dmaengine: idma64: Support dmaengine_terminate_sync()
It appears that the driver misses the support of dmaengine_terminate_sync().
Since many of callers expects this behaviour implement the new
device_synchronize() callback to allow proper synchronization when stopping
a channel.
Fixes: b36f09c3c4
("dmaengine: Add transfer termination synchronization support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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@ -496,6 +496,13 @@ static int idma64_terminate_all(struct dma_chan *chan)
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return 0;
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}
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static void idma64_synchronize(struct dma_chan *chan)
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{
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struct idma64_chan *idma64c = to_idma64_chan(chan);
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vchan_synchronize(&idma64c->vchan);
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}
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static int idma64_alloc_chan_resources(struct dma_chan *chan)
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{
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struct idma64_chan *idma64c = to_idma64_chan(chan);
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@ -583,6 +590,7 @@ static int idma64_probe(struct idma64_chip *chip)
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idma64->dma.device_pause = idma64_pause;
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idma64->dma.device_resume = idma64_resume;
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idma64->dma.device_terminate_all = idma64_terminate_all;
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idma64->dma.device_synchronize = idma64_synchronize;
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idma64->dma.src_addr_widths = IDMA64_BUSWIDTHS;
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idma64->dma.dst_addr_widths = IDMA64_BUSWIDTHS;
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