Add lockdep assert for an exported function expected to be called under
spin lock. Since this function is called in different modules, the
lockdep assert will be self-documenting note about need for locking.
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
---
drivers/dma/fsl-edma-common.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c
index 5697c3622699..4550818cca4a 100644
--- a/drivers/dma/fsl-edma-common.c
+++ b/drivers/dma/fsl-edma-common.c
@@ -589,6 +589,8 @@ void fsl_edma_xfer_desc(struct fsl_edma_chan *fsl_chan)
{
struct virt_dma_desc *vdesc;
+ lockdep_assert_held(&fsl_chan->vchan.lock);
+
vdesc = vchan_next_desc(&fsl_chan->vchan);
if (!vdesc)
return;
--
2.7.4
