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@xxxxxxxxxxxxxx> --- 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