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path: root/drivers/remoteproc
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Diffstat (limited to 'drivers/remoteproc')
-rw-r--r--drivers/remoteproc/qcom_wcnss.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
index e5d9de94c1db..81fe891ef526 100644
--- a/drivers/remoteproc/qcom_wcnss.c
+++ b/drivers/remoteproc/qcom_wcnss.c
@@ -30,6 +30,7 @@
#include <linux/remoteproc.h>
#include <linux/soc/qcom/smem.h>
#include <linux/soc/qcom/smem_state.h>
+#include <linux/rpmsg/qcom_smd.h>
#include "qcom_mdt_loader.h"
#include "remoteproc_internal.h"
@@ -94,6 +95,10 @@ struct qcom_wcnss {
phys_addr_t mem_reloc;
void *mem_region;
size_t mem_size;
+
+ struct device_node *smd_node;
+ struct qcom_smd_edge *smd_edge;
+ struct rproc_subdev smd_subdev;
};
static const struct wcnss_data riva_data = {
@@ -396,6 +401,23 @@ static irqreturn_t wcnss_stop_ack_interrupt(int irq, void *dev)
return IRQ_HANDLED;
}
+static int wcnss_smd_probe(struct rproc_subdev *subdev)
+{
+ struct qcom_wcnss *wcnss = container_of(subdev, struct qcom_wcnss, smd_subdev);
+
+ wcnss->smd_edge = qcom_smd_register_edge(wcnss->dev, wcnss->smd_node);
+
+ return IS_ERR(wcnss->smd_edge) ? PTR_ERR(wcnss->smd_edge) : 0;
+}
+
+static void wcnss_smd_remove(struct rproc_subdev *subdev)
+{
+ struct qcom_wcnss *wcnss = container_of(subdev, struct qcom_wcnss, smd_subdev);
+
+ qcom_smd_unregister_edge(wcnss->smd_edge);
+ wcnss->smd_edge = NULL;
+}
+
static int wcnss_init_regulators(struct qcom_wcnss *wcnss,
const struct wcnss_vreg_info *info,
int num_vregs)
@@ -578,6 +600,10 @@ static int wcnss_probe(struct platform_device *pdev)
}
}
+ wcnss->smd_node = of_get_child_by_name(pdev->dev.of_node, "smd-edge");
+ if (wcnss->smd_node)
+ rproc_add_subdev(rproc, &wcnss->smd_subdev, wcnss_smd_probe, wcnss_smd_remove);
+
ret = rproc_add(rproc);
if (ret)
goto free_rproc;
@@ -596,6 +622,7 @@ static int wcnss_remove(struct platform_device *pdev)
of_platform_depopulate(&pdev->dev);
+ of_node_put(wcnss->smd_node);
qcom_smem_state_put(wcnss->state);
rproc_del(wcnss->rproc);
rproc_free(wcnss->rproc);