diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-08-04 09:09:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-08-04 09:09:27 +0200 |
| commit | d7619fe39d9769b4d4545cc511c891deea18ae08 (patch) | |
| tree | 0a902533414001075b2245825e145cc2e35ce985 /drivers/dma/mxs-dma.c | |
| parent | 9ea71503a8ed9184d2d0b8ccc4d269d05f7940ae (diff) | |
| parent | ed8f37370d83e695c0a4fa5d5fc7a83ecb947526 (diff) | |
Merge branch 'linus' into core/urgent
Diffstat (limited to 'drivers/dma/mxs-dma.c')
| -rw-r--r-- | drivers/dma/mxs-dma.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index 88aad4f54002..be641cbd36fc 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -327,10 +327,12 @@ static int mxs_dma_alloc_chan_resources(struct dma_chan *chan) memset(mxs_chan->ccw, 0, PAGE_SIZE); - ret = request_irq(mxs_chan->chan_irq, mxs_dma_int_handler, - 0, "mxs-dma", mxs_dma); - if (ret) - goto err_irq; + if (mxs_chan->chan_irq != NO_IRQ) { + ret = request_irq(mxs_chan->chan_irq, mxs_dma_int_handler, + 0, "mxs-dma", mxs_dma); + if (ret) + goto err_irq; + } ret = clk_enable(mxs_dma->clk); if (ret) @@ -535,6 +537,7 @@ static int mxs_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, switch (cmd) { case DMA_TERMINATE_ALL: mxs_dma_disable_chan(mxs_chan); + mxs_dma_reset_chan(mxs_chan); break; case DMA_PAUSE: mxs_dma_pause_chan(mxs_chan); @@ -707,6 +710,8 @@ static struct platform_device_id mxs_dma_type[] = { }, { .name = "mxs-dma-apbx", .driver_data = MXS_DMA_APBX, + }, { + /* end of list */ } }; |