From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH] [V5] Xilinx : Framebuffer Driver: Add PLB support and cleanup DCR Date: Fri, 24 Apr 2009 13:01:58 +0200 Message-ID: <200904241301.59775.arnd@arndb.de> References: <20090417205119.3D35660055@mail16-sin.bigfish.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============8690615679748806815==" Return-path: Received: from sfi-mx-2.v28.ch3.sourceforge.com ([172.29.28.122] helo=mx.sourceforge.net) by 3yr0jf1.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1LxJCq-0008Vo-14 for linux-fbdev-devel@lists.sourceforge.net; Fri, 24 Apr 2009 11:04:32 +0000 Received: from moutng.kundenserver.de ([212.227.126.186]) by 72vjzd1.ch3.sourceforge.com with esmtp (Exim 4.69) id 1LxJCn-0005yR-Cj for linux-fbdev-devel@lists.sourceforge.net; Fri, 24 Apr 2009 11:04:31 +0000 In-Reply-To: <20090417205119.3D35660055@mail16-sin.bigfish.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: linuxppc-dev@ozlabs.org Cc: linux-fbdev-devel@lists.sourceforge.net, adaplas@gmail.com, Suneel , grant.likely@secretlab.ca, jwboyer@linux.vnet.ibm.com, akonovalov@ru.mvista.com, John Linn --===============8690615679748806815== Content-Type: multipart/alternative; boundary="Boundary-00=_nwZ8JJ0oEqOGvRk" Content-Transfer-Encoding: 7bit Content-Disposition: inline --Boundary-00=_nwZ8JJ0oEqOGvRk Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Friday 17 April 2009, John Linn wrote: > Added support for the new xps tft controller. The new core > has PLB interface support in addition to existing DCR interface. > > Removed platform device support as both MicroBlaze and PowerPC > use device tree. I just said in another email thread that we would need a CONFIG_DCR option that DCR using drivers should depend on, if it ever happened outside of powerpc. Well, apparently this happened earlier than I expected. Converting the driver to use the generic DCR interface makes it possible to use in any system that provides this interface, including those that use a hard CPU core with xilinx_fb on an FPGA, so it makes sense to just change the dependency in Kconfig and provide CONFIG_DCR in microblaze (unconditionally) as well as in powerpc instead of the existing CONFIG_PPC_DCR. Arnd <>< --Boundary-00=_nwZ8JJ0oEqOGvRk Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: 7bit

On Friday 17 April 2009, John Linn wrote:

> Added support for the new xps tft controller. The new core

> has PLB interface support in addition to existing DCR interface.

>

> Removed platform device support as both MicroBlaze and PowerPC

> use device tree.

I just said in another email thread that we would need a CONFIG_DCR

option that DCR using drivers should depend on, if it ever happened

outside of powerpc.

Well, apparently this happened earlier than I expected.

Converting the driver to use the generic DCR interface

makes it possible to use in any system that provides this

interface, including those that use a hard CPU core with xilinx_fb

on an FPGA, so it makes sense to just change the dependency

in Kconfig and provide CONFIG_DCR in microblaze (unconditionally)

as well as in powerpc instead of the existing CONFIG_PPC_DCR.

Arnd <><

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