staging: comedi: dt282x: remove VIRT_TO_BUS dependancy
Use dma_{alloc,free}_coherent() to allocate and free the DMA buffers.
This removes the dependancy on VIRT_TO_BUS.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
index 4441600..37f33c4 100644
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -372,7 +372,7 @@
config COMEDI_DT282X
tristate "Data Translation DT2821 series and DT-EZ ISA card support"
- depends on VIRT_TO_BUS && ISA_DMA_API
+ depends on ISA_DMA_API
---help---
Enable support for Data Translation DT2821 series including DT-EZ
DT2821, DT2821-F-16SE, DT2821-F-8DI, DT2821-G-16SE, DT2821-G-8DI,