change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/arch/sh/include/asm/pgtable.h
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@@ -1,13 +1,10 @@
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-/*
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+/* SPDX-License-Identifier: GPL-2.0
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+ *
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  * This file contains the functions and defines necessary to modify and
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  * use the SuperH page table tree.
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  *
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  * Copyright (C) 1999 Niibe Yutaka
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  * Copyright (C) 2002 - 2007 Paul Mundt
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- *
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- * This file is subject to the terms and conditions of the GNU General
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- * Public License.  See the file "COPYING" in the main directory of this
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- * archive for more details.
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  */
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 #ifndef __ASM_SH_PGTABLE_H
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 #define __ASM_SH_PGTABLE_H
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@@ -79,18 +76,10 @@
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 #define PTE_PHYS_MASK		(phys_addr_mask() & PAGE_MASK)
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 #define PTE_FLAGS_MASK		(~(PTE_PHYS_MASK) << PAGE_SHIFT)
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-#ifdef CONFIG_SUPERH32
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 #define VMALLOC_START	(P3SEG)
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-#else
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-#define VMALLOC_START	(0xf0000000)
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-#endif
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 #define VMALLOC_END	(FIXADDR_START-2*PAGE_SIZE)
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-#if defined(CONFIG_SUPERH32)
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 #include <asm/pgtable_32.h>
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-#else
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-#include <asm/pgtable_64.h>
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-#endif
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 /*
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  * SH-X and lower (legacy) SuperH parts (SH-3, SH-4, some SH-4A) can't do page
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@@ -126,11 +115,6 @@
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 #define pte_pfn(x)		((unsigned long)(((x).pte_low >> PAGE_SHIFT)))
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-/*
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- * Initialise the page table caches
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- */
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-extern void pgtable_cache_init(void);
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-
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 struct vm_area_struct;
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 struct mm_struct;
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@@ -152,10 +136,36 @@
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 extern void page_table_range_init(unsigned long start, unsigned long end,
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 				  pgd_t *pgd);
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+static inline bool __pte_access_permitted(pte_t pte, u64 prot)
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+{
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+	return (pte_val(pte) & (prot | _PAGE_SPECIAL)) == prot;
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+}
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+
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+#ifdef CONFIG_X2TLB
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+static inline bool pte_access_permitted(pte_t pte, bool write)
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+{
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+	u64 prot = _PAGE_PRESENT;
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+
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+	prot |= _PAGE_EXT(_PAGE_EXT_KERN_READ | _PAGE_EXT_USER_READ);
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+	if (write)
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+		prot |= _PAGE_EXT(_PAGE_EXT_KERN_WRITE | _PAGE_EXT_USER_WRITE);
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+	return __pte_access_permitted(pte, prot);
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+}
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+#else
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+static inline bool pte_access_permitted(pte_t pte, bool write)
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+{
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+	u64 prot = _PAGE_PRESENT | _PAGE_USER;
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+
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+	if (write)
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+		prot |= _PAGE_RW;
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+	return __pte_access_permitted(pte, prot);
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+}
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+#endif
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+
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+#define pte_access_permitted pte_access_permitted
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+
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 /* arch/sh/mm/mmap.c */
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 #define HAVE_ARCH_UNMAPPED_AREA
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 #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
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-
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-#include <asm-generic/pgtable.h>
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 #endif /* __ASM_SH_PGTABLE_H */