Commit bfc1d5bf authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Vinod Koul
Browse files

dmaengine: fsl-edma: Add lockdep assert for exported function 



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: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: default avatarRobin Gong <yibin.gong@nxp.com>
Link: https://lore.kernel.org/r/1591877861-28156-1-git-send-email-krzk@kernel.org


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 0b8975bd

drivers/dma/fsl-edma-common.c

+2 −0
Original line number Diff line number Diff line
@@ -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;