[prev in list] [next in list] [prev in thread] [next in thread] 

List:       linux-arm-kernel
Subject:    RE: 2.6.6: consistent_alloc
From:       <raghavendra.hanumanthaiah () wipro ! com>
Date:       2004-05-21 12:39:39
Message-ID: 0F0DBEBBBDFC0D41A3E5CDDF7EAE6E18DEFF3A () blr-itp-msg ! wipro ! com
[Download RAW message or body]

Hi Russel,

I have a doubt with this consistent_alloc().
As you said in this thread.
http://lists.arm.linux.org.uk/pipermail/linux-arm-kernel/2004-March/020623.html

"Actually, I will remove consistent_alloc() entirely because it shouldn't
be used anymore.  Instead, we have dma_alloc_coherent(), and for those
wanting write-combining properties, there will be dma_alloc_writecombine()."

With this regard: my dev pointer don't have dma_mask variable, since I am using \
net_device structure for my Fast Irda driver, how do I allocate consistent memory?

I tried using consistent_alloc(), but when I copy data into that memory in \
hard_xmit(), its giving Oops:0 error. What could be the problem?

I am using 2.6 with the rmk2 patch.

Thanks for your help
Regards
Raghavendra K.H

> -----Original Message-----
> From: linux-arm-kernel-bounces@lists.arm.linux.org.uk 
> [mailto:linux-arm-kernel-bounces@lists.arm.linux.org.uk] On 
> Behalf Of Russell King - ARM Linux
> Sent: Friday, May 21, 2004 12:37 AM
> To: Russ Dill
> Cc: Tony Lindgren; linux-arm-kernel@lists.arm.linux.org.uk
> Subject: Re: 2.6.6: consistent_alloc
> 
> 
> On Fri, May 21, 2004 at 12:27:10AM -0700, Russ Dill wrote:
> > Am I correct to assume that the below patch does this for pci video 
> > cards?
> 
> This patch seems to change the behaviour for SH...
> 
> -------------------------------------------------------------------
> Subscription options: 
> http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm-kerne
l
FAQ:       http://www.arm.linux.org.uk/armlinux/mlfaq.php
Etiquette: http://www.arm.linux.org.uk/armlinux/mletiquette.php

-------------------------------------------------------------------
Subscription options: http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm-kernel
FAQ:       http://www.arm.linux.org.uk/armlinux/mlfaq.php
Etiquette: http://www.arm.linux.org.uk/armlinux/mletiquette.php


[prev in list] [next in list] [prev in thread] [next in thread]