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Date:   Sun, 15 Dec 2019 23:56:24 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     David Miller <davem@...emloft.net>,
        Mao Wenan <maowenan@...wei.com>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandru Marginean <alexandru.marginean@....com>,
        Xiaoliang Yang <xiaoliang.yang_1@....com>,
        yangbo lu <yangbo.lu@....com>,
        Networking <netdev@...r.kernel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: Re: [PATCH] net: mscc: ocelot: hide MSCC_OCELOT_SWITCH and move
 outside NET_VENDOR_MICROSEMI

On Sat, 14 Dec 2019 at 22:49, Arnd Bergmann <arnd@...db.de> wrote:
>
> On Sat, Dec 14, 2019 at 4:16 PM Arnd Bergmann <arnd@...db.de> wrote:
> >
> > On Thu, Dec 12, 2019 at 6:11 PM Vladimir Oltean <olteanv@...il.com> wrote:
> > >
> > > From: Vladimir Oltean <vladimir.oltean@....com>
> > >
> > > NET_DSA_MSCC_FELIX and MSCC_OCELOT_SWITCH_OCELOT are 2 different drivers
> > > that use the same core operations, compiled under MSCC_OCELOT_SWITCH.
> >
> > > Fixes: 56051948773e ("net: dsa: ocelot: add driver for Felix switch family")
> > > Reported-by: Arnd Bergmann <arnd@...db.de>
> > > Reported-by: Mao Wenan <maowenan@...wei.com>
> > > Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
> >
> > I did some more build testing and ran into another issue now that
> > MSCC_OCELOT_SWITCH_OCELOT can be built without
> > CONFIG_SWITCHDEV:
>
> And another one when CONFIG_NET_VENDOR_MICROSEMI is disabled:
>
> ERROR: "ocelot_fdb_dump" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_regfields_init" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_regmap_init" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_init" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_fdb_del" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "__ocelot_write_ix" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_bridge_stp_state_set"
> [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_port_vlan_filtering"
> [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_get_ethtool_stats"
> [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_port_enable" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_vlan_del" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_deinit" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_init_port" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
> ERROR: "ocelot_fdb_add" [drivers/net/dsa/ocelot/mscc_felix.ko] undefined!
>
> This fixes it:
>
> diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile
> index f8f38dcb5f8a..83351228734a 100644
> --- a/drivers/net/ethernet/Makefile
> +++ b/drivers/net/ethernet/Makefile
> @@ -55,7 +55,7 @@ obj-$(CONFIG_NET_VENDOR_MEDIATEK) += mediatek/
>  obj-$(CONFIG_NET_VENDOR_MELLANOX) += mellanox/
>  obj-$(CONFIG_NET_VENDOR_MICREL) += micrel/
>  obj-$(CONFIG_NET_VENDOR_MICROCHIP) += microchip/
> -obj-$(CONFIG_NET_VENDOR_MICROSEMI) += mscc/
> +obj-y += mscc/

Thanks Arnd. This is getting out of hand. I'll just opt for the simple
solution and make it depend on NET_VENDOR_MICROSEMI.

>  obj-$(CONFIG_NET_VENDOR_MOXART) += moxa/
>  obj-$(CONFIG_NET_VENDOR_MYRI) += myricom/
>  obj-$(CONFIG_FEALNX) += fealnx.o
>
>         Arnd

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