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Message-ID: <20230111082141.18109-2-quic_namajain@quicinc.com>
Date:   Wed, 11 Jan 2023 13:51:40 +0530
From:   Naman Jain <quic_namajain@...cinc.com>
To:     Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>
CC:     Naman Jain <quic_namajain@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_pkondeti@...cinc.com>
Subject: [PATCH 1/2] soc: qcom: socinfo: Change socinfo variable name and scope

Change socinfo structure variable scope from function to file
to make it easy to support custom attributes for sysfs. Also,
change variable name to make it more descriptive.

Signed-off-by: Naman Jain <quic_namajain@...cinc.com>
---
 drivers/soc/qcom/socinfo.c | 80 ++++++++++++++++++++------------------
 1 file changed, 42 insertions(+), 38 deletions(-)

diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c
index 10efdbcfdf05..251c0fd94962 100644
--- a/drivers/soc/qcom/socinfo.c
+++ b/drivers/soc/qcom/socinfo.c
@@ -175,6 +175,7 @@ struct socinfo {
 	__le32  npartnamemap_offset;
 	__le32  nnum_partname_mapping;
 };
+static struct socinfo *soc_info;
 
 #ifdef CONFIG_DEBUG_FS
 struct socinfo_params {
@@ -502,7 +503,7 @@ DEFINE_IMAGE_OPS(variant);
 DEFINE_IMAGE_OPS(oem);
 
 static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
-				 struct socinfo *info, size_t info_size)
+				 size_t info_size)
 {
 	struct smem_image_version *versions;
 	struct dentry *dentry;
@@ -513,15 +514,15 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
 
 	qcom_socinfo->dbg_root = debugfs_create_dir("qcom_socinfo", NULL);
 
-	qcom_socinfo->info.fmt = __le32_to_cpu(info->fmt);
+	qcom_socinfo->info.fmt = __le32_to_cpu(soc_info->fmt);
 
 	debugfs_create_x32("info_fmt", 0444, qcom_socinfo->dbg_root,
 			   &qcom_socinfo->info.fmt);
 
 	switch (qcom_socinfo->info.fmt) {
 	case SOCINFO_VERSION(0, 16):
-		qcom_socinfo->info.feature_code = __le32_to_cpu(info->feature_code);
-		qcom_socinfo->info.pcode = __le32_to_cpu(info->pcode);
+		qcom_socinfo->info.feature_code = __le32_to_cpu(soc_info->feature_code);
+		qcom_socinfo->info.pcode = __le32_to_cpu(soc_info->pcode);
 
 		debugfs_create_u32("feature_code", 0444, qcom_socinfo->dbg_root,
 				   &qcom_socinfo->info.feature_code);
@@ -529,16 +530,20 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
 				   &qcom_socinfo->info.pcode);
 		fallthrough;
 	case SOCINFO_VERSION(0, 15):
-		qcom_socinfo->info.nmodem_supported = __le32_to_cpu(info->nmodem_supported);
+		qcom_socinfo->info.nmodem_supported = __le32_to_cpu(soc_info->nmodem_supported);
 
 		debugfs_create_u32("nmodem_supported", 0444, qcom_socinfo->dbg_root,
 				   &qcom_socinfo->info.nmodem_supported);
 		fallthrough;
 	case SOCINFO_VERSION(0, 14):
-		qcom_socinfo->info.num_clusters = __le32_to_cpu(info->num_clusters);
-		qcom_socinfo->info.ncluster_array_offset = __le32_to_cpu(info->ncluster_array_offset);
-		qcom_socinfo->info.num_defective_parts = __le32_to_cpu(info->num_defective_parts);
-		qcom_socinfo->info.ndefective_parts_array_offset = __le32_to_cpu(info->ndefective_parts_array_offset);
+		qcom_socinfo->info.num_clusters =
+			__le32_to_cpu(soc_info->num_clusters);
+		qcom_socinfo->info.ncluster_array_offset =
+			__le32_to_cpu(soc_info->ncluster_array_offset);
+		qcom_socinfo->info.num_defective_parts =
+			__le32_to_cpu(soc_info->num_defective_parts);
+		qcom_socinfo->info.ndefective_parts_array_offset =
+			__le32_to_cpu(soc_info->ndefective_parts_array_offset);
 
 		debugfs_create_u32("num_clusters", 0444, qcom_socinfo->dbg_root,
 				   &qcom_socinfo->info.num_clusters);
@@ -550,19 +555,19 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
 				   &qcom_socinfo->info.ndefective_parts_array_offset);
 		fallthrough;
 	case SOCINFO_VERSION(0, 13):
-		qcom_socinfo->info.nproduct_id = __le32_to_cpu(info->nproduct_id);
+		qcom_socinfo->info.nproduct_id = __le32_to_cpu(soc_info->nproduct_id);
 
 		debugfs_create_u32("nproduct_id", 0444, qcom_socinfo->dbg_root,
 				   &qcom_socinfo->info.nproduct_id);
-		DEBUGFS_ADD(info, chip_id);
+		DEBUGFS_ADD(soc_info, chip_id);
 		fallthrough;
 	case SOCINFO_VERSION(0, 12):
 		qcom_socinfo->info.chip_family =
-			__le32_to_cpu(info->chip_family);
+			__le32_to_cpu(soc_info->chip_family);
 		qcom_socinfo->info.raw_device_family =
-			__le32_to_cpu(info->raw_device_family);
+			__le32_to_cpu(soc_info->raw_device_family);
 		qcom_socinfo->info.raw_device_num =
-			__le32_to_cpu(info->raw_device_num);
+			__le32_to_cpu(soc_info->raw_device_num);
 
 		debugfs_create_x32("chip_family", 0444, qcom_socinfo->dbg_root,
 				   &qcom_socinfo->info.chip_family);
@@ -574,26 +579,26 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
 				   &qcom_socinfo->info.raw_device_num);
 		fallthrough;
 	case SOCINFO_VERSION(0, 11):
-		num_pmics = le32_to_cpu(info->num_pmics);
-		pmic_array_offset = le32_to_cpu(info->pmic_array_offset);
+		num_pmics = le32_to_cpu(soc_info->num_pmics);
+		pmic_array_offset = le32_to_cpu(soc_info->pmic_array_offset);
 		if (pmic_array_offset + 2 * num_pmics * sizeof(u32) <= info_size)
-			DEBUGFS_ADD(info, pmic_model_array);
+			DEBUGFS_ADD(soc_info, pmic_model_array);
 		fallthrough;
 	case SOCINFO_VERSION(0, 10):
 	case SOCINFO_VERSION(0, 9):
-		qcom_socinfo->info.foundry_id = __le32_to_cpu(info->foundry_id);
+		qcom_socinfo->info.foundry_id = __le32_to_cpu(soc_info->foundry_id);
 
 		debugfs_create_u32("foundry_id", 0444, qcom_socinfo->dbg_root,
 				   &qcom_socinfo->info.foundry_id);
 		fallthrough;
 	case SOCINFO_VERSION(0, 8):
 	case SOCINFO_VERSION(0, 7):
-		DEBUGFS_ADD(info, pmic_model);
-		DEBUGFS_ADD(info, pmic_die_rev);
+		DEBUGFS_ADD(soc_info, pmic_model);
+		DEBUGFS_ADD(soc_info, pmic_die_rev);
 		fallthrough;
 	case SOCINFO_VERSION(0, 6):
 		qcom_socinfo->info.hw_plat_subtype =
-			__le32_to_cpu(info->hw_plat_subtype);
+			__le32_to_cpu(soc_info->hw_plat_subtype);
 
 		debugfs_create_u32("hardware_platform_subtype", 0444,
 				   qcom_socinfo->dbg_root,
@@ -601,34 +606,34 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
 		fallthrough;
 	case SOCINFO_VERSION(0, 5):
 		qcom_socinfo->info.accessory_chip =
-			__le32_to_cpu(info->accessory_chip);
+			__le32_to_cpu(soc_info->accessory_chip);
 
 		debugfs_create_u32("accessory_chip", 0444,
 				   qcom_socinfo->dbg_root,
 				   &qcom_socinfo->info.accessory_chip);
 		fallthrough;
 	case SOCINFO_VERSION(0, 4):
-		qcom_socinfo->info.plat_ver = __le32_to_cpu(info->plat_ver);
+		qcom_socinfo->info.plat_ver = __le32_to_cpu(soc_info->plat_ver);
 
 		debugfs_create_u32("platform_version", 0444,
 				   qcom_socinfo->dbg_root,
 				   &qcom_socinfo->info.plat_ver);
 		fallthrough;
 	case SOCINFO_VERSION(0, 3):
-		qcom_socinfo->info.hw_plat = __le32_to_cpu(info->hw_plat);
+		qcom_socinfo->info.hw_plat = __le32_to_cpu(soc_info->hw_plat);
 
 		debugfs_create_u32("hardware_platform", 0444,
 				   qcom_socinfo->dbg_root,
 				   &qcom_socinfo->info.hw_plat);
 		fallthrough;
 	case SOCINFO_VERSION(0, 2):
-		qcom_socinfo->info.raw_ver  = __le32_to_cpu(info->raw_ver);
+		qcom_socinfo->info.raw_ver  = __le32_to_cpu(soc_info->raw_ver);
 
 		debugfs_create_u32("raw_version", 0444, qcom_socinfo->dbg_root,
 				   &qcom_socinfo->info.raw_ver);
 		fallthrough;
 	case SOCINFO_VERSION(0, 1):
-		DEBUGFS_ADD(info, build_id);
+		DEBUGFS_ADD(soc_info, build_id);
 		break;
 	}
 
@@ -656,7 +661,7 @@ static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo)
 }
 #else
 static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo,
-				 struct socinfo *info, size_t info_size)
+				 size_t info_size)
 {
 }
 static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo) {  }
@@ -665,14 +670,13 @@ static void socinfo_debugfs_exit(struct qcom_socinfo *qcom_socinfo) {  }
 static int qcom_socinfo_probe(struct platform_device *pdev)
 {
 	struct qcom_socinfo *qs;
-	struct socinfo *info;
 	size_t item_size;
 
-	info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID,
+	soc_info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID,
 			      &item_size);
-	if (IS_ERR(info)) {
+	if (IS_ERR(soc_info)) {
 		dev_err(&pdev->dev, "Couldn't find socinfo\n");
-		return PTR_ERR(info);
+		return PTR_ERR(soc_info);
 	}
 
 	qs = devm_kzalloc(&pdev->dev, sizeof(*qs), GFP_KERNEL);
@@ -681,25 +685,25 @@ static int qcom_socinfo_probe(struct platform_device *pdev)
 
 	qs->attr.family = "Snapdragon";
 	qs->attr.machine = socinfo_machine(&pdev->dev,
-					   le32_to_cpu(info->id));
+					   le32_to_cpu(soc_info->id));
 	qs->attr.soc_id = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u",
-					 le32_to_cpu(info->id));
+					 le32_to_cpu(soc_info->id));
 	qs->attr.revision = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%u.%u",
-					   SOCINFO_MAJOR(le32_to_cpu(info->ver)),
-					   SOCINFO_MINOR(le32_to_cpu(info->ver)));
+					   SOCINFO_MAJOR(le32_to_cpu(soc_info->ver)),
+					   SOCINFO_MINOR(le32_to_cpu(soc_info->ver)));
 	if (offsetof(struct socinfo, serial_num) <= item_size)
 		qs->attr.serial_number = devm_kasprintf(&pdev->dev, GFP_KERNEL,
 							"%u",
-							le32_to_cpu(info->serial_num));
+							le32_to_cpu(soc_info->serial_num));
 
 	qs->soc_dev = soc_device_register(&qs->attr);
 	if (IS_ERR(qs->soc_dev))
 		return PTR_ERR(qs->soc_dev);
 
-	socinfo_debugfs_init(qs, info, item_size);
+	socinfo_debugfs_init(qs, item_size);
 
 	/* Feed the soc specific unique data into entropy pool */
-	add_device_randomness(info, item_size);
+	add_device_randomness(soc_info, item_size);
 
 	platform_set_drvdata(pdev, qs);
 
-- 
2.17.1

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