On Friday 16 October 2015 06:53:44 James Bottomley wrote:
> >
> > Signed-off-by: Arnd Bergmann <a...@arndb.de>
> >
> > diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
> > index d2f480b04a52..1d8b8257773d 100644
> > --- a/drivers/scsi/Kconfig
> > +++ b/drivers/scsi/Kconfig
> > @@ -498,7 +498,7 @@ config SCSI_DPT_I2O
> > config SCSI_ADVANSYS
> > tristate "AdvanSys SCSI support"
> > depends on SCSI
> > - depends on ISA || EISA || PCI
> > + depends on (ISA && ISA_DMA_API) || EISA || PCI
>
> I thought the desire was to avoid a compile failure when ISA && !
> ISA_DMA_API? Won't this one fail if ISA is defined with either EISA or
> PCI and !ISA_DMA_API?
I thought I had it ruled out, but now I've actually found a combination:
we can build an ARM kernel that supports two ancient machines, and one
of them supports ISA (but not ISA_DMA_API), while the other one supports
PCI. I had looked through several thousand randconfig builds and not
found this combination together with advansys, but I guess that is
because those were mostly old builds from the times when there was
a dependency on VIRT_TO_BUS that this platform doesn't have.
So screw this one and go back to the original patch.
Arnd
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