add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/m68k/include/asm/mcf_pgalloc.h
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@@ -12,8 +12,7 @@
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 extern const char bad_pmd_string[];
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-extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
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-	unsigned long address)
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+extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
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 {
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 	unsigned long page = __get_free_page(GFP_DMA);
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@@ -29,55 +28,44 @@
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 	return (pmd_t *) pgd;
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 }
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-#define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); })
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-#define pmd_alloc_one(mm, address)      ({ BUG(); ((pmd_t *)2); })
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+#define pmd_populate(mm, pmd, pte) (pmd_val(*pmd) = (unsigned long)(pte))
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-#define pte_alloc_one_fast(mm, addr) pte_alloc_one(mm, addr)
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+#define pmd_populate_kernel pmd_populate
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-#define pmd_populate(mm, pmd, page) (pmd_val(*pmd) = \
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-	(unsigned long)(page_address(page)))
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+#define pmd_pgtable(pmd) pfn_to_virt(pmd_val(pmd) >> PAGE_SHIFT)
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-#define pmd_populate_kernel(mm, pmd, pte) (pmd_val(*pmd) = (unsigned long)(pte))
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-
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-#define pmd_pgtable(pmd) pmd_page(pmd)
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-
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-static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page,
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+static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pgtable,
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 				  unsigned long address)
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 {
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-	pgtable_page_dtor(page);
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+	struct page *page = virt_to_page(pgtable);
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+
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+	pgtable_pte_page_dtor(page);
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 	__free_page(page);
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 }
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-#define __pmd_free_tlb(tlb, pmd, address) do { } while (0)
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-
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-static inline struct page *pte_alloc_one(struct mm_struct *mm,
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-	unsigned long address)
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+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
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 {
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 	struct page *page = alloc_pages(GFP_DMA, 0);
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 	pte_t *pte;
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 	if (!page)
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 		return NULL;
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-	if (!pgtable_page_ctor(page)) {
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+	if (!pgtable_pte_page_ctor(page)) {
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 		__free_page(page);
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 		return NULL;
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 	}
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-	pte = kmap(page);
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-	if (pte) {
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-		clear_page(pte);
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-		__flush_page_to_ram(pte);
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-		flush_tlb_kernel_page(pte);
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-		nocache_page(pte);
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-	}
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-	kunmap(page);
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+	pte = page_address(page);
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+	clear_page(pte);
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-	return page;
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+	return pte;
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 }
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-static inline void pte_free(struct mm_struct *mm, struct page *page)
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+static inline void pte_free(struct mm_struct *mm, pgtable_t pgtable)
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 {
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-	pgtable_page_dtor(page);
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+	struct page *page = virt_to_page(pgtable);
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+
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+	pgtable_pte_page_dtor(page);
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 	__free_page(page);
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 }
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..
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@@ -99,11 +87,9 @@
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 	new_pgd = (pgd_t *)__get_free_page(GFP_DMA | __GFP_NOWARN);
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 	if (!new_pgd)
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 		return NULL;
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-	memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE);
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+	memcpy(new_pgd, swapper_pg_dir, PTRS_PER_PGD * sizeof(pgd_t));
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 	memset(new_pgd, 0, PAGE_OFFSET >> PGDIR_SHIFT);
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 	return new_pgd;
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 }
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-
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-#define pgd_populate(mm, pmd, pte) BUG()
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 #endif /* M68K_MCF_PGALLOC_H */