diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2016-07-20 13:11:05 -0700 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-08-08 08:11:38 +0530 |
| commit | dac86a148a8f363993dfe62931e0fb08d6108136 (patch) | |
| tree | 761f2a0e4a6793d6ff47a4c53508948dac42c09d /drivers/dma/ep93xx_dma.c | |
| parent | 577ef92512a5baf90233ab5d0dd6dd7dca33ee96 (diff) | |
| download | linux-dac86a148a8f363993dfe62931e0fb08d6108136.tar.bz2 | |
dmaengine: ep93xx_dma: convert callback to helper function
This is in preperation of moving to a callback that provides results to the
callback for the transaction. The conversion will maintain current behavior
and the driver must convert to new callback mechanism at a later time in
order to receive results.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/ep93xx_dma.c')
| -rw-r--r-- | drivers/dma/ep93xx_dma.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c index 21f08cc3352b..aba0b381cb8c 100644 --- a/drivers/dma/ep93xx_dma.c +++ b/drivers/dma/ep93xx_dma.c @@ -739,10 +739,10 @@ static void ep93xx_dma_tasklet(unsigned long data) { struct ep93xx_dma_chan *edmac = (struct ep93xx_dma_chan *)data; struct ep93xx_dma_desc *desc, *d; - dma_async_tx_callback callback = NULL; - void *callback_param = NULL; + struct dmaengine_desc_callback cb; LIST_HEAD(list); + memset(&cb, 0, sizeof(cb)); spin_lock_irq(&edmac->lock); /* * If dma_terminate_all() was called before we get to run, the active @@ -757,8 +757,7 @@ static void ep93xx_dma_tasklet(unsigned long data) dma_cookie_complete(&desc->txd); list_splice_init(&edmac->active, &list); } - callback = desc->txd.callback; - callback_param = desc->txd.callback_param; + dmaengine_desc_get_callback(&desc->txd, &cb); } spin_unlock_irq(&edmac->lock); @@ -771,8 +770,7 @@ static void ep93xx_dma_tasklet(unsigned long data) ep93xx_dma_desc_put(edmac, desc); } - if (callback) - callback(callback_param); + dmaengine_desc_callback_invoke(&cb, NULL); } static irqreturn_t ep93xx_dma_interrupt(int irq, void *dev_id) |