linux-kernel - RE: [PATCH v12 4/6] QE/CPM: move muram management functions to qe

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Message-ID: <SN1PR0301MB1550F9AB9D4FCC0F3D74E8CC9B220@SN1PR0301MB1550.namprd03.prod.outlook.com>
Date:	Tue, 27 Oct 2015 07:34:49 +0000
From:	Zhao Qiang <qiang.zhao@...escale.com>
To:	Scott Wood <scottwood@...escale.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"lauraa@...eaurora.org" <lauraa@...eaurora.org>,
	Xiaobo Xie <X.Xie@...escale.com>,
	"benh@...nel.crashing.org" <benh@...nel.crashing.org>,
	Li Leo <LeoLi@...escale.com>,
	"paulus@...ba.org" <paulus@...ba.org>
Subject: RE: [PATCH v12 4/6] QE/CPM: move muram management functions to
 qe_common

On Tue, Oct 27, 2015 at 2:50 PM, Wood Scott-B07421 wrote:
> -----Original Message-----
> From: Wood Scott-B07421
> Sent: Tuesday, October 27, 2015 2:50 PM
> To: Zhao Qiang-B45475 <qiang.zhao@...escale.com>
> Cc: linux-kernel@...r.kernel.org; linuxppc-dev@...ts.ozlabs.org;
> lauraa@...eaurora.org; Xie Xiaobo-R63061 <X.Xie@...escale.com>;
> benh@...nel.crashing.org; Li Yang-Leo-R58472 <LeoLi@...escale.com>;
> paulus@...ba.org
> Subject: Re: [PATCH v12 4/6] QE/CPM: move muram management functions to
> qe_common
> 
> On Tue, 2015-10-27 at 01:24 -0500, Zhao Qiang-B45475 wrote:
> > On Tue, Oct 27, 2015 at 12:48 PM, Wood Scott-B07421 wrote:
> > > -----Original Message-----
> > > From: Wood Scott-B07421
> > > Sent: Tuesday, October 27, 2015 12:48 PM
> > > To: Zhao Qiang-B45475 <qiang.zhao@...escale.com>
> > > Cc: linux-kernel@...r.kernel.org; linuxppc-dev@...ts.ozlabs.org;
> > > lauraa@...eaurora.org; Xie Xiaobo-R63061 <X.Xie@...escale.com>;
> > > benh@...nel.crashing.org; Li Yang-Leo-R58472 <LeoLi@...escale.com>;
> > > paulus@...ba.org
> > > Subject: Re: [PATCH v12 4/6] QE/CPM: move muram management
> functions
> > > to qe_common
> > >
> > > On Sun, 2015-10-25 at 21:42 -0500, Zhao Qiang-B45475 wrote:
> > > > On Sat, Oct 24, 2015 at 04:56 AM, Wood Scott-B07421 wrote:
> > > > > -----Original Message-----
> > > > > From: Wood Scott-B07421
> > > > > Sent: Saturday, October 24, 2015 4:56 AM
> > > > > To: Zhao Qiang-B45475 <qiang.zhao@...escale.com>
> > > > > Cc: linux-kernel@...r.kernel.org; linuxppc-dev@...ts.ozlabs.org;
> > > > > lauraa@...eaurora.org; Xie Xiaobo-R63061 <X.Xie@...escale.com>;
> > > > > benh@...nel.crashing.org; Li Yang-Leo-R58472
> > > > > <LeoLi@...escale.com>; paulus@...ba.org
> > > > > Subject: Re: [PATCH v12 4/6] QE/CPM: move muram management
> > > functions
> > > > > to qe_common
> > > > >
> > > > > On Fri, 2015-10-23 at 02:45 -0500, Zhao Qiang-B45475 wrote:
> > > > > > On Fri, 2015-10-23 at 11:10 AM, Wood Scott-B07421
> > > > > > <scottwood@...escale.com>
> > > > > > wrote:
> > > > > > > -----Original Message-----
> > > > > > > From: Wood Scott-B07421
> > > > > > > Sent: Friday, October 23, 2015 11:10 AM
> > > > > > > To: Zhao Qiang-B45475 <qiang.zhao@...escale.com>
> > > > > > > Cc: linux-kernel@...r.kernel.org;
> > > > > > > linuxppc-dev@...ts.ozlabs.org; lauraa@...eaurora.org; Xie
> > > > > > > Xiaobo-R63061 <X.Xie@...escale.com>;
> > > > > > > benh@...nel.crashing.org; Li Yang-Leo-R58472
> > > > > > > <LeoLi@...escale.com>; paulus@...ba.org
> > > > > > > Subject: Re: [PATCH v12 4/6] QE/CPM: move muram management
> > > > > functions
> > > > > > > to qe_common
> > > > > > >
> > > > > So then why are you selecting QUICC_ENGINE?  And again, what
> > > > > does it have to do with this patch?
> > > >
> > > > Cpm-spi is dependent on qe_muram, if not select it, Cpm-spi will
> > > > failed to build.
> > >
> > > Why QUICC_ENGINE and not CPM?
> >
> > QE and CPM use the same muram, and it has been moved to qe_muram
> from
> > cpm_muram.
> 
> Fix the makefiles so that the muram code continues to be built for both
> QUICC_ENGINE and CPM.  It's not acceptable to have to bring in the entire QE
> code just for the muram.
> 
How about to define and CONFIG_QE_MURAM in Kconfig for muram?

-Zhao