diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-01-20 12:06:00 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-25 19:59:09 +0800 |
| commit | 84bb0bccd26ec3029124a9dd200b985c1cde77bd (patch) | |
| tree | c83a6733ee374c6d7f08109a6e7952b68d01403e /drivers/staging/comedi/comedidev.h | |
| parent | 738e1e1bd7995208e968fe9ad5424856f7f44b65 (diff) | |
staging: comedi: comedidev.h: add namespace to the subdevice "runflags"
Tidy up and document the subdevice "runflags". Rename them so they have
comedi namespace.
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>
Diffstat (limited to 'drivers/staging/comedi/comedidev.h')
| -rw-r--r-- | drivers/staging/comedi/comedidev.h | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index 928572fc958c..e5daaeb6b013 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -302,15 +302,22 @@ void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s); struct comedi_device *comedi_dev_get_from_minor(unsigned minor); int comedi_dev_put(struct comedi_device *dev); -/* subdevice runflags */ -enum subdevice_runflags { - SRF_RT = 0x00000002, - /* indicates an COMEDI_CB_ERROR event has occurred since the last - * command was started */ - SRF_ERROR = 0x00000004, - SRF_RUNNING = 0x08000000, - SRF_FREE_SPRIV = 0x80000000, /* free s->private on detach */ -}; +/** + * comedi_subdevice "runflags" + * @COMEDI_SRF_RT: DEPRECATED: command is running real-time + * @COMEDI_SRF_ERROR: indicates an COMEDI_CB_ERROR event has occurred + * since the last command was started + * @COMEDI_SRF_RUNNING: command is running + * @COMEDI_SRF_FREE_SPRIV: free s->private on detach + * + * @COMEDI_SRF_BUSY_MASK: runflags that indicate the subdevice is "busy" + */ +#define COMEDI_SRF_RT BIT(1) +#define COMEDI_SRF_ERROR BIT(2) +#define COMEDI_SRF_RUNNING BIT(27) +#define COMEDI_SRF_FREE_SPRIV BIT(31) + +#define COMEDI_SRF_BUSY_MASK (COMEDI_SRF_ERROR | COMEDI_SRF_RUNNING) bool comedi_is_subdevice_running(struct comedi_subdevice *s); |