linux-mips
[Top] [All Lists]

Re: new platform

To: Emmanuel Michon <em@realmagic.fr>
Subject: Re: new platform
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 11 May 2004 12:52:54 +0200
Cc: linux-mips@linux-mips.org
In-reply-to: <1084267342.2222.1348.camel@avalon.france.sdesigns.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1084199090.12536.1314.camel@avalon.france.sdesigns.com> <20040510214927.GB22442@linux-mips.org> <1084267342.2222.1348.camel@avalon.france.sdesigns.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.4.1i
On Tue, May 11, 2004 at 11:22:22AM +0200, Emmanuel Michon wrote:

> > Whatever - the driver API to use is ioremap.
> 
> You mean that after basic probing you always access PCI devices thru the
> TLB?

No.  ioremap knows how to optimize this for physical addresses that are
mapped via KSEG1.  So this just doesn't matter to driver writers.

  Ralf

<Prev in Thread] Current Thread [Next in Thread>