If NO_DMA=y:
drivers/built-in.o: In function `at91ether_start':
drivers/net/ethernet/cadence/at91_ether.c:49: undefined reference to `dma_alloc_coherent'
drivers/net/ethernet/cadence/at91_ether.c:60: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `at91ether_interrupt':
drivers/net/ethernet/cadence/at91_ether.c:250: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `at91ether_start_xmit':
drivers/net/ethernet/cadence/at91_ether.c:169: undefined reference to `dma_map_single'
drivers/built-in.o: In function `at91ether_close':
drivers/net/ethernet/cadence/at91_ether.c:145: undefined reference to `dma_free_coherent'
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
---
drivers/net/ethernet/cadence/Kconfig | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/cadence/Kconfig b/drivers/net/ethernet/cadence/Kconfig
index 1194446..0d9d6e6 100644
--- a/drivers/net/ethernet/cadence/Kconfig
+++ b/drivers/net/ethernet/cadence/Kconfig
@@ -22,7 +22,7 @@ if NET_CADENCE
config ARM_AT91_ETHER
tristate "AT91RM9200 Ethernet support"
- depends on GENERIC_HARDIRQS
+ depends on GENERIC_HARDIRQS && HAS_DMA
select NET_CORE
select MACB
---help---