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authorGiuseppe CAVALLARO2011-11-16 21:58:00 +0000
committerDavid S. Miller2011-11-17 03:13:41 -0500
commit19e30c14371f7afd38d1d35a693b96423a4db144 (patch)
treeb1e30774ec0ff4e3f13ec5f8c2cf05b6c807a075 /drivers/net/ethernet/atheros
parentc5b9b4e4b9076089fe7f9d4f5d1f2bba776646d2 (diff)
stmmac: parameters auto-tuning through HW cap reg
New GMAC devices (newer than the databook 3.50a) have the HW capability register that provides which features are actually supported by the hardware. On old devices many information have to be passed through the platform, for example: enhanced descriptor structure, TX COE etc. These are mandatory to properly configure the driver. This remains still valid because the driver has to support old Synopsys devices but now it's also able to override them using the values from the HW capability register if supported. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/atheros')
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