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authorSia Jee Heng <jee.heng.sia@intel.com>2021-01-25 04:32:42 +0300
committerVinod Koul <vkoul@kernel.org>2021-02-01 12:38:15 +0300
commit67b2e39f4acb764cbc0ab9b2af07b18aec7b2cce (patch)
tree79ef6308f24d470902842f1ee3c5977970a8a812 /drivers/dma/dw-axi-dmac
parent0b9d2fb368b97823a477221649ac82d17a9af11b (diff)
downloadlinux-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.c8
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);