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[RFC,LINUX,16/19] remoteproc: virtio: use rproc_virtio_notify() to notify vdev changes

Message ID 1490383355-23176-17-git-send-email-jliang@xilinx.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jiaying Liang March 24, 2017, 7:22 p.m. UTC 
From: Wendy Liang <wendy.liang@xilinx.com>

Use rproc_virtio_notify() to notify vdev config changes.

Signed-off-by: Wendy Liang <jliang@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
 drivers/remoteproc/remoteproc_virtio.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
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Patch

diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c
index cc421f3..d43e15b 100644
--- a/drivers/remoteproc/remoteproc_virtio.c
+++ b/drivers/remoteproc/remoteproc_virtio.c
@@ -29,6 +29,20 @@ 
 
 #include "remoteproc_internal.h"
 
+/* kick the remote processor, and let it know the virtio dev has update */
+static bool rproc_virtio_notify(struct rproc_vdev *rvdev)
+{
+	struct rproc *rproc;
+	struct fw_rsc_vdev *rsc;
+
+	if (!rvdev)
+		return false;
+	rproc = rvdev->rproc;
+	rsc = (void *)rproc->table_ptr + rvdev->rsc_offset;
+	rproc->ops->kick(rproc, rsc->notifyid);
+	return true;
+}
+
 /* kick the remote processor, and let it know which virtqueue to poke at */
 static bool rproc_vq_notify(struct virtqueue *vq)
 {