From 1c848a258600490f6964597b92b69a107af141d6 Mon Sep 17 00:00:00 2001
From: Ian Campbell <ijc@hellion.org.uk>
Date: Thu, 8 May 2014 22:26:32 +0100
Subject: [PATCH] net/designware: ensure device private data is DMA aligned.
struct dw_eth_dev contains fields which are accessed via DMA, so make sure it
is aligned to a dma boundary. Without this I see:
ERROR: v7_dcache_inval_range - start address is not aligned - 0x7fb677e0
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Reviewed-by: Alexey Brodkin <abrodkin@synopsys.com>
Acked-by: Marek Vasut <marex@denx.de>
---
drivers/net/designware.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 78751b2600..41ab3ac0b6 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -414,7 +414,8 @@ int designware_initialize(ulong base_addr, u32 interface)
* Since the priv structure contains the descriptors which need a strict
* buswidth alignment, memalign is used to allocate memory
*/
- priv = (struct dw_eth_dev *) memalign(16, sizeof(struct dw_eth_dev));
+ priv = (struct dw_eth_dev *) memalign(ARCH_DMA_MINALIGN,
+ sizeof(struct dw_eth_dev));
if (!priv) {
free(dev);
return -ENOMEM;
--
2.39.5