From 1356fc3aa9d9cc99d9cc50599078b47b4533fc68 Mon Sep 17 00:00:00 2001
From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Date: Fri, 5 Apr 2013 03:16:14 +0100
Subject: [PATCH] --- yaml --- r: 372126 b: refs/heads/master c:
 dd0f67f4747797f36f0c6bab7fed6a1f2448476d h: refs/heads/master v: v3

---
 [refs]                          |  2 +-
 trunk/arch/arm/mm/dma-mapping.c | 15 ++++++++-------
 trunk/arch/arm/mm/flush.c       | 15 +++++++++------
 3 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/[refs] b/[refs]
index 36ec954fdfd5..626a77568478 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ae8a8b9553bd3906af74ff4e8d763904d20ab4e5
+refs/heads/master: dd0f67f4747797f36f0c6bab7fed6a1f2448476d
diff --git a/trunk/arch/arm/mm/dma-mapping.c b/trunk/arch/arm/mm/dma-mapping.c
index c7e3759f16d3..b47dd48d8634 100644
--- a/trunk/arch/arm/mm/dma-mapping.c
+++ b/trunk/arch/arm/mm/dma-mapping.c
@@ -822,16 +822,17 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset,
 		if (PageHighMem(page)) {
 			if (len + offset > PAGE_SIZE)
 				len = PAGE_SIZE - offset;
-			vaddr = kmap_high_get(page);
-			if (vaddr) {
-				vaddr += offset;
-				op(vaddr, len, dir);
-				kunmap_high(page);
-			} else if (cache_is_vipt()) {
-				/* unmapped pages might still be cached */
+
+			if (cache_is_vipt_nonaliasing()) {
 				vaddr = kmap_atomic(page);
 				op(vaddr + offset, len, dir);
 				kunmap_atomic(vaddr);
+			} else {
+				vaddr = kmap_high_get(page);
+				if (vaddr) {
+					op(vaddr + offset, len, dir);
+					kunmap_high(page);
+				}
 			}
 		} else {
 			vaddr = page_address(page) + offset;
diff --git a/trunk/arch/arm/mm/flush.c b/trunk/arch/arm/mm/flush.c
index 1c8f7f564175..0d473cce501c 100644
--- a/trunk/arch/arm/mm/flush.c
+++ b/trunk/arch/arm/mm/flush.c
@@ -170,15 +170,18 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page)
 	if (!PageHighMem(page)) {
 		__cpuc_flush_dcache_area(page_address(page), PAGE_SIZE);
 	} else {
-		void *addr = kmap_high_get(page);
-		if (addr) {
-			__cpuc_flush_dcache_area(addr, PAGE_SIZE);
-			kunmap_high(page);
-		} else if (cache_is_vipt()) {
-			/* unmapped pages might still be cached */
+		void *addr;
+
+		if (cache_is_vipt_nonaliasing()) {
 			addr = kmap_atomic(page);
 			__cpuc_flush_dcache_area(addr, PAGE_SIZE);
 			kunmap_atomic(addr);
+		} else {
+			addr = kmap_high_get(page);
+			if (addr) {
+				__cpuc_flush_dcache_area(addr, PAGE_SIZE);
+				kunmap_high(page);
+			}
 		}
 	}