Re: [PATCH] mdio_bus: Fix init if CONFIG_RESET_CONTROLLER=n

From: Geert Uytterhoeven
Date: Tue Nov 19 2019 - 13:56:08 EST


Hi Florian,

On Tue, Nov 19, 2019 at 7:05 PM Florian Fainelli <f.fainelli@xxxxxxxxx> wrote:
> On 11/19/19 3:25 AM, Geert Uytterhoeven wrote:
> > Commit 1d4639567d970de0 ("mdio_bus: Fix PTR_ERR applied after
> > initialization to constant") accidentally changed a check from -ENOTSUPP
> > to -ENOSYS, causing failures if reset controller support is not enabled.
> > E.g. on r7s72100/rskrza1:
> >
> > sh-eth e8203000.ethernet: MDIO init failed: -524
> > sh-eth: probe of e8203000.ethernet failed with error -524
> >
> > Fixes: 1d4639567d970de0 ("mdio_bus: Fix PTR_ERR applied after initialization to constant")
> > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
>
> This has been fixed in the "net" tree with:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=075e238d12c21c8bde700d21fb48be7a3aa80194

Ah, hadn't seen that one.

However, that one (a) keeps the unneeded check for -ENOSYS, and (b)
carries a wrong Fixes tag.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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