From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio

---
 kernel/drivers/soc/ux500/ux500-soc-id.c |   29 +++++++++++++++++------------
 1 files changed, 17 insertions(+), 12 deletions(-)

diff --git a/kernel/drivers/soc/ux500/ux500-soc-id.c b/kernel/drivers/soc/ux500/ux500-soc-id.c
index 6c1be74..a9472e0 100644
--- a/kernel/drivers/soc/ux500/ux500-soc-id.c
+++ b/kernel/drivers/soc/ux500/ux500-soc-id.c
@@ -1,8 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) ST-Ericsson SA 2010
  *
  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
- * License terms: GNU General Public License (GPL) version 2
  */
 
 #include <linux/kernel.h>
@@ -146,15 +146,23 @@
 	return kasprintf(GFP_KERNEL, "%s", "Unknown");
 }
 
-static ssize_t ux500_get_process(struct device *dev,
-					struct device_attribute *attr,
-					char *buf)
+static ssize_t
+process_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	if (dbx500_id.process == 0x00)
 		return sprintf(buf, "Standard\n");
 
 	return sprintf(buf, "%02xnm\n", dbx500_id.process);
 }
+
+static DEVICE_ATTR_RO(process);
+
+static struct attribute *ux500_soc_attrs[] = {
+	&dev_attr_process.attr,
+	NULL
+};
+
+ATTRIBUTE_GROUPS(ux500_soc);
 
 static const char *db8500_read_soc_id(struct device_node *backupram)
 {
@@ -184,14 +192,11 @@
 	soc_dev_attr->machine  = ux500_get_machine();
 	soc_dev_attr->family   = ux500_get_family();
 	soc_dev_attr->revision = ux500_get_revision();
+	soc_dev_attr->custom_attr_group = ux500_soc_groups[0];
 }
-
-static const struct device_attribute ux500_soc_attr =
-	__ATTR(process,  S_IRUGO, ux500_get_process,  NULL);
 
 static int __init ux500_soc_device_init(void)
 {
-	struct device *parent;
 	struct soc_device *soc_dev;
 	struct soc_device_attribute *soc_dev_attr;
 	struct device_node *backupram;
@@ -203,19 +208,19 @@
 	ux500_setup_id();
 
 	soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
-	if (!soc_dev_attr)
+	if (!soc_dev_attr) {
+		of_node_put(backupram);
 		return -ENOMEM;
+	}
 
 	soc_info_populate(soc_dev_attr, backupram);
+	of_node_put(backupram);
 
 	soc_dev = soc_device_register(soc_dev_attr);
 	if (IS_ERR(soc_dev)) {
 	        kfree(soc_dev_attr);
 		return PTR_ERR(soc_dev);
 	}
-
-	parent = soc_device_to_device(soc_dev);
-	device_create_file(parent, &ux500_soc_attr);
 
 	return 0;
 }

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