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Re: ZONE_DMA on MIPS

To: sshtylyov@ru.mvista.com
Subject: Re: ZONE_DMA on MIPS
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Tue, 20 Mar 2007 00:47:36 +0900 (JST)
Cc: linux-mips@linux-mips.org
In-reply-to: <45FEAD11.7070503@ru.mvista.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20070320.000947.88474417.anemo@mba.ocn.ne.jp> <45FEAD11.7070503@ru.mvista.com>
Sender: linux-mips-bounce@linux-mips.org
On Mon, 19 Mar 2007 18:32:33 +0300, Sergei Shtylyov <sshtylyov@ru.mvista.com> 
wrote:
> > Are there any other platforms requires special DMA zone?
> 
>     Erm, RBHMA4[24]00 have 8259 on the backplane... And the NEC boards with 
> the Rockhopper backplane as well...

Having 8259 does not mean it uses ISA DMA.  IIRC FPCIB0 backplane does
not have real ISA slot, and no on-board device uses ISA DMA.  Does
Rockhopper backplace have ISA slot?

---
Atsushi Nemoto

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