Re: [PATCH 1/1] mx53 loco: enable smsc phy driver

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

On 14:40 Thu 15 Nov     , Sascha Hauer wrote:
> On Thu, Nov 15, 2012 at 12:56:02PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
> > ---
> >  arch/arm/configs/freescale_mx53_loco_defconfig |    1 +
> >  1 file changed, 1 insertion(+)
> 
> We're getting closer \o/
> 
> With this the LOCO correctly waits for a link, unfortunately during
> board init time. This is due to:
> 
> commit 3a17af33c01fd066ab3939c8218037c87ba26eed
> Author: Sascha Hauer <s.hauer@pengutronix.de>
> Date:   Fri Oct 26 16:16:54 2012 +0200
> 
>     net fec: connect phy at probe time
>     
>     Several i.MX boards (all i.MX6 boards) need to do some adjustments
>     to phy registers. If barebox itself does not use network, networking
>     won't work in the kernel if the kernel does not have the fixups. Connect
>     the phy at probe time so that these tweaks are done during probe so that
>     the kernel works without phy register tweaks. Also this has the effect
>     that the phy device is present and introspectable without doing fake
>     network transfers beforehand.
> 
> We could revert it which fixes things for the LOCO, but then we also
> lose the phy fixups which this commit intentionally pushed to probe
> time.
> 
> It would be nice to separate phy registration from actually waiting for
> a link. I find it rather inconvenient anyway that the phy device pops
> up during the first network transfer.

so we need to introduce a phy_start

that start the check of the link

but I think the kernel need to its own fixup and do not relay on the booloader
to do it for him

Best Regards,
J.

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