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staging: comedi: change comedi_alloc_subdevice_minor parameters

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`comedi_alloc_subdevice_minor()` doesn't really need a parameter
pointing to a `struct comedi_device` as it can get this information from
the parameter pointing to a `struct comedi_subdevice`.  Just pass the
subdevice parameter.

Signed-by: Ian Abbott <abbotti@mev.co.uk>

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ian Abbott 2013-02-01 10:20:30 +00:00 committed by Greg Kroah-Hartman
parent e9ab1c2f7e
commit f65cc5447e
3 changed files with 4 additions and 5 deletions
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4
drivers/staging/comedi/comedi_fops.c
View File

@ -2352,9 +2352,9 @@ int comedi_find_board_minor(struct device *hardware_device)
return -ENODEV; return -ENODEV;
} }
int comedi_alloc_subdevice_minor(struct comedi_device *dev, int comedi_alloc_subdevice_minor(struct comedi_subdevice *s)
struct comedi_subdevice *s)
{ {
struct comedi_device *dev = s->device;
struct comedi_file_info *info; struct comedi_file_info *info;
struct device *csdev; struct device *csdev;
unsigned i; unsigned i;

3
drivers/staging/comedi/comedi_internal.h
View File

@ -11,8 +11,7 @@ int do_rangeinfo_ioctl(struct comedi_device *dev,
int comedi_alloc_board_minor(struct device *hardware_device); int comedi_alloc_board_minor(struct device *hardware_device);
void comedi_free_board_minor(unsigned minor); void comedi_free_board_minor(unsigned minor);
int comedi_find_board_minor(struct device *hardware_device); int comedi_find_board_minor(struct device *hardware_device);
int comedi_alloc_subdevice_minor(struct comedi_device *dev, int comedi_alloc_subdevice_minor(struct comedi_subdevice *s);
struct comedi_subdevice *s);
void comedi_free_subdevice_minor(struct comedi_subdevice *s); void comedi_free_subdevice_minor(struct comedi_subdevice *s);
int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s, int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,

2
drivers/staging/comedi/drivers.c
View File

@ -209,7 +209,7 @@ static int __comedi_device_postconfig_async(struct comedi_device *dev,
return ret; return ret;
} }
comedi_alloc_subdevice_minor(dev, s); comedi_alloc_subdevice_minor(s);
return 0; return 0;
} }