[parisc-linux] Untested port of parisc_device to generic device interface

[Marc Zyngier]

>>>>> "Ivan" == Ivan Kokshaysky <ink@jurassic.park.msu.ru> writes:

Ivan> It seems that two things are fundamentally missing in generic
Ivan> device model:
Ivan> 1. clean way to detect the type of container structure from arbitrary
Ivan>    struct device *;

Indeed.

I'm using the following stuff in some EISA drivers :

#ifdef CONFIG_EISA
#define DEVICE_EISA(dev) (((dev)->bus == &eisa_bus_type) ? to_eisa_device((dev)) : NULL)
#else
#define DEVICE_EISA(dev) NULL
#endif

and frankly, it's really awful. On drivers which are both EISA and
PCI (3c59x, aic7xxx), this is a major pain.

        M.
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