8xx: restrict ENET_BIG_BUFFERS option to drivers which actually use it
Signed-off-by: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
        
 config ENET_BIG_BUFFERS
        bool "Use Big CPM Ethernet Buffers"
-       depends on NET_ETHERNET
+       depends on SCC_ENET || FEC_ENET
        help
          Allocate large buffers for MPC8xx Ethernet. Increases throughput
          and decreases the likelihood of dropped packets, but costs memory.