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 <i...@hellion.org.uk>
Reviewed-by: Alexey Brodkin <abrod...@synopsys.com>
Acked-by: Marek Vasut <ma...@denx.de>
---
v2: Sign of with my own mail not my work mail. I made these changes on my
own time, but a .gitconfig vcsh mismerge caused "git commit -s" to use the
wrong thing. (I wondered why everyone was CCing me at work...)
---
 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 9824b42..b70df82 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;
-- 
1.9.0

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