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Re: ISA

To: Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: ISA
From: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Date: Thu, 20 Dec 2001 14:39:55 +0100 (MET)
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Jun Sun <jsun@mvista.com>, jim@jtan.com, Linux/MIPS Development <linux-mips@oss.sgi.com>
In-reply-to: <Pine.GSO.4.21.0112201411310.502-100000@vervain.sonytel.be>
Organization: Technical University of Gdansk
Sender: owner-linux-mips@oss.sgi.com
On Thu, 20 Dec 2001, Geert Uytterhoeven wrote:

> >  Well, as I stated in another mail (but in another thread, I think) you
> > may try request_mem_region(virt_to_phys(ioremap(...))), especially as you
> > really want to reserve an area in the CPU's physical address space and not
> > in the bus's one.
> 
> So we must update all existing drivers that use ISA memory space anyway.

 Not many of them calls request_mem_region()...  Not that it is good. 

> IMHO still better to add isa_request_mem_region() while we're at it, so we can
> solve this in an arch-specific way. Ia32 can still say
> 
>     #define isa_request_mem_region    request_mem_region

 And then "<bus>_request_mem_region" for every new bus supported??? 

-- 
+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+--------------------------------------------------------------+
+        e-mail: macro@ds2.pg.gda.pl, PGP key available        +


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