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From:   Christoph Hellwig <hch@lst.de>
To:     Andrew Morton <akpm@linux-foundation.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Roman Zippel <zippel@linux-m68k.org>
Cc:     Jessica Yu <jeyu@kernel.org>, Michal Simek <monstr@monstr.eu>,
        x86@kernel.org, linux-alpha@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org,
        linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
        linux-mips@vger.kernel.org, openrisc@lists.librecores.org,
        linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
        linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
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        linux-fsdevel@vger.kernel.org
Subject: [PATCH 16/31] m68knommu: use asm-generic/cacheflush.h
Date:   Sun, 10 May 2020 09:54:55 +0200
Message-Id: <20200510075510.987823-17-hch@lst.de>
In-Reply-To: <20200510075510.987823-1-hch@lst.de>
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m68knommu needs almost no cache flushing routines of its own.  Rely on
asm-generic/cacheflush.h for the defaults.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/m68k/include/asm/cacheflush_no.h | 19 ++-----------------
 1 file changed, 2 insertions(+), 17 deletions(-)

diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h
index 11e9a9dcbfb24..2731f07e7be8c 100644
--- a/arch/m68k/include/asm/cacheflush_no.h
+++ b/arch/m68k/include/asm/cacheflush_no.h
@@ -9,25 +9,8 @@
 #include <asm/mcfsim.h>
 
 #define flush_cache_all()			__flush_cache_all()
-#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)		do { } while (0)
 #define flush_dcache_range(start, len)		__flush_dcache_all()
-#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
-#define flush_dcache_page(page)			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, len)		__flush_icache_all()
-#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 copy_to_user_page(vma, page, vaddr, dst, src, len) \
-	memcpy(dst, src, len)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
-	memcpy(dst, src, len)
 
 void mcf_cache_push(void);
 
@@ -98,4 +81,6 @@ static inline void cache_clear(unsigned long paddr, int len)
 	__clear_cache_all();
 }
 
+#include <asm-generic/cacheflush.h>
+
 #endif /* _M68KNOMMU_CACHEFLUSH_H */
-- 
2.26.2