change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/arch/arc/include/asm/highmem.h
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@@ -1,10 +1,6 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (C) 2015 Synopsys, Inc. (www.synopsys.com)
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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  */
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 #ifndef _ASM_HIGHMEM_H
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@@ -29,16 +25,7 @@
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 #define PKMAP_ADDR(nr)		(PKMAP_BASE + ((nr) << PAGE_SHIFT))
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 #define PKMAP_NR(virt)		(((virt) - PKMAP_BASE) >> PAGE_SHIFT)
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-#define kmap_prot		PAGE_KERNEL
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-
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-
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 #include <asm/cacheflush.h>
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-
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-extern void *kmap(struct page *page);
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-extern void *kmap_high(struct page *page);
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-extern void *kmap_atomic(struct page *page);
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-extern void __kunmap_atomic(void *kvaddr);
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-extern void kunmap_high(struct page *page);
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 extern void kmap_init(void);
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@@ -46,15 +33,6 @@
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 {
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 	flush_cache_all();
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 }
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-
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-static inline void kunmap(struct page *page)
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-{
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-	BUG_ON(in_interrupt());
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-	if (!PageHighMem(page))
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-		return;
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-	kunmap_high(page);
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-}
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-
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 #endif
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