caif-driver: add HAS_DMA dependency

Fix this error on an s390 allyesconfig build:

linux-2.6/drivers/net/caif/caif_spi.c:98:
    undefined reference to `dma_free_coherent'

Cc: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiko Carstens 2010-08-24 12:21:13 -07:00 committed by David S. Miller
parent aa25ab7d94
commit 9dc002d8d9

View File

@ -15,7 +15,7 @@ config CAIF_TTY
config CAIF_SPI_SLAVE
tristate "CAIF SPI transport driver for slave interface"
depends on CAIF
depends on CAIF && HAS_DMA
default n
---help---
The CAIF Link layer SPI Protocol driver for Slave SPI interface.