On Wednesday 21 September 2011 10:33:10 Wolfgang Grandegger wrote:
>
> > Since most ISA drivers don't actually use isa_register_driver
> > (for good or bad), how about changing the Kconfig entry for
> > the ones you need to 'depends on ISA || PLAT_GRANDEGGER_PC104_ATOM'
> > or similar?
>
> What should the PLAT_GRANDEGGER_PC104_ATOM be good for? If I replace
> isa_register_driver() with platform_driver_register(), like the serial
> 8250 driver does, HAS_IOMEM should be just fine. This would then also
> avoid the 64-bit trouble expected with old ISA drivers (enabled via
> ISA). Or have I missed something?
I was thinking of the drivers that are for ISA cards but don't actually
use the isa_register_driver() function. If you have to change the driver
to a platform driver, you are right.
The other point is that you are probably using inb/outb operations,
which I'm trying to provide only on ISA/PCMCIA/PCI based systems in
the future. Once I finish that work, you will also need to depend on
HAS_IOPORT (which currently means something else).
Arnd
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