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From:   "Gupta, Nipun" <Nipun.Gupta@amd.com>
To:     Greg KH <gregkh@linuxfoundation.org>
CC:     "robh+dt@kernel.org" <robh+dt@kernel.org>,
        "krzysztof.kozlowski+dt@linaro.org" 
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        "robin.murphy@arm.com" <robin.murphy@arm.com>,
        "will@kernel.org" <will@kernel.org>,
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        "masahiroy@kernel.org" <masahiroy@kernel.org>,
        "ndesaulniers@google.com" <ndesaulniers@google.com>,
        "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>,
        "linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        "okaya@kernel.org" <okaya@kernel.org>,
        "Anand, Harpreet" <harpreet.anand@amd.com>,
        "Agarwal, Nikhil" <nikhil.agarwal@amd.com>,
        "Simek, Michal" <michal.simek@amd.com>,
        "git (AMD-Xilinx)" <git@amd.com>
Subject: RE: [PATCH 05/19] bus/cdx: add cdx controller
Thread-Topic: [PATCH 05/19] bus/cdx: add cdx controller
Thread-Index: AQHZKnmRfGvPVzFHXUOcaBUUcw80Ha6ipecAgAFpN5A=
Date:   Wed, 18 Jan 2023 12:36:12 +0000
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References: <20230117134139.1298-1-nipun.gupta@amd.com>
 <20230117134139.1298-6-nipun.gupta@amd.com> <Y8asSo2daSm5AWfR@kroah.com>
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[AMD Official Use Only - General]


> -----Original Message-----
> From: Greg KH <gregkh@linuxfoundation.org>
> Sent: Tuesday, January 17, 2023 7:40 PM
> To: Gupta, Nipun <Nipun.Gupta@amd.com>
> Cc: robh+dt@kernel.org; krzysztof.kozlowski+dt@linaro.org; rafael@kernel.=
org;
> eric.auger@redhat.com; alex.williamson@redhat.com; cohuck@redhat.com;
> song.bao.hua@hisilicon.com; mchehab+huawei@kernel.org; maz@kernel.org;
> f.fainelli@gmail.com; jeffrey.l.hugo@gmail.com; saravanak@google.com;
> Michael.Srba@seznam.cz; mani@kernel.org; yishaih@nvidia.com;
> jgg@ziepe.ca; jgg@nvidia.com; robin.murphy@arm.com; will@kernel.org;
> joro@8bytes.org; masahiroy@kernel.org; ndesaulniers@google.com; linux-arm=
-
> kernel@lists.infradead.org; linux-kbuild@vger.kernel.org; linux-
> kernel@vger.kernel.org; devicetree@vger.kernel.org; okaya@kernel.org;
> Anand, Harpreet <harpreet.anand@amd.com>; Agarwal, Nikhil
> <nikhil.agarwal@amd.com>; Simek, Michal <michal.simek@amd.com>; git
> (AMD-Xilinx) <git@amd.com>
> Subject: Re: [PATCH 05/19] bus/cdx: add cdx controller
>=20
> Caution: This message originated from an External Source. Use proper caut=
ion
> when opening attachments, clicking links, or responding.
>=20
>=20
> On Tue, Jan 17, 2023 at 07:11:37PM +0530, Nipun Gupta wrote:
> > --- /dev/null
> > +++ b/drivers/bus/cdx/controller/cdx_controller.c
> > @@ -0,0 +1,243 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Platform driver for CDX bus controller.
>=20
> Why is this a platform driver?  Shouldn't it also be on some type of bus
> so that you can find it?

This is host controller for CDX bus similar to PCI controller which is also=
 on
the platform bus.
Since CDX bus controller is based on communication with RPU firmware we
need to have references to remoteproc device in CDX controller node to use
the RPMsg device.

>=20
> > +MODULE_VERSION("1.0");
>=20
> There's never need for any module versions once the code is in the
> kernel tree as then they make no sense at all.  Please drop them from
> this series.

Sure. Will remove.

>=20
> thanks,
>=20
> greg k-h