staging: comedi: pcl812: remove VIRT_TO_BUS dependancy

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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>

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H Hartley Sweeten 2015-01-12 10:56:08 -07:00 • committed by Greg Kroah-Hartman

parent d8332a6897

commit 9fe11ffeb1

2 changed files with 10 additions and 12 deletions

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2

drivers/staging/comedi/Kconfig

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20

drivers/staging/comedi/drivers/pcl812.c

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