From: Michal Simek <monstr@monstr.eu>
Date: Thu, 29 Apr 2010 11:02:17 +0000 (+0200)
Subject: microblaze: Fix consistent-sync code
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=385e1efafc73a5deeb20645ae8b227b4896852e2;p=deliverable%2Flinux.git

microblaze: Fix consistent-sync code

PCI_DMA_FROMDEVICE should call invalidation not flushing.

Signed-off-by: Michal Simek <monstr@monstr.eu>
---

diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c
index 713431caf592..5a59dad62bd2 100644
--- a/arch/microblaze/mm/consistent.c
+++ b/arch/microblaze/mm/consistent.c
@@ -229,7 +229,7 @@ void consistent_sync(void *vaddr, size_t size, int direction)
 	case PCI_DMA_NONE:
 		BUG();
 	case PCI_DMA_FROMDEVICE:	/* invalidate only */
-		flush_dcache_range(start, end);
+		invalidate_dcache_range(start, end);
 		break;
 	case PCI_DMA_TODEVICE:		/* writeback only */
 		flush_dcache_range(start, end);