arm64: rename __asm_flush_dcache_level to __asm_dcache_level

Since 1e6ad55c ("armv8/cache: Change cache invalidate and flush
function"), this routine can be used for both cache flushing and
cache invalidation.  So, it is better to not include "flush" in
this routine name.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/cpu/armv8/cache.S

@@ -14,15 +14,15 @@
 #include <linux/linkage.h>
 
 /*
- * void __asm_flush_dcache_level(level)
+ * void __asm_dcache_level(level)
  *
- * clean and invalidate one level cache.
+ * flush or invalidate one level cache.
  *
  * x0: cache level
  * x1: 0 clean & invalidate, 1 invalidate only
  * x2~x9: clobbered
  */
-ENTRY(__asm_flush_dcache_level)
+ENTRY(__asm_dcache_level)
 	lsl	x12, x0, #1
 	msr	csselr_el1, x12		/* select cache level */
 	isb				/* sync change of cssidr_el1 */
@@ -57,14 +57,14 @@ loop_way:
 	b.ge	loop_set
 
 	ret
-ENDPROC(__asm_flush_dcache_level)
+ENDPROC(__asm_dcache_level)
 
 /*
  * void __asm_flush_dcache_all(int invalidate_only)
  *
  * x0: 0 clean & invalidate, 1 invalidate only
  *
- * clean and invalidate all data cache by SET/WAY.
+ * flush or invalidate all data cache by SET/WAY.
  */
 ENTRY(__asm_dcache_all)
 	mov	x1, x0
@@ -87,7 +87,7 @@ loop_level:
 	and	x12, x12, #7		/* x12 <- cache type */
 	cmp	x12, #2
 	b.lt	skip			/* skip if no cache or icache */
-	bl	__asm_flush_dcache_level	/* x1 = 0 flush, 1 invalidate */
+	bl	__asm_dcache_level	/* x1 = 0 flush, 1 invalidate */
 skip:
 	add	x0, x0, #1		/* increment cache level */
 	cmp	x11, x0