linux-kernel - Re: [PATCH net v4 06/13] net/mac89x0: Convert to platform

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Date:   Mon, 12 Feb 2018 09:25:56 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Finn Thain <fthain@...egraphics.com.au>
Cc:     "David S. Miller" <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        "Linux/m68k" <linux-m68k@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>
Subject: Re: [PATCH net v4 06/13] net/mac89x0: Convert to platform_driver

On Mon, Feb 12, 2018 at 4:08 AM, Finn Thain <fthain@...egraphics.com.au> wrote:
> Apparently these Dayna cards don't have a pseudoslot declaration ROM
> which means they can't be probed like NuBus cards.
>
> Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
> Signed-off-by: Finn Thain <fthain@...egraphics.com.au>
> ---
>  arch/m68k/mac/config.c                |  4 ++
>  drivers/net/Space.c                   |  3 --
>  drivers/net/ethernet/cirrus/mac89x0.c | 69 ++++++++++++++++-------------------
>  include/net/Space.h                   |  1 -
>  4 files changed, 35 insertions(+), 42 deletions(-)

For the m68k part:
Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>

> --- a/drivers/net/ethernet/cirrus/mac89x0.c
> +++ b/drivers/net/ethernet/cirrus/mac89x0.c

> @@ -167,10 +172,9 @@ static const struct net_device_ops mac89x0_netdev_ops = {
>
>  /* Probe for the CS8900 card in slot E.  We won't bother looking
>     anywhere else until we have a really good reason to do so. */
> -struct net_device * __init mac89x0_probe(int unit)
> +static int mac89x0_device_probe(struct platform_device *pdev)
>  {
>         struct net_device *dev;
> -       static int once_is_enough;
>         struct net_local *lp;
>         static unsigned version_printed;
>         int i, slot;
> @@ -181,20 +185,13 @@ struct net_device * __init mac89x0_probe(int unit)
>         struct nubus_rsrc *fres;
>
>         if (!MACH_IS_MAC)
> -               return ERR_PTR(-ENODEV);
> +               return -ENODEV;

I think this check can be removed completely, as the platform device will
exist on suitable Macs only.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds