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Commit 1f021e1f authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: allow pcmcia drivers to auto attach 



Introduce some helper functions to allow converting the comedi
pcmcia drivers to the comedi auto_attach mechanism.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 309231d7

drivers/staging/comedi/comedi_pcmcia.c

+36 −0
Original line number Diff line number Diff line
@@ -27,6 +27,42 @@ 


#include "comedidev.h"



/**

 * comedi_to_pcmcia_dev() - comedi_device pointer to pcmcia_device pointer.

 * @dev: comedi_device struct

 */

struct pcmcia_device *comedi_to_pcmcia_dev(struct comedi_device *dev)

{

	return dev->hw_dev ? to_pcmcia_dev(dev->hw_dev) : NULL;

}

EXPORT_SYMBOL_GPL(comedi_to_pcmcia_dev);



/**

 * comedi_pcmcia_auto_config() - Configure/probe a comedi PCMCIA driver.

 * @link: pcmcia_device struct

 * @driver: comedi_driver struct

 *

 * Typically called from the pcmcia_driver (*probe) function.

 */

int comedi_pcmcia_auto_config(struct pcmcia_device *link,

			      struct comedi_driver *driver)

{

	return comedi_auto_config(&link->dev, driver, 0);

}

EXPORT_SYMBOL_GPL(comedi_pcmcia_auto_config);



/**

 * comedi_pcmcia_auto_unconfig() - Unconfigure/remove a comedi PCMCIA driver.

 * @link: pcmcia_device struct

 *

 * Typically called from the pcmcia_driver (*remove) function.

 */

void comedi_pcmcia_auto_unconfig(struct pcmcia_device *link)

{

	comedi_auto_unconfig(&link->dev);

}

EXPORT_SYMBOL_GPL(comedi_pcmcia_auto_unconfig);



/**

 * comedi_pcmcia_driver_register() - Register a comedi PCMCIA driver.

 * @comedi_driver: comedi_driver struct

drivers/staging/comedi/comedidev.h

+6 −0
Original line number Diff line number Diff line
@@ -465,6 +465,12 @@ static inline void comedi_pci_disable(struct pci_dev *dev) 
/* comedi_pcmcia.c - comedi PCMCIA driver specific functions */



struct pcmcia_driver;

struct pcmcia_device;



struct pcmcia_device *comedi_to_pcmcia_dev(struct comedi_device *);



int comedi_pcmcia_auto_config(struct pcmcia_device *, struct comedi_driver *);

void comedi_pcmcia_auto_unconfig(struct pcmcia_device *);



int comedi_pcmcia_driver_register(struct comedi_driver *,

					struct pcmcia_driver *);