Giuseppe CAVALLARO c629882ac7 stmmac: prevent dma init stuck in case of failures.
Add a limit when perform the DMA reset procedure
so, in case of problems (i.e. PHY reset failed) the
Kernel won't hang on the stmmac DMA initialisation
blocking the Kernels execution.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-17 16:12:57 -07:00
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