[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 <macro@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -61,10 +61,20 @@ struct eisa_driver {
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#define to_eisa_driver(drv) container_of(drv,struct eisa_driver, driver)
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/* These external functions are only available when EISA support is enabled. */
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#ifdef CONFIG_EISA
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extern struct bus_type eisa_bus_type;
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int eisa_driver_register (struct eisa_driver *edrv);
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void eisa_driver_unregister (struct eisa_driver *edrv);
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#else /* !CONFIG_EISA */
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static inline int eisa_driver_register (struct eisa_driver *edrv) { return 0; }
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static inline void eisa_driver_unregister (struct eisa_driver *edrv) { }
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#endif /* !CONFIG_EISA */
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/* Mimics pci.h... */
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static inline void *eisa_get_drvdata (struct eisa_device *edev)
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{
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