diff options
| author | Sia Jee Heng <jee.heng.sia@intel.com> | 2021-01-25 04:32:42 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-02-01 12:38:15 +0300 |
| commit | 67b2e39f4acb764cbc0ab9b2af07b18aec7b2cce (patch) | |
| tree | 79ef6308f24d470902842f1ee3c5977970a8a812 /drivers/dma/dw-axi-dmac | |
| parent | 0b9d2fb368b97823a477221649ac82d17a9af11b (diff) | |
| download | linux-67b2e39f4acb764cbc0ab9b2af07b18aec7b2cce.tar.xz | |
dmaengine: dw-axi-dmac: Add device_synchronize() callback
Add support for device_synchronize() callback function to sync with
dmaengine_terminate_sync().
Signed-off-by: Sia Jee Heng <jee.heng.sia@intel.com>
Tested-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Link: https://lore.kernel.org/r/20210125013255.25799-5-jee.heng.sia@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/dw-axi-dmac')
| -rw-r--r-- | drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index 3737e1c3c793..241ab7a24e2a 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -347,6 +347,13 @@ static void dma_chan_issue_pending(struct dma_chan *dchan) spin_unlock_irqrestore(&chan->vc.lock, flags); } +static void dw_axi_dma_synchronize(struct dma_chan *dchan) +{ + struct axi_dma_chan *chan = dchan_to_axi_dma_chan(dchan); + + vchan_synchronize(&chan->vc); +} + static int dma_chan_alloc_chan_resources(struct dma_chan *dchan) { struct axi_dma_chan *chan = dchan_to_axi_dma_chan(dchan); @@ -940,6 +947,7 @@ static int dw_probe(struct platform_device *pdev) dw->dma.device_free_chan_resources = dma_chan_free_chan_resources; dw->dma.device_prep_dma_memcpy = dma_chan_prep_dma_memcpy; + dw->dma.device_synchronize = dw_axi_dma_synchronize; platform_set_drvdata(pdev, chip); |