From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3C69A361.2070103@embeddededge.com> Date: Tue, 12 Feb 2002 18:21:05 -0500 From: Dan Malek MIME-Version: 1.0 To: Dan Malek Cc: Eric.Oosterhof@radisys.com, linuxppc-dev@lists.linuxppc.org Subject: Re: I2C module problem on 8260 References: <3C69A0EC.2090400@embeddededge.com> Content-Type: text/plain; charset=us-ascii; format=flowed Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: Dan Malek wrote: > One of the programming techniques for modules is you must explicitly > allocate > all objects subject to DMA such that they are known to be physically > contiguous > if necessary. I should have also mentioned that using these functions also returns both physical and virtual addresses that you should keep within your driver so you can avoid calling any function/macro that converts between physical and virtual addresses. -- Dan ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/