linux-kernel - RE: [PATCH v3 2/3] dt-bindings: fpga: Add binding doc for versal fpga manager

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Message-ID: <MWHPR02MB26239FBFB985D5AE1A052C24C24D9@MWHPR02MB2623.namprd02.prod.outlook.com>
Date:   Thu, 15 Apr 2021 06:07:43 +0000
From:   Nava kishore Manne <navam@...inx.com>
To:     Rob Herring <robh@...nel.org>
CC:     "mdf@...nel.org" <mdf@...nel.org>,
        "trix@...hat.com" <trix@...hat.com>,
        Michal Simek <michals@...inx.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Jolly Shah <JOLLYS@...inx.com>, Rajan Vaja <RAJANV@...inx.com>,
        "arnd@...db.de" <arnd@...db.de>,
        Manish Narani <MNARANI@...inx.com>,
        Amit Sunil Dhamne <amitsuni@...inx.com>,
        Tejas Patel <tejasp@...x.xilinx.com>,
        "linux-fpga@...r.kernel.org" <linux-fpga@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "chinnikishore369@...il.com" <chinnikishore369@...il.com>,
        Appana Durga Kedareswara Rao <appanad@...inx.com>
Subject: RE: [PATCH v3 2/3] dt-bindings: fpga: Add binding doc for versal fpga
 manager

Hi Rob,

	Please find my response inline.

> -----Original Message-----
> From: Rob Herring <robh@...nel.org>
> Sent: Wednesday, March 10, 2021 10:50 PM
> To: Nava kishore Manne <navam@...inx.com>
> Cc: mdf@...nel.org; trix@...hat.com; Michal Simek <michals@...inx.com>;
> gregkh@...uxfoundation.org; Jolly Shah <JOLLYS@...inx.com>; Rajan Vaja
> <RAJANV@...inx.com>; arnd@...db.de; Manish Narani
> <MNARANI@...inx.com>; Amit Sunil Dhamne <amitsuni@...inx.com>; Tejas
> Patel <tejasp@...x.xilinx.com>; linux-fpga@...r.kernel.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org; linux-arm-
> kernel@...ts.infradead.org; chinnikishore369@...il.com; Appana Durga
> Kedareswara Rao <appanad@...inx.com>
> Subject: Re: [PATCH v3 2/3] dt-bindings: fpga: Add binding doc for versal fpga
> manager
> 
> On Wed, Mar 10, 2021 at 10:12 AM Rob Herring <robh@...nel.org> wrote:
> >
> > On Wed, Mar 10, 2021 at 3:50 AM Nava kishore Manne
> <navam@...inx.com> wrote:
> > >
> > > Hi Rob,
> > >
> > >         Thanks for providing the review comments.
> > > Please find my response inline.
> > >
> > > > -----Original Message-----
> > > > From: Rob Herring <robh@...nel.org>
> > > > Sent: Tuesday, March 9, 2021 1:50 AM
> > > > To: Nava kishore Manne <navam@...inx.com>
> > > > Cc: mdf@...nel.org; trix@...hat.com; Michal Simek
> > > > <michals@...inx.com>; gregkh@...uxfoundation.org; Jolly Shah
> > > > <JOLLYS@...inx.com>; Rajan Vaja <RAJANV@...inx.com>;
> > > > arnd@...db.de; Manish Narani <MNARANI@...inx.com>; Amit Sunil
> > > > Dhamne <amitsuni@...inx.com>; Tejas Patel
> > > > <tejasp@...x.xilinx.com>; linux-fpga@...r.kernel.org;
> > > > devicetree@...r.kernel.org; linux-kernel@...r.kernel.org;
> > > > linux-arm- kernel@...ts.infradead.org; chinnikishore369@...il.com;
> > > > Appana Durga Kedareswara Rao <appanad@...inx.com>
> > > > Subject: Re: [PATCH v3 2/3] dt-bindings: fpga: Add binding doc for
> > > > versal fpga manager
> > > >
> > > > On Thu, Mar 04, 2021 at 12:32:23PM +0530, Nava kishore Manne
> wrote:
> > > > > From: Appana Durga Kedareswara rao
> <appana.durga.rao@...inx.com>
> > > > >
> > > > > This patch adds binding doc for versal fpga manager driver.
> > > >
> > > > Why do you need a DT entry for this? Can't the Versal firmware
> > > > driver instantiate the fpga-mgr device?
> > > >
> > > This dt entry is need to handle the fpga regions properly for both full and
> Partial bitstream loading use cases and it cannot be done by Versal firmware
> driver instantiate.
> >
> > Ah yes, I forgot about that.
> 
> Looking at this some more, please convert xlnx,zynqmp-firmware.txt to
> schema and add the node for this there. We don't need a whole other
> schema file just for a node and compatible. Also, looks like xlnx,zynqmp-
> pcap-fpga.txt is the prior version of the same thing, so it should be handled
> in the schema too.
> 

Will fix this in the next version

Regards,
Navakishore.