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path: root/drivers/remoteproc/qcom_common.c
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Diffstat (limited to 'drivers/remoteproc/qcom_common.c')
-rw-r--r--drivers/remoteproc/qcom_common.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c
index 60650bcc8c67..9028cea2d81e 100644
--- a/drivers/remoteproc/qcom_common.c
+++ b/drivers/remoteproc/qcom_common.c
@@ -42,12 +42,21 @@ static void glink_subdev_stop(struct rproc_subdev *subdev, bool crashed)
glink->edge = NULL;
}
+static void glink_subdev_unprepare(struct rproc_subdev *subdev)
+{
+ struct qcom_rproc_glink *glink = to_glink_subdev(subdev);
+
+ qcom_glink_ssr_notify(glink->ssr_name);
+}
+
/**
* qcom_add_glink_subdev() - try to add a GLINK subdevice to rproc
* @rproc: rproc handle to parent the subdevice
* @glink: reference to a GLINK subdev context
+ * @ssr_name: identifier of the associated remoteproc for ssr notifications
*/
-void qcom_add_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink)
+void qcom_add_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink,
+ const char *ssr_name)
{
struct device *dev = &rproc->dev;
@@ -55,9 +64,14 @@ void qcom_add_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink)
if (!glink->node)
return;
+ glink->ssr_name = kstrdup_const(ssr_name, GFP_KERNEL);
+ if (!glink->ssr_name)
+ return;
+
glink->dev = dev;
glink->subdev.start = glink_subdev_start;
glink->subdev.stop = glink_subdev_stop;
+ glink->subdev.unprepare = glink_subdev_unprepare;
rproc_add_subdev(rproc, &glink->subdev);
}
@@ -74,6 +88,7 @@ void qcom_remove_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glin
return;
rproc_remove_subdev(rproc, &glink->subdev);
+ kfree_const(glink->ssr_name);
of_node_put(glink->node);
}
EXPORT_SYMBOL_GPL(qcom_remove_glink_subdev);