staging: comedi: comedi_isadma.h: make self-reliant
authorIan Abbott <abbotti@mev.co.uk>
Fri, 22 May 2015 17:45:25 +0000 (18:45 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 31 May 2015 01:07:17 +0000 (10:07 +0900)
commit3a62cdb7f64f80579ce18178ecc145f01c1ad746
tree7ed566c1bd47d3e66792973fe0c6ae4c37fe3dea
parentb727255f01fa519e1bfb047e3eefb9bb74512404
staging: comedi: comedi_isadma.h: make self-reliant

The Comedi "comedi_isadma.h" header is included by the source for the
"comedi_isadma" helper module and other modules that use it.  It does
not compile cleanly when it is the first header file included.  It uses
the `dma_addr_t` type, so include <linux/types.h> to declare it.  (Also,
that indirectly takes care of the use of `NULL`.)  It uses `struct
comedi_device *` in various function prototypes, so add an incomplete
declaration of `struct comedi_device`.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/comedi_isadma.h