change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/arch/powerpc/kernel/firmware.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  *  Extracted from cputable.c
3
4
  *
..
..
@@ -6,17 +7,35 @@
6
7
  *  Modifications for ppc64:
7
8
  *      Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
8
9
  *  Copyright (C) 2005 Stephen Rothwell, IBM Corporation
9
- *
10
- *  This program is free software; you can redistribute it and/or
11
- *  modify it under the terms of the GNU General Public License
12
- *  as published by the Free Software Foundation; either version
13
- *  2 of the License, or (at your option) any later version.
14
10
  */
15
11
 
16
12
 #include <linux/export.h>
17
13
 #include <linux/cache.h>
14
+#include <linux/of.h>
18
15
 
19
16
 #include <asm/firmware.h>
17
+#include <asm/kvm_guest.h>
20
18
 
19
+#ifdef CONFIG_PPC64
21
20
 unsigned long powerpc_firmware_features __read_mostly;
22
21
 EXPORT_SYMBOL_GPL(powerpc_firmware_features);
22
+#endif
23
+
24
+#if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_KVM_GUEST)
25
+DEFINE_STATIC_KEY_FALSE(kvm_guest);
26
+int __init check_kvm_guest(void)
27
+{
28
+	struct device_node *hyper_node;
29
+
30
+	hyper_node = of_find_node_by_path("/hypervisor");
31
+	if (!hyper_node)
32
+		return 0;
33
+
34
+	if (of_device_is_compatible(hyper_node, "linux,kvm"))
35
+		static_branch_enable(&kvm_guest);
36
+
37
+	of_node_put(hyper_node);
38
+	return 0;
39
+}
40
+core_initcall(check_kvm_guest); // before kvm_guest_init()
41
+#endif