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| author | Tony Lindgren <tony@atomide.com> | 2010-12-17 15:14:02 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-12-17 15:14:02 -0800 |
| commit | fea83f6a9b0a90fefca16ac3534e308f6c34144b (patch) | |
| tree | 3da88c54c83a1cb8ef53db62c9c2c7fc2c2ecbe5 /drivers/dma/pch_dma.c | |
| parent | df127ee375af4cb40b979605e0c336fc79bd38e7 (diff) | |
| parent | 2d200665c37f544f648d77a05a06ab63328f0d3a (diff) | |
| download | talos-op-linux-fea83f6a9b0a90fefca16ac3534e308f6c34144b.tar.gz talos-op-linux-fea83f6a9b0a90fefca16ac3534e308f6c34144b.zip | |
Merge branch 'devel-board' into omap-for-linus
Diffstat (limited to 'drivers/dma/pch_dma.c')
| -rw-r--r-- | drivers/dma/pch_dma.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c index 92b679024fed..c064c89420d0 100644 --- a/drivers/dma/pch_dma.c +++ b/drivers/dma/pch_dma.c @@ -259,11 +259,6 @@ static void pdc_dostart(struct pch_dma_chan *pd_chan, struct pch_dma_desc* desc) return; } - channel_writel(pd_chan, DEV_ADDR, desc->regs.dev_addr); - channel_writel(pd_chan, MEM_ADDR, desc->regs.mem_addr); - channel_writel(pd_chan, SIZE, desc->regs.size); - channel_writel(pd_chan, NEXT, desc->regs.next); - dev_dbg(chan2dev(&pd_chan->chan), "chan %d -> dev_addr: %x\n", pd_chan->chan.chan_id, desc->regs.dev_addr); dev_dbg(chan2dev(&pd_chan->chan), "chan %d -> mem_addr: %x\n", @@ -273,10 +268,16 @@ static void pdc_dostart(struct pch_dma_chan *pd_chan, struct pch_dma_desc* desc) dev_dbg(chan2dev(&pd_chan->chan), "chan %d -> next: %x\n", pd_chan->chan.chan_id, desc->regs.next); - if (list_empty(&desc->tx_list)) + if (list_empty(&desc->tx_list)) { + channel_writel(pd_chan, DEV_ADDR, desc->regs.dev_addr); + channel_writel(pd_chan, MEM_ADDR, desc->regs.mem_addr); + channel_writel(pd_chan, SIZE, desc->regs.size); + channel_writel(pd_chan, NEXT, desc->regs.next); pdc_set_mode(&pd_chan->chan, DMA_CTL0_ONESHOT); - else + } else { + channel_writel(pd_chan, NEXT, desc->txd.phys); pdc_set_mode(&pd_chan->chan, DMA_CTL0_SG); + } val = dma_readl(pd, CTL2); val |= 1 << (DMA_CTL2_START_SHIFT_BITS + pd_chan->chan.chan_id); |
