From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel@zonque.org (Daniel Mack) Date: Sat, 27 Sep 2014 20:08:51 +0200 Subject: pxa-dt and multiple platforms support In-Reply-To: <877g0pc5g6.fsf@free.fr> References: <877g0pc5g6.fsf@free.fr> Message-ID: <5426FD33.8080404@zonque.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Robert, On 09/27/2014 07:56 PM, Robert Jarzmik wrote: > When you added support for device-tree for pxa3xx, in commit "ARM: pxa3xx: add > generic DT machine code" (e7749a2) you wrote : "This file can be extended to > also support pxa2xx". > > I was wondering is that is really possible with the current pxa status, because > : > - you have to include mach/pxa3xx.h > => this includes mach/pxa3xx-regs.h > => this is specific to pxa3xx architecture > > If I add pxa27x support into the same file, I'll have to include mach/pxa27x.h > (because the initialization functions are there, same reason as yours for > mach/pxa3xx-regs.h). > => this includes mach/pxa2xx-regs.h > => this is specific to pxa2xx architecture > > Of course there will be a lot of defines conflicts, as both platforms share the > same register names ... > > So did you have something specific in mind, or should I rename pxa-dt.c into > pxa3xx-dt.c, and create pxa27-dt.c (this last option is my current choice unless > a better ideas emerges) ? I think the latter is fine for now. I certainly didn't work on pxa27x DT bits yet. Thanks, Daniel