staging: comedi: pcl812: 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 59c17e6..4441600 100644
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -168,7 +168,7 @@
config COMEDI_PCL812
tristate "Advantech PCL-812/813 and ADlink ACL-8112/8113/8113/8216"
- depends on VIRT_TO_BUS && ISA_DMA_API
+ depends on ISA_DMA_API
---help---
Enable support for Advantech PCL-812/PG, PCL-813/B, ADLink
ACL-8112DG/HG/PG, ACL-8113, ACL-8216, ICP DAS A-821PGH/PGL/PGL-NDA,