DMAENGINE: extend the control command to include an arg

This adds an argument to the DMAengine control function, so that
we can later provide control commands that need some external data
passed in through an argument akin to the ioctl() operation
prototype.

[dan.j.williams@intel.com: fix up some missed conversions]
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Bu işleme şunda yer alıyor:
Linus Walleij
2010-05-17 16:30:42 -07:00
işlemeyi yapan: Dan Williams
ebeveyn 4aed79b281
işleme 058276303d
14 değiştirilmiş dosya ile 32 ekleme ve 21 silme

Dosyayı Görüntüle

@@ -159,7 +159,7 @@ static void txx9aclc_dma_tasklet(unsigned long data)
void __iomem *base = drvdata->base;
spin_unlock_irqrestore(&dmadata->dma_lock, flags);
chan->device->device_control(chan, DMA_TERMINATE_ALL);
chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
/* first time */
for (i = 0; i < NR_DMA_CHAIN; i++) {
desc = txx9aclc_dma_submit(dmadata,
@@ -267,7 +267,7 @@ static int txx9aclc_pcm_close(struct snd_pcm_substream *substream)
struct dma_chan *chan = dmadata->dma_chan;
dmadata->frag_count = -1;
chan->device->device_control(chan, DMA_TERMINATE_ALL);
chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
return 0;
}
@@ -396,7 +396,8 @@ static int txx9aclc_pcm_remove(struct platform_device *pdev)
struct dma_chan *chan = dmadata->dma_chan;
if (chan) {
dmadata->frag_count = -1;
chan->device->device_control(chan, DMA_TERMINATE_ALL);
chan->device->device_control(chan,
DMA_TERMINATE_ALL, 0);
dma_release_channel(chan);
}
dev->dmadata[i].dma_chan = NULL;