if (tdc->slave_id != TEGRA_APBDMA_SLAVE_ID_INVALID) {
csr |= TEGRA_APBDMA_CSR_FLOW;
csr |= tdc->slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT;
}
if (flags & DMA_PREP_INTERRUPT) if (flags & DMA_PREP_INTERRUPT)
csr |= TEGRA_APBDMA_CSR_IE_EOC; csr |= TEGRA_APBDMA_CSR_IE_EOC;
...@@ -1110,10 +1116,13 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic( ...@@ -1110,10 +1116,13 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic(
TEGRA_APBDMA_AHBSEQ_WRAP_SHIFT; TEGRA_APBDMA_AHBSEQ_WRAP_SHIFT;
ahb_seq |= TEGRA_APBDMA_AHBSEQ_BUS_WIDTH_32; ahb_seq |= TEGRA_APBDMA_AHBSEQ_BUS_WIDTH_32;
csr |= TEGRA_APBDMA_CSR_FLOW; if (tdc->slave_id != TEGRA_APBDMA_SLAVE_ID_INVALID) {
csr |= TEGRA_APBDMA_CSR_FLOW;
csr |= tdc->slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT;
}
if (flags & DMA_PREP_INTERRUPT) if (flags & DMA_PREP_INTERRUPT)
csr |= TEGRA_APBDMA_CSR_IE_EOC; csr |= TEGRA_APBDMA_CSR_IE_EOC;
csr |= tdc->slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT;
apb_seq |= TEGRA_APBDMA_APBSEQ_WRAP_WORD_1; apb_seq |= TEGRA_APBDMA_APBSEQ_WRAP_WORD_1;
......
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