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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/arch/hexagon/include/asm/cacheflush.h
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@@ -1,21 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Cache flush operations for the Hexagon architecture
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  *
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  * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
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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 and
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- * only version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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- * 02110-1301, USA.
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  */
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 #ifndef _ASM_CACHEFLUSH_H
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@@ -38,29 +25,17 @@
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 #define LINESIZE	32
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 #define LINEBITS	5
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-#define flush_cache_all()			do { } while (0)
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-#define flush_cache_mm(mm)			do { } while (0)
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-#define flush_cache_dup_mm(mm)			do { } while (0)
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-#define flush_cache_range(vma, start, end)	do { } while (0)
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-#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)
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-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
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-#define flush_dcache_page(page)			do { } while (0)
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-#define flush_dcache_mmap_lock(mapping)		do { } while (0)
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-#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
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-#define flush_icache_page(vma, pg)		do { } while (0)
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-#define flush_icache_user_range(vma, pg, adr, len)	do { } while (0)
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-#define flush_cache_vmap(start, end)		do { } while (0)
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-#define flush_cache_vunmap(start, end)		do { } while (0)
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-
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 /*
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  * Flush Dcache range through current map.
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  */
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 extern void flush_dcache_range(unsigned long start, unsigned long end);
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+#define flush_dcache_range flush_dcache_range
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 /*
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  * Flush Icache range through current map.
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  */
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 extern void flush_icache_range(unsigned long start, unsigned long end);
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+#define flush_icache_range flush_icache_range
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 /*
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  * Memory-management related flushes are there to ensure in non-physically
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@@ -91,6 +66,7 @@
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 void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
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 		       unsigned long vaddr, void *dst, void *src, int len);
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+#define copy_to_user_page copy_to_user_page
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 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
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 	memcpy(dst, src, len)
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@@ -98,4 +74,6 @@
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 extern void hexagon_inv_dcache_range(unsigned long start, unsigned long end);
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 extern void hexagon_clean_dcache_range(unsigned long start, unsigned long end);
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+#include <asm-generic/cacheflush.h>
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+
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 #endif