[U-Boot] [PATCH] net/designware: align DMA buffer descriptors to D$ line

[U-Boot] [PATCH] net/designware: align DMA buffer descriptors to D$ line

[Alexey Brodkin]

It's important to have ability to flush/invalidate each DMA buffer descriptor
individually to prevent incoherency of adjacent BDs.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>

Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Vipin Kumar <vipin.kumar@st.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Cc: Amit Virdi <amit.virdi@st.com>
Cc: Sonic Zhang <sonic.zhang@analog.com>
---
 drivers/net/designware.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/designware.h b/drivers/net/designware.h
index afeacce..382b0c7 100644
--- a/drivers/net/designware.h
+++ b/drivers/net/designware.h
@@ -110,7 +110,7 @@ struct dmamacdescr {
 	u32 dmamac_cntl;
 	void *dmamac_addr;
 	struct dmamacdescr *dmamac_next;
-} __aligned(16);
+} __aligned(ARCH_DMA_MINALIGN);
 
 /*
  * txrx_status definitions
-- 
1.8.5.3

[U-Boot] net/designware: align DMA buffer descriptors to D$ line

[Tom Rini]

On Fri, Mar 21, 2014 at 04:16:57PM +0400, Alexey Brodkin wrote:

> It's important to have ability to flush/invalidate each DMA buffer descriptor
> individually to prevent incoherency of adjacent BDs.
> 
> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>

Applied to u-boot/master, thanks!

-- 
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.denx.de/pipermail/u-boot/attachments/20140328/f5e62665/attachment.pgp>