add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/gpu/arm/bifrost/debug/mali_kbase_debug_ktrace.c
..
..
@@ -1,7 +1,7 @@
1
1
 // SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
2
2
 /*
3
3
  *
4
- * (C) COPYRIGHT 2020-2021 ARM Limited. All rights reserved.
4
+ * (C) COPYRIGHT 2020-2022 ARM Limited. All rights reserved.
5
5
  *
6
6
  * This program is free software and is provided to you under the terms of the
7
7
  * GNU General Public License version 2 as published by the Free Software
..
..
@@ -27,13 +27,13 @@
27
27
 #if KBASE_KTRACE_TARGET_RBUF
28
28
 	struct kbase_ktrace_msg *rbuf;
29
29
 
30
+	spin_lock_init(&kbdev->ktrace.lock);
30
31
 	rbuf = kmalloc_array(KBASE_KTRACE_SIZE, sizeof(*rbuf), GFP_KERNEL);
31
32
 
32
33
 	if (!rbuf)
33
34
 		return -EINVAL;
34
35
 
35
36
 	kbdev->ktrace.rbuf = rbuf;
36
-	spin_lock_init(&kbdev->ktrace.lock);
37
37
 #endif /* KBASE_KTRACE_TARGET_RBUF */
38
38
 	return 0;
39
39
 }
..
..
@@ -42,6 +42,7 @@
42
42
 {
43
43
 #if KBASE_KTRACE_TARGET_RBUF
44
44
 	kfree(kbdev->ktrace.rbuf);
45
+	kbdev->ktrace.rbuf = NULL;
45
46
 #endif /* KBASE_KTRACE_TARGET_RBUF */
46
47
 }
47
48
 
..
..
@@ -183,6 +184,9 @@
183
184
 	unsigned long irqflags;
184
185
 	struct kbase_ktrace_msg *trace_msg;
185
186
 
187
+	if (unlikely(!kbasep_ktrace_initialized(&kbdev->ktrace)))
188
+		return;
189
+
186
190
 	WARN_ON((flags & ~KBASE_KTRACE_FLAG_COMMON_ALL));
187
191
 
188
192
 	spin_lock_irqsave(&kbdev->ktrace.lock, irqflags);