linux-kernel - [PATCH v3 1/3] soc: qcom: socinfo: Add support for new fields in revision 20

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Message-Id: <20250508131258.1605086-1-mukesh.ojha@oss.qualcomm.com>
Date: Thu,  8 May 2025 18:42:56 +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>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: [PATCH v3 1/3] soc: qcom: socinfo: Add support for new fields in revision 20

Add support for socinfo version 20. Version 20 adds a new field
package id and its zeroth bit contain information that can be
can be used to tune temperature thresholds on devices which might
be able to withstand higher temperatures. Zeroth bit value 1 means
that its heat dissipation is better and more relaxed thermal
scheme can be put in place and 0 means a more aggressive scheme
may be needed.

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Signed-off-by: Mukesh Ojha <mukesh.ojha@....qualcomm.com>
---
Changes in v3:
 - Added Reviewed-by tag.

Changes in v2: https://lore.kernel.org/lkml/20250425135946.1087065-1-mukesh.ojha@oss.qualcomm.com/
 - Added debugfs entry and described more about the field in commit
   text.


 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 18d7f1be9093..9a92c9c5713e 100644
--- a/drivers/soc/qcom/socinfo.c
+++ b/drivers/soc/qcom/socinfo.c
@@ -153,6 +153,7 @@ struct socinfo_params {
 	u32 num_func_clusters;
 	u32 boot_cluster;
 	u32 boot_core;
+	u32 raw_package_type;
 };
 
 struct smem_image_version {
@@ -607,6 +608,11 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
 			   &qcom_socinfo->info.fmt);
 
 	switch (qcom_socinfo->info.fmt) {
+	case SOCINFO_VERSION(0, 20):
+		qcom_socinfo->info.raw_package_type = __le32_to_cpu(info->raw_package_type);
+		debugfs_create_u32("raw_package_type", 0444, qcom_socinfo->dbg_root,
+				   &qcom_socinfo->info.raw_package_type);
+		fallthrough;
 	case SOCINFO_VERSION(0, 19):
 		qcom_socinfo->info.num_func_clusters = __le32_to_cpu(info->num_func_clusters);
 		qcom_socinfo->info.boot_cluster = __le32_to_cpu(info->boot_cluster);
diff --git a/include/linux/soc/qcom/socinfo.h b/include/linux/soc/qcom/socinfo.h
index 608950443eee..c4dae173cc30 100644
--- a/include/linux/soc/qcom/socinfo.h
+++ b/include/linux/soc/qcom/socinfo.h
@@ -82,6 +82,8 @@ struct socinfo {
 	__le32 num_func_clusters;
 	__le32 boot_cluster;
 	__le32 boot_core;
+	/* Version 20 */
+	__le32 raw_package_type;
 };
 
 /* Internal feature codes */
-- 
2.34.1