linux-kernel - [PATCH v2 3/3] soc: qcom: socinfo: Add support for new fields in revision 22

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Message-Id: <20250425135946.1087065-3-mukesh.ojha@oss.qualcomm.com>
Date: Fri, 25 Apr 2025 19:29:46 +0530
From: Mukesh Ojha <mukesh.ojha@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mukesh Ojha <mukesh.ojha@....qualcomm.com>
Subject: [PATCH v2 3/3] soc: qcom: socinfo: Add support for new fields in revision 22

Add the ncluster_cores_array_offset field with socinfo structure
revision 22 which specifies no of cores present in each cluster.

Signed-off-by: Mukesh Ojha <mukesh.ojha@....qualcomm.com>
---
Changes in v2:
 - Added debugfs entry.

 drivers/soc/qcom/socinfo.c       | 6 ++++++
 include/linux/soc/qcom/socinfo.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c
index bac1485f1b27..13cf73744bd9 100644
--- a/drivers/soc/qcom/socinfo.c
+++ b/drivers/soc/qcom/socinfo.c
@@ -155,6 +155,7 @@ struct socinfo_params {
 	u32 boot_core;
 	u32 raw_package_type;
 	u32 nsubpart_feat_array_offset;
+	u32 ncluster_cores_array_offset;
 };
 
 struct smem_image_version {
@@ -609,6 +610,11 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
 			   &qcom_socinfo->info.fmt);
 
 	switch (qcom_socinfo->info.fmt) {
+	case SOCINFO_VERSION(0, 22):
+		qcom_socinfo->info.ncluster_cores_array_offset =
+				   __le32_to_cpu(info->ncluster_cores_array_offset);
+		debugfs_create_u32("ncluster_cores_array_offset", 0444, qcom_socinfo->dbg_root,
+				   &qcom_socinfo->info.ncluster_cores_array_offset);
 	case SOCINFO_VERSION(0, 21):
 		qcom_socinfo->info.nsubpart_feat_array_offset =
 				   __le32_to_cpu(info->nsubpart_feat_array_offset);
diff --git a/include/linux/soc/qcom/socinfo.h b/include/linux/soc/qcom/socinfo.h
index 3666870b7988..0c12090311aa 100644
--- a/include/linux/soc/qcom/socinfo.h
+++ b/include/linux/soc/qcom/socinfo.h
@@ -86,6 +86,8 @@ struct socinfo {
 	__le32 raw_package_type;
 	/* Version 21 */
 	__le32 nsubpart_feat_array_offset;
+	/* Version 22 */
+	__le32 ncluster_cores_array_offset;
 };
 
 /* Internal feature codes */
-- 
2.34.1