From: Ralf Baechle <ralf@oss.sgi.com>
To: Jun Sun <jsun@mvista.com>
Cc: Jim Paris <jim@jtan.com>, linux-mips@oss.sgi.com
Subject: Re: [ppopov@mvista.com: Re: [Linux-mips-kernel]ioremap & ISA]
Date: Tue, 18 Dec 2001 20:28:30 -0200 [thread overview]
Message-ID: <20011218202830.B18856@dea.linux-mips.net> (raw)
In-Reply-To: <3C1F9AD2.1269192E@mvista.com>; from jsun@mvista.com on Tue, Dec 18, 2001 at 11:36:50AM -0800
On Tue, Dec 18, 2001 at 11:36:50AM -0800, Jun Sun wrote:
> > > I see. So isa_slot_offset is for isa_read/isa_write, although I still don't
> > > see what kind of drivers would use isa_read/isa_write.
> >
> > Dumb answer - ISA drivers.
>
> (Hmm, do you mean "dumb question"? :-0)
Somewhere I heared there are only dumb answers, no dumb questions :-)
> I was thinking most ISA dirvers should simply use inb/outb to access ioports.
> Don't really any ISA devices have their own memory space. But, anyway, who
> can still remember those dark ages?
Isa_slot_offset is related to memory mapped I/O, in and out are not
memory mapped I/O.
Ralf
next prev parent reply other threads:[~2001-12-18 23:29 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-17 20:15 [ppopov@mvista.com: Re: [Linux-mips-kernel]ioremap & ISA] Jim Paris
2001-12-17 21:34 ` Ralf Baechle
2001-12-18 5:45 ` Jim Paris
2001-12-18 7:03 ` Jim Paris
2001-12-18 4:03 ` hanishkvc
2001-12-18 18:10 ` Jun Sun
2001-12-18 18:45 ` Jim Paris
2001-12-18 18:45 ` Jim Paris
2001-12-18 19:09 ` Jun Sun
2001-12-18 19:30 ` Ralf Baechle
2001-12-19 9:40 ` Geert Uytterhoeven
2001-12-18 18:25 ` Ralf Baechle
2001-12-18 18:57 ` Jim Paris
2001-12-18 19:21 ` Jun Sun
2001-12-18 20:58 ` Ralf Baechle
2001-12-18 21:28 ` Jim Paris
2001-12-18 21:53 ` Maciej W. Rozycki
2001-12-19 9:34 ` Geert Uytterhoeven
2001-12-22 12:47 ` Ralf Baechle
2001-12-18 19:16 ` Jun Sun
2001-12-18 19:31 ` Ralf Baechle
2001-12-18 19:36 ` Jun Sun
2001-12-18 20:02 ` Karsten Merker
2001-12-18 20:22 ` Maciej W. Rozycki
2001-12-18 22:28 ` Ralf Baechle [this message]
2001-12-19 9:34 ` Geert Uytterhoeven
2001-12-19 16:47 ` Ralf Baechle
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