Merge tag 'nios2-v4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2

Pull nios2 fix from Ley Foon Tan:
 "nios2: fix cache coherency"

* tag 'nios2-v4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
  nios2: fix cache coherency
diff --git a/arch/nios2/mm/cacheflush.c b/arch/nios2/mm/cacheflush.c
index 223cdcc..87bf88e 100644
--- a/arch/nios2/mm/cacheflush.c
+++ b/arch/nios2/mm/cacheflush.c
@@ -23,22 +23,6 @@
 	end += (cpuinfo.dcache_line_size - 1);
 	end &= ~(cpuinfo.dcache_line_size - 1);
 
-	for (addr = start; addr < end; addr += cpuinfo.dcache_line_size) {
-		__asm__ __volatile__ ("   flushda 0(%0)\n"
-					: /* Outputs */
-					: /* Inputs  */ "r"(addr)
-					/* : No clobber */);
-	}
-}
-
-static void __flush_dcache_all(unsigned long start, unsigned long end)
-{
-	unsigned long addr;
-
-	start &= ~(cpuinfo.dcache_line_size - 1);
-	end += (cpuinfo.dcache_line_size - 1);
-	end &= ~(cpuinfo.dcache_line_size - 1);
-
 	if (end > start + cpuinfo.dcache_size)
 		end = start + cpuinfo.dcache_size;
 
@@ -112,7 +96,7 @@
 
 void flush_cache_all(void)
 {
-	__flush_dcache_all(0, cpuinfo.dcache_size);
+	__flush_dcache(0, cpuinfo.dcache_size);
 	__flush_icache(0, cpuinfo.icache_size);
 }
 
@@ -182,7 +166,7 @@
 	 */
 	unsigned long start = (unsigned long)page_address(page);
 
-	__flush_dcache_all(start, start + PAGE_SIZE);
+	__flush_dcache(start, start + PAGE_SIZE);
 }
 
 void flush_dcache_page(struct page *page)
@@ -268,7 +252,7 @@
 {
 	flush_cache_page(vma, user_vaddr, page_to_pfn(page));
 	memcpy(dst, src, len);
-	__flush_dcache_all((unsigned long)src, (unsigned long)src + len);
+	__flush_dcache((unsigned long)src, (unsigned long)src + len);
 	if (vma->vm_flags & VM_EXEC)
 		__flush_icache((unsigned long)src, (unsigned long)src + len);
 }
@@ -279,7 +263,7 @@
 {
 	flush_cache_page(vma, user_vaddr, page_to_pfn(page));
 	memcpy(dst, src, len);
-	__flush_dcache_all((unsigned long)dst, (unsigned long)dst + len);
+	__flush_dcache((unsigned long)dst, (unsigned long)dst + len);
 	if (vma->vm_flags & VM_EXEC)
 		__flush_icache((unsigned long)dst, (unsigned long)dst + len);
 }