unicore32: remove flush_cache_user_range

flush_cache_user_range is an ARMism not used by any generic or unicore32
specific code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Link: http://lkml.kernel.org/r/20200515143646.3857579-5-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/unicore32/include/asm/cacheflush.h b/arch/unicore32/include/asm/cacheflush.h
index dc8c0b4..9393ca4 100644 (file)
--- a/arch/unicore32/include/asm/cacheflush.h
+++ b/arch/unicore32/include/asm/cacheflush.h
@@ -133,14 +133,6 @@ extern void flush_cache_page(struct vm_area_struct *vma,
 #define flush_cache_dup_mm(mm) flush_cache_mm(mm)
 
 /*
- * flush_cache_user_range is used when we want to ensure that the
- * Harvard caches are synchronised for the user space address range.
- * This is used for the UniCore private sys_cacheflush system call.
- */
-#define flush_cache_user_range(vma, start, end) \
-       __cpuc_coherent_user_range((start) & PAGE_MASK, PAGE_ALIGN(end))
-
-/*
  * Perform necessary cache operations to ensure that data previously
  * stored within this range of addresses can be executed by the CPU.
  */