diff options
Diffstat (limited to 'drivers/dma/tegra20-apb-dma.c')
| -rw-r--r-- | drivers/dma/tegra20-apb-dma.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index efdfffa1334..3cad856fe67 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -266,6 +266,7 @@ static struct tegra_dma_desc *tegra_dma_desc_get( if (async_tx_test_ack(&dma_desc->txd)) { list_del(&dma_desc->node); spin_unlock_irqrestore(&tdc->lock, flags); + dma_desc->txd.flags = 0; return dma_desc; } } @@ -1050,7 +1051,9 @@ struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic( TEGRA_APBDMA_AHBSEQ_WRAP_SHIFT; ahb_seq |= TEGRA_APBDMA_AHBSEQ_BUS_WIDTH_32; - csr |= TEGRA_APBDMA_CSR_FLOW | TEGRA_APBDMA_CSR_IE_EOC; + csr |= TEGRA_APBDMA_CSR_FLOW; + if (flags & DMA_PREP_INTERRUPT) + csr |= TEGRA_APBDMA_CSR_IE_EOC; csr |= tdc->dma_sconfig.slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT; apb_seq |= TEGRA_APBDMA_APBSEQ_WRAP_WORD_1; @@ -1095,7 +1098,8 @@ struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic( mem += len; } sg_req->last_sg = true; - dma_desc->txd.flags = 0; + if (flags & DMA_CTRL_ACK) + dma_desc->txd.flags = DMA_CTRL_ACK; /* * Make sure that mode should not be conflicting with currently @@ -1184,7 +1188,7 @@ static const struct tegra_dma_chip_data tegra30_dma_chip_data = { .max_dma_count = 1024UL * 64, }; -static const struct of_device_id tegra_dma_of_match[] __devinitconst = { +static const struct of_device_id tegra_dma_of_match[] = { { .compatible = "nvidia,tegra30-apbdma", .data = &tegra30_dma_chip_data, @@ -1360,7 +1364,7 @@ err_pm_disable: return ret; } -static int __devexit tegra_dma_remove(struct platform_device *pdev) +static int tegra_dma_remove(struct platform_device *pdev) { struct tegra_dma *tdma = platform_get_drvdata(pdev); int i; @@ -1403,7 +1407,7 @@ static int tegra_dma_runtime_resume(struct device *dev) return 0; } -static const struct dev_pm_ops tegra_dma_dev_pm_ops __devinitconst = { +static const struct dev_pm_ops tegra_dma_dev_pm_ops = { #ifdef CONFIG_PM_RUNTIME .runtime_suspend = tegra_dma_runtime_suspend, .runtime_resume = tegra_dma_runtime_resume, |