can: CAN_GRCAN should depend on HAS_DMA

If NO_DMA=y:

    drivers/built-in.o: In function `grcan_free_dma_buffers':
    grcan.c:(.text+0x2d7716): undefined reference to `dma_free_coherent'
    drivers/built-in.o: In function `grcan_allocate_dma_buffers':
    grcan.c:(.text+0x2d779c): undefined reference to `dma_alloc_coherent'

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geert Uytterhoeven 2015-04-23 20:04:51 +02:00 committed by David S. Miller
parent 0357cc1def
commit 2fb42aab48

View File

@ -112,7 +112,7 @@ config PCH_CAN
config CAN_GRCAN
tristate "Aeroflex Gaisler GRCAN and GRHCAN CAN devices"
depends on OF
depends on OF && HAS_DMA
---help---
Say Y here if you want to use Aeroflex Gaisler GRCAN or GRHCAN.
Note that the driver supports little endian, even though little