RE: [PATCH 1/2] staging: comedi: export comedi_set_hw_dev()

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On Friday, February 01, 2013 6:23 AM, Ian Abbott wrote:
> Chnage the inline `comedi_set_hw_dev()` to an exported function and
> change it's return type from `void` to `int` so we can impose some
> restrictions (in a later patch) and return an error if necessary.
>
> Only a few comedi drivers call this, although they don't need to if the
> hardware device has been attached automatically via
> `comedi_auto_config()` and the comedi driver's `auto_attach()` method.
>
> Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
> ---
>  drivers/staging/comedi/comedidev.h |  9 +--------
>  drivers/staging/comedi/drivers.c   | 10 ++++++++++
>  2 files changed, 11 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
> index f4541ae..33207fb 100644
> --- a/drivers/staging/comedi/comedidev.h
> +++ b/drivers/staging/comedi/comedidev.h
> @@ -324,14 +324,7 @@ static inline unsigned int bytes_per_sample(const struct comedi_subdevice *subd)
>   * known bus type.  Set automatically for auto-configured devices.
>   * Automatically set to NULL when detaching hardware device.
>   */
> -static inline void comedi_set_hw_dev(struct comedi_device *dev,
> -				     struct device *hw_dev)
> -{
> -	struct device *old_hw_dev = dev->hw_dev;
> -
> -	dev->hw_dev = get_device(hw_dev);
> -	put_device(old_hw_dev);
> -}
> +int comedi_set_hw_dev(struct comedi_device *dev, struct device *hw_dev);

Minor nitpick...

The variable names are not needed in the prototype of a function
in a header.

Either way, for both patches...

Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers>
 

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