From 10ebd8556b7990499c896a550e3d416b444211e6 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 02:23:07 +0000
Subject: [PATCH] add led
---
kernel/arch/openrisc/include/asm/cacheflush.h | 37 +++++++------------------------------
1 files changed, 7 insertions(+), 30 deletions(-)
diff --git a/kernel/arch/openrisc/include/asm/cacheflush.h b/kernel/arch/openrisc/include/asm/cacheflush.h
index 70f46fd..eeac40d 100644
--- a/kernel/arch/openrisc/include/asm/cacheflush.h
+++ b/kernel/arch/openrisc/include/asm/cacheflush.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* OpenRISC Linux
*
@@ -8,11 +9,6 @@
* OpenRISC implementation:
* Copyright (C) Jan Henrik Weinstock <jan.weinstock@rwth-aachen.de>
* et al.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef __ASM_CACHEFLUSH_H
@@ -66,31 +62,12 @@
clear_bit(PG_dc_clean, &page->flags);
}
-/*
- * Other interfaces are not required since we do not have virtually
- * indexed or tagged caches. So we can use the default here.
- */
-#define flush_cache_all() do { } while (0)
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_dup_mm(mm) do { } while (0)
-#define flush_cache_range(vma, start, end) do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
-#define flush_icache_range(start, end) do { } while (0)
-#define flush_icache_page(vma, pg) do { } while (0)
-#define flush_icache_user_range(vma, pg, adr, len) do { } while (0)
-#define flush_cache_vmap(start, end) do { } while (0)
-#define flush_cache_vunmap(start, end) do { } while (0)
+#define flush_icache_user_page(vma, page, addr, len) \
+do { \
+ if (vma->vm_flags & VM_EXEC) \
+ sync_icache_dcache(page); \
+} while (0)
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
- do { \
- memcpy(dst, src, len); \
- if (vma->vm_flags & VM_EXEC) \
- sync_icache_dcache(page); \
- } while (0)
-
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
- memcpy(dst, src, len)
+#include <asm-generic/cacheflush.h>
#endif /* __ASM_CACHEFLUSH_H */
--
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