From: Maciej W. Rozycki Date: Tue, 6 Feb 2007 00:28:26 +0000 (-0800) Subject: [EISA] EISA registration with !CONFIG_EISA X-Git-Tag: v2.6.21-rc1~83^2~25^2 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=f85da084151c9454891124c999006857a354622a;p=linux-2.6-omap-h63xx.git [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: Maciej W. Rozycki Signed-off-by: Andrew Morton Signed-off-by: Ralf Baechle --- diff --git a/include/linux/eisa.h b/include/linux/eisa.h index 1ff7c139252..fe806b6f030 100644 --- a/include/linux/eisa.h +++ b/include/linux/eisa.h @@ -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) {