From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: Non-coherent memory mapped devices
Date: Wed, 19 Mar 2003 12:48:02 +0100
Sender: alsa-devel-admin@lists.sourceforge.net
Message-ID: <s5h4r5ztw5p.wl@alsa2.suse.de>
References: <20030318204808.66a39ed7.lc@tekila.org>
Mime-Version: 1.0 (generated by SEMI 1.14.4 - "Hosorogi")
Content-Type: text/plain; charset=US-ASCII
Return-path: <alsa-devel-admin@lists.sourceforge.net>
In-Reply-To: <20030318204808.66a39ed7.lc@tekila.org>
Errors-To: alsa-devel-admin@lists.sourceforge.net
List-Help: <mailto:alsa-devel-request@lists.sourceforge.net?subject=help>
List-Post: <mailto:alsa-devel@lists.sourceforge.net>
List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/alsa-devel>,
	<mailto:alsa-devel-request@lists.sourceforge.net?subject=subscribe>
List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/alsa-devel>,
	<mailto:alsa-devel-request@lists.sourceforge.net?subject=unsubscribe>
List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum=alsa-devel>
To: Laurent Canet <lc@tekila.org>
Cc: alsa-devel@lists.sourceforge.net
List-Id: alsa-devel@alsa-project.org

Hi,

At Tue, 18 Mar 2003 20:48:08 +0100,
Laurent Canet wrote:
> 
> Hi,
> 
> On the HPPA architecture, devices (including sound ones) are memory-mapped. 
> On particular machines, memory access to devices are not consistent,
> i.e. data wrote to memory could be cached by the CPU, thus inacessible
> to the device. 

doesn't ioremap_nocache() suffice for such a case?


Takashi


-------------------------------------------------------
This SF.net email is sponsored by: Does your code think in ink? 
You could win a Tablet PC. Get a free Tablet PC hat just for playing. 
What are you waiting for?
http://ads.sourceforge.net/cgi-bin/redirect.pl?micr5043en