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Subject[PATCH v2 4/7] remoteproc: qcom_q6v5_mss: Extract mba/mpss from memory-region
Date
In the absence of mba and mpss sub-child extract the mba/mpss regions
from the memory-region property.

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
---
drivers/remoteproc/qcom_q6v5_mss.c | 21 ++++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
index 3a7352776a319..5c8d04c51af71 100644
--- a/drivers/remoteproc/qcom_q6v5_mss.c
+++ b/drivers/remoteproc/qcom_q6v5_mss.c
@@ -1503,8 +1503,17 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc)
struct resource r;
int ret;

+ /*
+ * In the absence of mba/mpss sub-child, extract the mba and mpss
+ * reserved memory regions from device's memory-region property.
+ */
child = of_get_child_by_name(qproc->dev->of_node, "mba");
- node = of_parse_phandle(child, "memory-region", 0);
+ if (!child)
+ node = of_parse_phandle(qproc->dev->of_node,
+ "memory-region", 0);
+ else
+ node = of_parse_phandle(child, "memory-region", 0);
+
ret = of_address_to_resource(node, 0, &r);
if (ret) {
dev_err(qproc->dev, "unable to resolve mba region\n");
@@ -1521,8 +1530,14 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc)
return -EBUSY;
}

- child = of_get_child_by_name(qproc->dev->of_node, "mpss");
- node = of_parse_phandle(child, "memory-region", 0);
+ if (!child) {
+ node = of_parse_phandle(qproc->dev->of_node,
+ "memory-region", 1);
+ } else {
+ child = of_get_child_by_name(qproc->dev->of_node, "mpss");
+ node = of_parse_phandle(child, "memory-region", 0);
+ }
+
ret = of_address_to_resource(node, 0, &r);
if (ret) {
dev_err(qproc->dev, "unable to resolve mpss region\n");
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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