[RFC LINUX PATCH 3/3] remoteproc: Release DMA declare mem when cleanup rsc

From: Wendy Liang
Date: Fri Mar 24 2017 - 15:30:02 EST


From: Wendy Liang <wendy.liang@xxxxxxxxxx>

Release the declared DMA memory in the end of resource
cleanup.

Signed-off-by: Wendy Liang <jliang@xxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
---
drivers/remoteproc/remoteproc_core.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 0ffd9dc..9d32737 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -882,6 +882,9 @@ static void rproc_resource_cleanup(struct rproc *rproc)
/* clean up remote vdev entries */
list_for_each_entry_safe(rvdev, rvtmp, &rproc->rvdevs, node)
kref_put(&rvdev->refcount, rproc_vdev_release);
+
+ /* Release declared DMA memory */
+ dma_release_declared_memory(dev->parent);
}

/*
--
1.9.1