On Wed, Jun 15, 2011 at 11:46, Arnd Bergmann [off-list ref] wrote:

* In case of floppies, the "solution" was to write a driver for every pla=

tform that

=C2=A0doesn't have PIO, since they tend to have other differences. The am=

iflop and

=C2=A0ataflop drivers are not even use readb(), they just derefence volat=

ile pointers

=C2=A0to do MMIO. I doubt we can find volunteers to clean that up.

Amiflop drives the Amiga floppy controller, which is completely
different from the
PC-style floppy controller.
Ataflop drives the Atari floppy controller, which seems to be a WD1772 and =
not
related to PC-style floppy controllers neither.

So none of them drive PC-style hardware, and both predate the generic readb=
()
infrastructure.

Gr{oetje,eeting}s,

=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k=
.org

In personal conversations with technical people, I call myself a hacker. Bu=
t
when I'm talking to journalists I just say "programmer" or something like t=
hat.
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0 =C2=A0=C2=A0 -- Linus Torvalds