diff options
Diffstat (limited to 'drivers/dma/fsldma.c')
| -rw-r--r-- | drivers/dma/fsldma.c | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 88f470f0d820..8088b14ba5f7 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -775,13 +775,18 @@ fail: return NULL; } -static void fsl_dma_device_terminate_all(struct dma_chan *dchan) +static int fsl_dma_device_control(struct dma_chan *dchan, + enum dma_ctrl_cmd cmd, unsigned long arg) { struct fsldma_chan *chan; unsigned long flags; + /* Only supports DMA_TERMINATE_ALL */ + if (cmd != DMA_TERMINATE_ALL) + return -ENXIO; + if (!dchan) - return; + return -EINVAL; chan = to_fsl_chan(dchan); @@ -795,6 +800,8 @@ static void fsl_dma_device_terminate_all(struct dma_chan *dchan) fsldma_free_desc_list(chan, &chan->ld_running); spin_unlock_irqrestore(&chan->desc_lock, flags); + + return 0; } /** @@ -965,13 +972,12 @@ static void fsl_dma_memcpy_issue_pending(struct dma_chan *dchan) } /** - * fsl_dma_is_complete - Determine the DMA status + * fsl_tx_status - Determine the DMA status * @chan : Freescale DMA channel */ -static enum dma_status fsl_dma_is_complete(struct dma_chan *dchan, +static enum dma_status fsl_tx_status(struct dma_chan *dchan, dma_cookie_t cookie, - dma_cookie_t *done, - dma_cookie_t *used) + struct dma_tx_state *txstate) { struct fsldma_chan *chan = to_fsl_chan(dchan); dma_cookie_t last_used; @@ -982,11 +988,7 @@ static enum dma_status fsl_dma_is_complete(struct dma_chan *dchan, last_used = dchan->cookie; last_complete = chan->completed_cookie; - if (done) - *done = last_complete; - - if (used) - *used = last_used; + dma_set_tx_state(txstate, last_complete, last_used, 0); return dma_async_is_complete(cookie, last_complete, last_used); } @@ -1313,7 +1315,7 @@ static int __devinit fsldma_of_probe(struct of_device *op, INIT_LIST_HEAD(&fdev->common.channels); /* ioremap the registers for use */ - fdev->regs = of_iomap(op->node, 0); + fdev->regs = of_iomap(op->dev.of_node, 0); if (!fdev->regs) { dev_err(&op->dev, "unable to ioremap registers\n"); err = -ENOMEM; @@ -1321,7 +1323,7 @@ static int __devinit fsldma_of_probe(struct of_device *op, } /* map the channel IRQ if it exists, but don't hookup the handler yet */ - fdev->irq = irq_of_parse_and_map(op->node, 0); + fdev->irq = irq_of_parse_and_map(op->dev.of_node, 0); dma_cap_set(DMA_MEMCPY, fdev->common.cap_mask); dma_cap_set(DMA_INTERRUPT, fdev->common.cap_mask); @@ -1330,10 +1332,10 @@ static int __devinit fsldma_of_probe(struct of_device *op, fdev->common.device_free_chan_resources = fsl_dma_free_chan_resources; fdev->common.device_prep_dma_interrupt = fsl_dma_prep_interrupt; fdev->common.device_prep_dma_memcpy = fsl_dma_prep_memcpy; - fdev->common.device_is_tx_complete = fsl_dma_is_complete; + fdev->common.device_tx_status = fsl_tx_status; fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending; fdev->common.device_prep_slave_sg = fsl_dma_prep_slave_sg; - fdev->common.device_terminate_all = fsl_dma_device_terminate_all; + fdev->common.device_control = fsl_dma_device_control; fdev->common.dev = &op->dev; dev_set_drvdata(&op->dev, fdev); @@ -1343,7 +1345,7 @@ static int __devinit fsldma_of_probe(struct of_device *op, * of_platform_bus_remove(). Instead, we manually instantiate every DMA * channel object. */ - for_each_child_of_node(op->node, child) { + for_each_child_of_node(op->dev.of_node, child) { if (of_device_is_compatible(child, "fsl,eloplus-dma-channel")) { fsl_dma_chan_probe(fdev, child, FSL_DMA_IP_85XX | FSL_DMA_BIG_ENDIAN, @@ -1409,10 +1411,13 @@ static const struct of_device_id fsldma_of_ids[] = { }; static struct of_platform_driver fsldma_of_driver = { - .name = "fsl-elo-dma", - .match_table = fsldma_of_ids, - .probe = fsldma_of_probe, - .remove = fsldma_of_remove, + .driver = { + .name = "fsl-elo-dma", + .owner = THIS_MODULE, + .of_match_table = fsldma_of_ids, + }, + .probe = fsldma_of_probe, + .remove = fsldma_of_remove, }; /*----------------------------------------------------------------------------*/ |