add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/powerpc/mm/book3s64/radix_pgtable.c
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@@ -783,9 +783,9 @@
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 }
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 static void remove_pte_table(pte_t *pte_start, unsigned long addr,
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-			     unsigned long end)
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+			     unsigned long end, bool direct)
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 {
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-	unsigned long next;
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+	unsigned long next, pages = 0;
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 	pte_t *pte;
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 	pte = pte_start + pte_index(addr);
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@@ -807,13 +807,16 @@
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 		}
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 		pte_clear(&init_mm, addr, pte);
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+		pages++;
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 	}
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+	if (direct)
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+		update_page_count(mmu_virtual_psize, -pages);
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 }
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 static void __meminit remove_pmd_table(pmd_t *pmd_start, unsigned long addr,
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-			     unsigned long end)
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+				       unsigned long end, bool direct)
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 {
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-	unsigned long next;
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+	unsigned long next, pages = 0;
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 	pte_t *pte_base;
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 	pmd_t *pmd;
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@@ -831,19 +834,22 @@
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 				continue;
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 			}
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 			pte_clear(&init_mm, addr, (pte_t *)pmd);
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+			pages++;
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 			continue;
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 		}
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 		pte_base = (pte_t *)pmd_page_vaddr(*pmd);
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-		remove_pte_table(pte_base, addr, next);
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+		remove_pte_table(pte_base, addr, next, direct);
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 		free_pte_table(pte_base, pmd);
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 	}
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+	if (direct)
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+		update_page_count(MMU_PAGE_2M, -pages);
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 }
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 static void __meminit remove_pud_table(pud_t *pud_start, unsigned long addr,
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-			     unsigned long end)
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+				       unsigned long end, bool direct)
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 {
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-	unsigned long next;
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+	unsigned long next, pages = 0;
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 	pmd_t *pmd_base;
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 	pud_t *pud;
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..
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@@ -861,16 +867,20 @@
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 				continue;
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 			}
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 			pte_clear(&init_mm, addr, (pte_t *)pud);
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+			pages++;
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 			continue;
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 		}
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-		pmd_base = (pmd_t *)pud_page_vaddr(*pud);
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-		remove_pmd_table(pmd_base, addr, next);
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+		pmd_base = pud_pgtable(*pud);
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+		remove_pmd_table(pmd_base, addr, next, direct);
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 		free_pmd_table(pmd_base, pud);
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 	}
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+	if (direct)
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+		update_page_count(MMU_PAGE_1G, -pages);
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 }
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-static void __meminit remove_pagetable(unsigned long start, unsigned long end)
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+static void __meminit remove_pagetable(unsigned long start, unsigned long end,
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+				       bool direct)
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 {
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 	unsigned long addr, next;
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 	pud_t *pud_base;
..
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@@ -898,8 +908,8 @@
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 			continue;
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 		}
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-		pud_base = (pud_t *)p4d_page_vaddr(*p4d);
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-		remove_pud_table(pud_base, addr, next);
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+		pud_base = p4d_pgtable(*p4d);
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+		remove_pud_table(pud_base, addr, next, direct);
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 		free_pud_table(pud_base, p4d);
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 	}
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..
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@@ -922,7 +932,7 @@
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 int __meminit radix__remove_section_mapping(unsigned long start, unsigned long end)
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 {
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-	remove_pagetable(start, end);
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+	remove_pagetable(start, end, true);
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 	return 0;
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 }
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 #endif /* CONFIG_MEMORY_HOTPLUG */
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@@ -958,7 +968,7 @@
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 #ifdef CONFIG_MEMORY_HOTPLUG
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 void __meminit radix__vmemmap_remove_mapping(unsigned long start, unsigned long page_size)
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 {
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-	remove_pagetable(start, start + page_size);
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+	remove_pagetable(start, start + page_size, false);
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 }
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 #endif
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 #endif
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@@ -1064,8 +1074,8 @@
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 				  pte_t entry, unsigned long address, int psize)
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 {
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 	struct mm_struct *mm = vma->vm_mm;
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-	unsigned long set = pte_val(entry) & (_PAGE_DIRTY | _PAGE_ACCESSED |
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-					      _PAGE_RW | _PAGE_EXEC);
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+	unsigned long set = pte_val(entry) & (_PAGE_DIRTY | _PAGE_SOFT_DIRTY |
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+					      _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC);
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 	unsigned long change = pte_val(entry) ^ pte_val(*ptep);
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 	/*
..
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@@ -1156,7 +1166,7 @@
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 	pmd_t *pmd;
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 	int i;
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-	pmd = (pmd_t *)pud_page_vaddr(*pud);
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+	pmd = pud_pgtable(*pud);
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 	pud_clear(pud);
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 	flush_tlb_kernel_range(addr, addr + PUD_SIZE);