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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2018-07-10 14:49:42 +0300
committerVinod Koul <vkoul@kernel.org>2018-07-10 21:10:44 +0530
commitbbacb8e78a3b29ebdbb6af7d54fcf25d3f1c248f (patch)
treed219e5da869dff27b1801930a02e252673169cc8 /drivers/dma
parent2abc66cd499aa16876e45c6438788902f7d1ce22 (diff)
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: 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>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/idma64.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index e5c911200bdb..1fbf9cb9b742 100644
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -496,6 +496,13 @@ static int idma64_terminate_all(struct dma_chan *chan)
return 0;
}
+static void idma64_synchronize(struct dma_chan *chan)
+{
+ struct idma64_chan *idma64c = to_idma64_chan(chan);
+
+ vchan_synchronize(&idma64c->vchan);
+}
+
static int idma64_alloc_chan_resources(struct dma_chan *chan)
{
struct idma64_chan *idma64c = to_idma64_chan(chan);
@@ -583,6 +590,7 @@ static int idma64_probe(struct idma64_chip *chip)
idma64->dma.device_pause = idma64_pause;
idma64->dma.device_resume = idma64_resume;
idma64->dma.device_terminate_all = idma64_terminate_all;
+ idma64->dma.device_synchronize = idma64_synchronize;
idma64->dma.src_addr_widths = IDMA64_BUSWIDTHS;
idma64->dma.dst_addr_widths = IDMA64_BUSWIDTHS;