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Commit f85da084 authored by Maciej W. Rozycki's avatar Maciej W. Rozycki Committed by Ralf Baechle
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[EISA] EISA registration with !CONFIG_EISA 



This is a change for the EISA bus support to permit drivers to call
un/registration functions even if EISA support has not been enabled.  This is
similar to what PCI (and now TC) does and reduces the need for #ifdef clutter.

Signed-off-by: default avatarMaciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 9084b005

include/linux/eisa.h

+10 −0
Original line number Diff line number Diff line
@@ -61,10 +61,20 @@ struct eisa_driver { 


#define to_eisa_driver(drv) container_of(drv,struct eisa_driver, driver)



/* These external functions are only available when EISA support is enabled. */

#ifdef CONFIG_EISA



extern struct bus_type eisa_bus_type;

int eisa_driver_register (struct eisa_driver *edrv);

void eisa_driver_unregister (struct eisa_driver *edrv);



#else /* !CONFIG_EISA */



static inline int eisa_driver_register (struct eisa_driver *edrv) { return 0; }

static inline void eisa_driver_unregister (struct eisa_driver *edrv) { }



#endif /* !CONFIG_EISA */



/* Mimics pci.h... */

static inline void *eisa_get_drvdata (struct eisa_device *edev)

{