linux-kernel - RE: [RESEND PATCH 2/6] staging: fsl-dpaa2/ethsw: Add Freescale DPAA2 Ethernet Switch driver

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Message-ID: <AM3PR04MB0743CC52EC71DC2BC7D0C2BEE67D0@AM3PR04MB0743.eurprd04.prod.outlook.com>
Date:   Mon, 2 Oct 2017 07:18:52 +0000
From:   Razvan Stefanescu <razvan.stefanescu@....com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        Bogdan Purcareata <bogdan.purcareata@....com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
CC:     "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "agraf@...e.de" <agraf@...e.de>, "arnd@...db.de" <arnd@...db.de>,
        Alexandru Marginean <alexandru.marginean@....com>,
        Ruxandra Ioana Radulescu <ruxandra.radulescu@....com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        "stuyoder@...il.com" <stuyoder@...il.com>
Subject: RE: [RESEND PATCH 2/6] staging: fsl-dpaa2/ethsw: Add Freescale DPAA2
 Ethernet Switch driver

> -----Original Message-----
> From: Florian Fainelli [mailto:f.fainelli@...il.com]
> Sent: Friday, September 29, 2017 19:11
> To: Razvan Stefanescu <razvan.stefanescu@....com>; Bogdan Purcareata
> <bogdan.purcareata@....com>; gregkh@...uxfoundation.org
> Cc: devel@...verdev.osuosl.org; linux-kernel@...r.kernel.org;
> netdev@...r.kernel.org; agraf@...e.de; arnd@...db.de; Alexandru Marginean
> <alexandru.marginean@....com>; Ruxandra Ioana Radulescu
> <ruxandra.radulescu@....com>; Laurentiu Tudor <laurentiu.tudor@....com>;
> stuyoder@...il.com
> Subject: RE: [RESEND PATCH 2/6] staging: fsl-dpaa2/ethsw: Add Freescale DPAA2
> Ethernet Switch driver
> 
> On September 29, 2017 6:59:18 AM PDT, Razvan Stefanescu
> <razvan.stefanescu@....com> wrote:
> >
> >
> >> -----Original Message-----
> >> From: Bogdan Purcareata
> >> Sent: Friday, September 29, 2017 16:36
> >> To: Razvan Stefanescu <razvan.stefanescu@....com>;
> >> gregkh@...uxfoundation.org
> >> Cc: devel@...verdev.osuosl.org; linux-kernel@...r.kernel.org;
> >> netdev@...r.kernel.org; agraf@...e.de; arnd@...db.de; Alexandru
> >Marginean
> >> <alexandru.marginean@....com>; Ruxandra Ioana Radulescu
> >> <ruxandra.radulescu@....com>; Laurentiu Tudor
> ><laurentiu.tudor@....com>;
> >> stuyoder@...il.com
> >> Subject: RE: [RESEND PATCH 2/6] staging: fsl-dpaa2/ethsw: Add
> >Freescale DPAA2
> >> Ethernet Switch driver
> >>
> >> > Introduce the DPAA2 Ethernet Switch driver, which manages Datapath
> >Switch
> >> > (DPSW) objects discovered on the MC bus.
> >> >
> >> > Suggested-by: Alexandru Marginean <alexandru.marginean@....com>
> >> > Signed-off-by: Razvan Stefanescu <razvan.stefanescu@....com>
> 
> This looks pretty good for a new switchdev driver, is there a reason you can't
> target drivers/net/ethernet instead of staging? Is it because the MC bus code is
> still in staging (AFAICT)?
> 
Yes, driver depends on MC bus, which is still in staging.  Also, control traffic
code will require access to DPIO functions, that are also in staging.

Best regards,
Razvan S.
> --
> Florian