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:
b36f09c3c441 ("dmaengine: Add transfer termination synchronization support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
vchan_free_chan_resources(to_virt_chan(chan));
}
+static void hsu_dma_synchronize(struct dma_chan *chan)
+{
+ struct hsu_dma_chan *hsuc = to_hsu_dma_chan(chan);
+
+ vchan_synchronize(&hsuc->vchan);
+}
+
int hsu_dma_probe(struct hsu_dma_chip *chip)
{
struct hsu_dma *hsu;
hsu->dma.device_pause = hsu_dma_pause;
hsu->dma.device_resume = hsu_dma_resume;
hsu->dma.device_terminate_all = hsu_dma_terminate_all;
+ hsu->dma.device_synchronize = hsu_dma_synchronize;
hsu->dma.src_addr_widths = HSU_DMA_BUSWIDTHS;
hsu->dma.dst_addr_widths = HSU_DMA_BUSWIDTHS;