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stmmac: add HW DMA feature register (v3)
authorGiuseppe CAVALLARO <peppe.cavallaro@st.com>
Thu, 1 Sep 2011 21:51:41 +0000 (21:51 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 15 Sep 2011 19:40:01 +0000 (15:40 -0400)
New GMAC chips have an extra register to indicate
the presence of the optional features/functions of
the DMA core.

This patch adds this support and all the HW cap
are exported via debugfs.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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