change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/arch/powerpc/include/asm/tlb.h
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@@ -1,22 +1,17 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  *	TLB shootdown specifics for powerpc
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  *
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  * Copyright (C) 2002 Anton Blanchard, IBM Corp.
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  * Copyright (C) 2002 Paul Mackerras, IBM Corp.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  */
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 #ifndef _ASM_POWERPC_TLB_H
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 #define _ASM_POWERPC_TLB_H
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 #ifdef __KERNEL__
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 #ifndef __powerpc64__
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-#include <asm/pgtable.h>
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+#include <linux/pgtable.h>
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 #endif
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-#include <asm/pgalloc.h>
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 #ifndef __powerpc64__
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 #include <asm/page.h>
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 #include <asm/mmu.h>
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@@ -27,9 +22,20 @@
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 #define tlb_start_vma(tlb, vma)	do { } while (0)
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 #define tlb_end_vma(tlb, vma)	do { } while (0)
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 #define __tlb_remove_tlb_entry	__tlb_remove_tlb_entry
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-#define tlb_remove_check_page_size_change tlb_remove_check_page_size_change
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+#define tlb_flush tlb_flush
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 extern void tlb_flush(struct mmu_gather *tlb);
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+/*
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+ * book3s:
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+ * Hash does not use the linux page-tables, so we can avoid
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+ * the TLB invalidate for page-table freeing, Radix otoh does use the
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+ * page-tables and needs the TLBI.
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+ *
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+ * nohash:
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+ * We still do TLB invalidate in the __pte_free_tlb routine before we
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+ * add the page table pages to mmu gather table batch.
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+ */
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+#define tlb_needs_table_invalidate()	radix_enabled()
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 /* Get the generic bits... */
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 #include <asm-generic/tlb.h>
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@@ -40,26 +46,10 @@
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 static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
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 					  unsigned long address)
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 {
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-#ifdef CONFIG_PPC_STD_MMU_32
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+#ifdef CONFIG_PPC_BOOK3S_32
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 	if (pte_val(*ptep) & _PAGE_HASHPTE)
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 		flush_hash_entry(tlb->mm, ptep, address);
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 #endif
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-}
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-
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-static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb,
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-						     unsigned int page_size)
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-{
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-	if (!tlb->page_size)
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-		tlb->page_size = page_size;
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-	else if (tlb->page_size != page_size) {
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-		if (!tlb->fullmm)
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-			tlb_flush_mmu(tlb);
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-		/*
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-		 * update the page size after flush for the new
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-		 * mmu_gather.
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-		 */
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-		tlb->page_size = page_size;
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-	}
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 }
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 #ifdef CONFIG_SMP