diff options
Diffstat (limited to 'drivers/dma/omap-dma.c')
| -rw-r--r-- | drivers/dma/omap-dma.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c index b19f04f4390b..bbea8243f9e8 100644 --- a/drivers/dma/omap-dma.c +++ b/drivers/dma/omap-dma.c @@ -853,8 +853,7 @@ static struct dma_async_tx_descriptor *omap_dma_prep_slave_sg( static struct dma_async_tx_descriptor *omap_dma_prep_dma_cyclic( struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, - size_t period_len, enum dma_transfer_direction dir, unsigned long flags, - void *context) + size_t period_len, enum dma_transfer_direction dir, unsigned long flags) { struct omap_dmadev *od = to_omap_dma_dev(chan->device); struct omap_chan *c = to_omap_dma_chan(chan); @@ -1018,6 +1017,11 @@ static int omap_dma_resume(struct omap_chan *c) return -EINVAL; if (c->paused) { + mb(); + + /* Restore channel link register */ + omap_dma_chan_write(c, CLNK_CTRL, c->desc->clnk_ctrl); + omap_dma_start(c, c->desc); c->paused = false; } |