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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-25 21:06:30 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-25 21:06:30 -0800 |
| commit | 422d26b6ecd77af8c77f2a40580679459825170f (patch) | |
| tree | 632e690e458fb7b27db200cd6fcd5429e143e419 /drivers/dma/tegra20-apb-dma.c | |
| parent | watchdog: Convert to devm_ioremap_resource() (diff) | |
| parent | Linux 3.8-rc5 (diff) | |
| download | linux-dev-422d26b6ecd77af8c77f2a40580679459825170f.tar.xz linux-dev-422d26b6ecd77af8c77f2a40580679459825170f.zip | |
Merge 3.8-rc5 into driver-core-next
This resolves a gpio driver merge issue pointed out in linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dma/tegra20-apb-dma.c')
| -rw-r--r-- | drivers/dma/tegra20-apb-dma.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index 7d6d8b4679e9..58c1896271e1 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -267,6 +267,7 @@ 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; } } @@ -1051,7 +1052,9 @@ 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; @@ -1096,7 +1099,8 @@ 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 |