add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/powerpc/platforms/powermac/nvram.c
..
..
@@ -1,10 +1,6 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  *  Copyright (C) 2002 Benjamin Herrenschmidt (benh@kernel.crashing.org)
3
- *
4
- *  This program is free software; you can redistribute it and/or
5
- *  modify it under the terms of the GNU General Public License
6
- *  as published by the Free Software Foundation; either version
7
- *  2 of the License, or (at your option) any later version.
8
4
  *
9
5
  *  Todo: - add support for the OF persistent properties
10
6
  */
..
..
@@ -18,7 +14,7 @@
18
14
 #include <linux/errno.h>
19
15
 #include <linux/adb.h>
20
16
 #include <linux/pmu.h>
21
-#include <linux/bootmem.h>
17
+#include <linux/memblock.h>
22
18
 #include <linux/completion.h>
23
19
 #include <linux/spinlock.h>
24
20
 #include <asm/sections.h>
..
..
@@ -59,7 +55,7 @@
59
55
   u8		cksum;
60
56
   u16		len;
61
57
   char          name[12];
62
-  u8		data[0];
58
+  u8		data[];
63
59
 };
64
60
 
65
61
 struct core99_header {
..
..
@@ -146,6 +142,11 @@
146
142
 #ifdef CONFIG_PPC32
147
143
 static volatile unsigned char __iomem *nvram_addr;
148
144
 static int nvram_mult;
145
+
146
+static ssize_t ppc32_nvram_size(void)
147
+{
148
+	return NVRAM_SIZE;
149
+}
149
150
 
150
151
 static unsigned char direct_nvram_read_byte(int addr)
151
152
 {
..
..
@@ -513,7 +514,10 @@
513
514
 		printk(KERN_ERR "nvram: no address\n");
514
515
 		return -EINVAL;
515
516
 	}
516
-	nvram_image = memblock_virt_alloc(NVRAM_SIZE, 0);
517
+	nvram_image = memblock_alloc(NVRAM_SIZE, SMP_CACHE_BYTES);
518
+	if (!nvram_image)
519
+		panic("%s: Failed to allocate %u bytes\n", __func__,
520
+		      NVRAM_SIZE);
517
521
 	nvram_data = ioremap(addr, NVRAM_SIZE*2);
518
522
 	nvram_naddrs = 1; /* Make sure we get the correct case */
519
523
 
..
..
@@ -590,21 +594,25 @@
590
594
 		nvram_mult = 1;
591
595
 		ppc_md.nvram_read_val	= direct_nvram_read_byte;
592
596
 		ppc_md.nvram_write_val	= direct_nvram_write_byte;
597
+		ppc_md.nvram_size	= ppc32_nvram_size;
593
598
 	} else if (nvram_naddrs == 1) {
594
599
 		nvram_data = ioremap(r1.start, s1);
595
600
 		nvram_mult = (s1 + NVRAM_SIZE - 1) / NVRAM_SIZE;
596
601
 		ppc_md.nvram_read_val	= direct_nvram_read_byte;
597
602
 		ppc_md.nvram_write_val	= direct_nvram_write_byte;
603
+		ppc_md.nvram_size	= ppc32_nvram_size;
598
604
 	} else if (nvram_naddrs == 2) {
599
605
 		nvram_addr = ioremap(r1.start, s1);
600
606
 		nvram_data = ioremap(r2.start, s2);
601
607
 		ppc_md.nvram_read_val	= indirect_nvram_read_byte;
602
608
 		ppc_md.nvram_write_val	= indirect_nvram_write_byte;
609
+		ppc_md.nvram_size	= ppc32_nvram_size;
603
610
 	} else if (nvram_naddrs == 0 && sys_ctrler == SYS_CTRLER_PMU) {
604
611
 #ifdef CONFIG_ADB_PMU
605
612
 		nvram_naddrs = -1;
606
613
 		ppc_md.nvram_read_val	= pmu_nvram_read_byte;
607
614
 		ppc_md.nvram_write_val	= pmu_nvram_write_byte;
615
+		ppc_md.nvram_size	= ppc32_nvram_size;
608
616
 #endif /* CONFIG_ADB_PMU */
609
617
 	} else {
610
618
 		printk(KERN_ERR "Incompatible type of NVRAM\n");