diff options
Diffstat (limited to 'drivers/dma/shdma.c')
| -rw-r--r-- | drivers/dma/shdma.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index 5d17e09cb625..ce28c1e22825 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -580,12 +580,16 @@ static struct dma_async_tx_descriptor *sh_dmae_prep_slave_sg( direction, flags); } -static void sh_dmae_terminate_all(struct dma_chan *chan) +static int sh_dmae_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd) { struct sh_dmae_chan *sh_chan = to_sh_chan(chan); + /* Only supports DMA_TERMINATE_ALL */ + if (cmd != DMA_TERMINATE_ALL) + return -ENXIO; + if (!chan) - return; + return -EINVAL; dmae_halt(sh_chan); @@ -601,6 +605,8 @@ static void sh_dmae_terminate_all(struct dma_chan *chan) spin_unlock_bh(&sh_chan->desc_lock); sh_dmae_chan_ld_cleanup(sh_chan, true); + + return 0; } static dma_async_tx_callback __ld_cleanup(struct sh_dmae_chan *sh_chan, bool all) @@ -1029,7 +1035,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev) /* Compulsory for DMA_SLAVE fields */ shdev->common.device_prep_slave_sg = sh_dmae_prep_slave_sg; - shdev->common.device_terminate_all = sh_dmae_terminate_all; + shdev->common.device_control = sh_dmae_control; shdev->common.dev = &pdev->dev; /* Default transfer size of 32 bytes requires 32-byte alignment */ |