add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/um/kernel/mem.c
..
..
@@ -1,11 +1,11 @@
1
+// SPDX-License-Identifier: GPL-2.0
1
2
 /*
2
3
  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3
- * Licensed under the GPL
4
4
  */
5
5
 
6
6
 #include <linux/stddef.h>
7
7
 #include <linux/module.h>
8
-#include <linux/bootmem.h>
8
+#include <linux/memblock.h>
9
9
 #include <linux/highmem.h>
10
10
 #include <linux/mm.h>
11
11
 #include <linux/swap.h>
..
..
@@ -31,6 +31,7 @@
31
31
 
32
32
 /* Initialized at boot time, and readonly after that */
33
33
 unsigned long long highmem;
34
+EXPORT_SYMBOL(highmem);
34
35
 int kmalloc_ok = 0;
35
36
 
36
37
 /* Used during early boot */
..
..
@@ -46,13 +47,13 @@
46
47
 	 */
47
48
 	brk_end = (unsigned long) UML_ROUND_UP(sbrk(0));
48
49
 	map_memory(brk_end, __pa(brk_end), uml_reserved - brk_end, 1, 1, 0);
49
-	free_bootmem(__pa(brk_end), uml_reserved - brk_end);
50
+	memblock_free(__pa(brk_end), uml_reserved - brk_end);
50
51
 	uml_reserved = brk_end;
51
52
 
52
53
 	/* this will put all low memory onto the freelists */
53
-	free_all_bootmem();
54
-	max_low_pfn = totalram_pages;
55
-	max_pfn = totalram_pages;
54
+	memblock_free_all();
55
+	max_low_pfn = totalram_pages();
56
+	max_pfn = max_low_pfn;
56
57
 	mem_init_print_info(NULL);
57
58
 	kmalloc_ok = 1;
58
59
 }
..
..
@@ -64,7 +65,12 @@
64
65
 static void __init one_page_table_init(pmd_t *pmd)
65
66
 {
66
67
 	if (pmd_none(*pmd)) {
67
-		pte_t *pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
68
+		pte_t *pte = (pte_t *) memblock_alloc_low(PAGE_SIZE,
69
+							  PAGE_SIZE);
70
+		if (!pte)
71
+			panic("%s: Failed to allocate %lu bytes align=%lx\n",
72
+			      __func__, PAGE_SIZE, PAGE_SIZE);
73
+
68
74
 		set_pmd(pmd, __pmd(_KERNPG_TABLE +
69
75
 					   (unsigned long) __pa(pte)));
70
76
 		if (pte != pte_offset_kernel(pmd, 0))
..
..
@@ -75,7 +81,11 @@
75
81
 static void __init one_md_table_init(pud_t *pud)
76
82
 {
77
83
 #ifdef CONFIG_3_LEVEL_PGTABLES
78
-	pmd_t *pmd_table = (pmd_t *) alloc_bootmem_low_pages(PAGE_SIZE);
84
+	pmd_t *pmd_table = (pmd_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE);
85
+	if (!pmd_table)
86
+		panic("%s: Failed to allocate %lu bytes align=%lx\n",
87
+		      __func__, PAGE_SIZE, PAGE_SIZE);
88
+
79
89
 	set_pud(pud, __pud(_KERNPG_TABLE + (unsigned long) __pa(pmd_table)));
80
90
 	if (pmd_table != pmd_offset(pud, 0))
81
91
 		BUG();
..
..
@@ -86,6 +96,7 @@
86
96
 				 pgd_t *pgd_base)
87
97
 {
88
98
 	pgd_t *pgd;
99
+	p4d_t *p4d;
89
100
 	pud_t *pud;
90
101
 	pmd_t *pmd;
91
102
 	int i, j;
..
..
@@ -97,7 +108,8 @@
97
108
 	pgd = pgd_base + i;
98
109
 
99
110
 	for ( ; (i < PTRS_PER_PGD) && (vaddr < end); pgd++, i++) {
100
-		pud = pud_offset(pgd, vaddr);
111
+		p4d = p4d_offset(pgd, vaddr);
112
+		pud = pud_offset(p4d, vaddr);
101
113
 		if (pud_none(*pud))
102
114
 			one_md_table_init(pud);
103
115
 		pmd = pmd_offset(pud, vaddr);
..
..
@@ -113,9 +125,6 @@
113
125
 {
114
126
 #ifdef CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA
115
127
 	long size = FIXADDR_USER_END - FIXADDR_USER_START;
116
-	pgd_t *pgd;
117
-	pud_t *pud;
118
-	pmd_t *pmd;
119
128
 	pte_t *pte;
120
129
 	phys_t p;
121
130
 	unsigned long v, vaddr = FIXADDR_USER_START;
..
..
@@ -124,15 +133,16 @@
124
133
 		return;
125
134
 
126
135
 	fixrange_init( FIXADDR_USER_START, FIXADDR_USER_END, swapper_pg_dir);
127
-	v = (unsigned long) alloc_bootmem_low_pages(size);
136
+	v = (unsigned long) memblock_alloc_low(size, PAGE_SIZE);
137
+	if (!v)
138
+		panic("%s: Failed to allocate %lu bytes align=%lx\n",
139
+		      __func__, size, PAGE_SIZE);
140
+
128
141
 	memcpy((void *) v , (void *) FIXADDR_USER_START, size);
129
142
 	p = __pa(v);
130
143
 	for ( ; size > 0; size -= PAGE_SIZE, vaddr += PAGE_SIZE,
131
144
 		      p += PAGE_SIZE) {
132
-		pgd = swapper_pg_dir + pgd_index(vaddr);
133
-		pud = pud_offset(pgd, vaddr);
134
-		pmd = pmd_offset(pud, vaddr);
135
-		pte = pte_offset_kernel(pmd, vaddr);
145
+		pte = virt_to_kpte(vaddr);
136
146
 		pte_set_val(*pte, p, PAGE_READONLY);
137
147
 	}
138
148
 #endif
..
..
@@ -140,16 +150,17 @@
140
150
 
141
151
 void __init paging_init(void)
142
152
 {
143
-	unsigned long zones_size[MAX_NR_ZONES], vaddr;
144
-	int i;
153
+	unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
154
+	unsigned long vaddr;
145
155
 
146
-	empty_zero_page = (unsigned long *) alloc_bootmem_low_pages(PAGE_SIZE);
147
-	for (i = 0; i < ARRAY_SIZE(zones_size); i++)
148
-		zones_size[i] = 0;
156
+	empty_zero_page = (unsigned long *) memblock_alloc_low(PAGE_SIZE,
157
+							       PAGE_SIZE);
158
+	if (!empty_zero_page)
159
+		panic("%s: Failed to allocate %lu bytes align=%lx\n",
160
+		      __func__, PAGE_SIZE, PAGE_SIZE);
149
161
 
150
-	zones_size[ZONE_NORMAL] = (end_iomem >> PAGE_SHIFT) -
151
-		(uml_physmem >> PAGE_SHIFT);
152
-	free_area_init(zones_size);
162
+	max_zone_pfn[ZONE_NORMAL] = end_iomem >> PAGE_SHIFT;
163
+	free_area_init(max_zone_pfn);
153
164
 
154
165
 	/*
155
166
 	 * Fixed mappings, only the page table structure has to be
..
..
@@ -170,13 +181,6 @@
170
181
 {
171
182
 }
172
183
 
173
-#ifdef CONFIG_BLK_DEV_INITRD
174
-void free_initrd_mem(unsigned long start, unsigned long end)
175
-{
176
-	free_reserved_area((void *)start, (void *)end, -1, "initrd");
177
-}
178
-#endif
179
-
180
184
 /* Allocate and free page tables. */
181
185
 
182
186
 pgd_t *pgd_alloc(struct mm_struct *mm)
..
..
@@ -191,45 +195,6 @@
191
195
 	}
192
196
 	return pgd;
193
197
 }
194
-
195
-void pgd_free(struct mm_struct *mm, pgd_t *pgd)
196
-{
197
-	free_page((unsigned long) pgd);
198
-}
199
-
200
-pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
201
-{
202
-	pte_t *pte;
203
-
204
-	pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
205
-	return pte;
206
-}
207
-
208
-pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
209
-{
210
-	struct page *pte;
211
-
212
-	pte = alloc_page(GFP_KERNEL|__GFP_ZERO);
213
-	if (!pte)
214
-		return NULL;
215
-	if (!pgtable_page_ctor(pte)) {
216
-		__free_page(pte);
217
-		return NULL;
218
-	}
219
-	return pte;
220
-}
221
-
222
-#ifdef CONFIG_3_LEVEL_PGTABLES
223
-pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
224
-{
225
-	pmd_t *pmd = (pmd_t *) __get_free_page(GFP_KERNEL);
226
-
227
-	if (pmd)
228
-		memset(pmd, 0, PAGE_SIZE);
229
-
230
-	return pmd;
231
-}
232
-#endif
233
198
 
234
199
 void *uml_kmalloc(int size, int flags)
235
200
 {