diff options
| -rw-r--r-- | drivers/remoteproc/qcom_q6v5_mss.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 38d2b21735da..3a7fcd6485eb 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -1568,8 +1568,17 @@ 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"); @@ -1586,8 +1595,14 @@ 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"); |