From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from qproxy.gmail.com (qproxy.gmail.com [72.14.204.195]) by ozlabs.org (Postfix) with ESMTP id 3A90A6838F for ; Sat, 24 Sep 2005 02:54:41 +1000 (EST) Received: by qproxy.gmail.com with SMTP id q12so24580qba for ; Fri, 23 Sep 2005 09:54:40 -0700 (PDT) Message-ID: <528646bc05092309543d4e2c2f@mail.gmail.com> Date: Fri, 23 Sep 2005 10:54:40 -0600 From: Grant Likely To: bennett78@digis.net, linuxppc-embedded In-Reply-To: <528646bc0509230933251d6600@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <43335991.1040004@digis.net> <528646bc0509230933251d6600@mail.gmail.com> Subject: Re: SPI bus master driver for the Freescale MPC52xx Reply-To: Grant Likely List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Bah! Your reply-to: address is broken. Check your email client. let me try that again... On 9/23/05, Grant Likely wrote: > Hi. > > First off, I've included the linuxppc-embedded mailing list in my > reply. It's better to mail the list and CC: me rather than just > mailing me. There are many others far brighter than me on the list > who can provide far more help. > > On 9/22/05, Frank Bennett wrote: > > Gary: > My name is Grant > > > > > I saw your patch on http://patchwork.ozlabs.org/linuxppc > > I'm developing a SPI driver for the Lite5200. > Are you using a PSC or the SPI peripheral? The driver I've written is fo= r a PSC > > > > What distribution of Linux is this for? > Any distro you want. It should apply cleanly against any recent 2.6.x ke= rnel > > > What is this patch registry all about? > Are you refering to the bit about device drivers registering to the > SPI subsystem? If so, the first patch provides the generic SPI > infrastructure. Device drivers for SPI masters and SPI slaves > register to the SPI subsystem. That way SPI master device drivers are > decoupled from SPI slave device drivers. It follows the new device > model in the 2.6.x kernels. (See "Linux Device Drivers" book from > O'reilly for details. > > > Can I get a snapshot of the mpc52xx driver stuff? > I've made no changes since posting the patch. > > Eventually I'll have a public git tree with all my changes posted in > it; but not yet. > > > How can I contribute to this effort? > Write code, write documentation and post patches. Also, look in the > LKML archives. There are two other competing SPI implementations that > are being developed. I've been pulled off onto other work so I've not > done any additional work. The other code looks more promising. > > That being said, my code works for me so it may be usable for you as-is. > > cheers, > g. >