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| author | Maciej W. Rozycki <macro@linux-mips.org> | 2007-02-05 16:28:26 -0800 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-02-09 16:23:18 +0000 |
| commit | f85da084151c9454891124c999006857a354622a (patch) | |
| tree | 01cac9f3aa1242952649fd1d1849a8a5acd14c0e /include/linux/eisa.h | |
| parent | 9084b0058e11378abb43d01e669bac8ac7b593ff (diff) | |
| download | lwn-f85da084151c9454891124c999006857a354622a.tar.gz lwn-f85da084151c9454891124c999006857a354622a.zip | |
[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>
Diffstat (limited to 'include/linux/eisa.h')
| -rw-r--r-- | include/linux/eisa.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/eisa.h b/include/linux/eisa.h index 1ff7c1392525..fe806b6f030d 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) { |