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| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-07-19 17:39:33 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-19 23:19:39 (GMT) |
| commit | ddb01367b85df2c4c773bde047e5b04b6de1835b (patch) | |
| tree | 5a8155b7421792c9027793918e0691985acbf16a /drivers/staging/comedi/comedidev.h | |
| parent | 289a64295c9ae897c18302c15abd8f0464e8c6cb (diff) | |
| download | linux-fsl-qoriq-ddb01367b85df2c4c773bde047e5b04b6de1835b.tar.xz | |
staging: comedi: comedidev.h: introduce comedi_to_pci_dev() helper
Introduce a wrapper for to_pci_dev() to allow the comedi_pci_drivers
to store the pci_dev pointer in the comedi_device hw_dev variable and
retrieve it easily.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbot <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/comedidev.h')
| -rw-r--r-- | drivers/staging/comedi/comedidev.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index de8c99c..f713783 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -446,6 +446,11 @@ static inline void comedi_set_hw_dev(struct comedi_device *dev, } } +static inline struct pci_dev *comedi_to_pci_dev(struct comedi_device *dev) +{ + return dev->hw_dev ? to_pci_dev(dev->hw_dev) : NULL; +} + int comedi_buf_put(struct comedi_async *async, short x); int comedi_buf_get(struct comedi_async *async, short *x); |