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author | Ingo Molnar <mingo@kernel.org> | 2014-01-13 13:35:28 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2014-01-13 13:35:28 +0100 |
commit | 56b4811039174bba9cbd68318d0d8b1585b9eded (patch) | |
tree | f3e8f99e85e545662d82e18bef2a7009c2948852 /drivers/dma/sh/rcar-hpbdma.c | |
parent | e777b63bbd589248eb151a3191ee92331a701385 (diff) | |
parent | 9722c2dac708e9468cc0dc30218ef76946ffbc9d (diff) |
Merge branch 'sched/urgent' into sched/core
Pick up the latest fixes before applying new changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/dma/sh/rcar-hpbdma.c')
-rw-r--r-- | drivers/dma/sh/rcar-hpbdma.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c index ebad84591a6..3083d901a41 100644 --- a/drivers/dma/sh/rcar-hpbdma.c +++ b/drivers/dma/sh/rcar-hpbdma.c @@ -60,6 +60,7 @@ #define HPB_DMAE_DSTPR_DMSTP BIT(0) /* DMA status register (DSTSR) bits */ +#define HPB_DMAE_DSTSR_DQSTS BIT(2) #define HPB_DMAE_DSTSR_DMSTS BIT(0) /* DMA common registers */ @@ -286,6 +287,9 @@ static void hpb_dmae_halt(struct shdma_chan *schan) ch_reg_write(chan, HPB_DMAE_DCMDR_DQEND, HPB_DMAE_DCMDR); ch_reg_write(chan, HPB_DMAE_DSTPR_DMSTP, HPB_DMAE_DSTPR); + + chan->plane_idx = 0; + chan->first_desc = true; } static const struct hpb_dmae_slave_config * @@ -385,7 +389,10 @@ static bool hpb_dmae_channel_busy(struct shdma_chan *schan) struct hpb_dmae_chan *chan = to_chan(schan); u32 dstsr = ch_reg_read(chan, HPB_DMAE_DSTSR); - return (dstsr & HPB_DMAE_DSTSR_DMSTS) == HPB_DMAE_DSTSR_DMSTS; + if (chan->xfer_mode == XFER_DOUBLE) + return dstsr & HPB_DMAE_DSTSR_DQSTS; + else + return dstsr & HPB_DMAE_DSTSR_DMSTS; } static int @@ -510,6 +517,8 @@ static int hpb_dmae_chan_probe(struct hpb_dmae_device *hpbdev, int id) } schan = &new_hpb_chan->shdma_chan; + schan->max_xfer_len = HPB_DMA_TCR_MAX; + shdma_chan_probe(sdev, schan, id); if (pdev->id >= 0) |