linux-kernel - RE: [v15, 3/7] powerpc/fsl: move mpc85xx.h to include/linux/fsl

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Message-ID: <DB6PR0401MB25366BC8FF59C68E2823245EF8A60@DB6PR0401MB2536.eurprd04.prod.outlook.com>
Date:   Tue, 8 Nov 2016 06:49:51 +0000
From:   "Y.B. Lu" <yangbo.lu@....com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "ulf.hansson@...aro.org" <ulf.hansson@...aro.org>,
        Scott Wood <oss@...error.net>,
        Mark Rutland <mark.rutland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "X.B. Xie" <xiaobo.xie@....com>,
        "M.H. Lian" <minghuan.lian@....com>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        Qiang Zhao <qiang.zhao@....com>,
        Russell King <linux@....linux.org.uk>,
        Bhupesh Sharma <bhupesh.sharma@...escale.com>,
        Joerg Roedel <joro@...tes.org>,
        Claudiu Manoil <claudiu.manoil@...escale.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Santosh Shilimkar" <ssantosh@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Leo Li <leoyang.li@....com>,
        "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
        "Kumar Gala" <galak@...eaurora.org>
Subject: RE: [v15, 3/7] powerpc/fsl: move mpc85xx.h to include/linux/fsl

Hi Arnd,


> -----Original Message-----
> From: Arnd Bergmann [mailto:arnd@...db.de]
> Sent: Tuesday, November 08, 2016 5:20 AM
> To: Y.B. Lu
> Cc: linuxppc-dev@...ts.ozlabs.org; linux-mmc@...r.kernel.org;
> ulf.hansson@...aro.org; Scott Wood; Mark Rutland; Greg Kroah-Hartman; X.B.
> Xie; M.H. Lian; linux-i2c@...r.kernel.org; linux-clk@...r.kernel.org;
> Qiang Zhao; Russell King; Bhupesh Sharma; Joerg Roedel; Claudiu Manoil;
> devicetree@...r.kernel.org; Rob Herring; Santosh Shilimkar; linux-arm-
> kernel@...ts.infradead.org; netdev@...r.kernel.org; linux-
> kernel@...r.kernel.org; Leo Li; iommu@...ts.linux-foundation.org; Kumar
> Gala
> Subject: Re: [v15, 3/7] powerpc/fsl: move mpc85xx.h to include/linux/fsl
> 
> On Monday, October 31, 2016 9:35:33 AM CET Y.B. Lu wrote:
> > >
> > > I don't see any of the contents of this header referenced by the soc
> > > driver any more. I think you can just drop this patch.
> > >
> >
> > [Lu Yangbo-B47093] This header file was included by guts.c.
> > The guts driver used macro SVR_MAJ/SVR_MIN for calculation.
> >
> > This header file was for powerpc arch before. And this patch is to
> > made it as common header file for both ARM and PPC.
> > Sooner or later this is needed.
> 
> Let's discuss it once we actually need the header then, ok?

[Lu Yangbo-B47093] As I said, this header file was included by guts.c in patch 4.
The guts driver used macro SVR_MAJ/SVR_MIN for calculation which were defined in this header file.
Did you suggest we dropped this patch and just calculated them in driver?

Thanks :)


> 
> 	Arnd