DMAENGINE: generic slave control v2

Convert the device_terminate_all() operation on the
DMA engine to a generic device_control() operation
which can now optionally support also pausing and
resuming DMA on a certain channel. Implemented for the
COH 901 318 DMAC as an example.

[dan.j.williams@intel.com: update for timberdale]
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Maciej Sosnowski <maciej.sosnowski@intel.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Li Yang <leoli@freescale.com>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Cc: Magnus Damm <damm@opensource.se>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Cc: Joe Perches <joe@perches.com>
Cc: Roland Dreier <rdreier@cisco.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/sound/soc/txx9/txx9aclc.c b/sound/soc/txx9/txx9aclc.c
index efed64b8b026..b35d00706c0e 100644
--- a/sound/soc/txx9/txx9aclc.c
+++ b/sound/soc/txx9/txx9aclc.c
@@ -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_terminate_all(chan);
+                chan->device->device_control(chan, DMA_TERMINATE_ALL);
                 /* 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_terminate_all(chan);
+        chan->device->device_control(chan, DMA_TERMINATE_ALL);
         return 0;
 }
 
@@ -396,7 +396,7 @@ 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_terminate_all(chan);
+                        chan->device->device_control(chan, DMA_TERMINATE_ALL);
                         dma_release_channel(chan);
                 }
                 dev->dmadata[i].dma_chan = NULL;