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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>
This commit is contained in:
Ian Campbell 2014-05-08 22:26:32 +01:00 committed by Albert ARIBAUD
parent 50827a5991
commit 1c848a2586
1 changed files with 2 additions and 1 deletions
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3
drivers/net/designware.c
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@ -414,7 +414,8 @@ int designware_initialize(ulong base_addr, u32 interface)
* Since the priv structure contains the descriptors which need a strict * Since the priv structure contains the descriptors which need a strict
* buswidth alignment, memalign is used to allocate memory * 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) { if (!priv) {
free(dev); free(dev);
return -ENOMEM; return -ENOMEM;