From: Michal Simek <monstr@monstr.eu>
Date: Thu, 10 Feb 2011 07:37:49 +0000 (+0100)
Subject: microblaze: Add support for DMA_BIDIRECTIONAL
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=5323c48b0cfd98d93eb29907450ca48d009545ad;p=openwrt%2Fstaging%2Fblogic.git

microblaze: Add support for DMA_BIDIRECTIONAL

CDMA requires DMA_BIDIRECTIONAL option.

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

diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 79c74659f204..393e6b2db688 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -26,6 +26,7 @@ static inline void __dma_sync_page(unsigned long paddr, unsigned long offset,
 {
 	switch (direction) {
 	case DMA_TO_DEVICE:
+	case DMA_BIDIRECTIONAL:
 		flush_dcache_range(paddr + offset, paddr + offset + size);
 		break;
 	case DMA_FROM_DEVICE: