All of lore.kernel.org
 help / color / mirror / Atom feed
From: Heiko Schocher <hs@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] net, phy: wrong 1000BASE detection with a lan9303 switch
Date: Wed, 10 Jul 2013 13:33:18 +0200	[thread overview]
Message-ID: <51DD467E.70104@denx.de> (raw)
In-Reply-To: <20130710111523.E5918381618@gemini.denx.de>

Hello Wolfgang,

Am 10.07.2013 13:15, schrieb Wolfgang Denk:
> Dear Heiko,
>
> In message<51DD3D92.8050701@denx.de>  you wrote:
>>
>> Would this be an acceptable patch for it:
> ...
>> @@ -300,6 +300,10 @@ int genphy_parse_link(struct phy_device *phydev)
>>                            * both PHYs in the link
>>                            */
>>                           gblpa = phy_read(phydev, MDIO_DEVAD_NONE, MII_STAT1000);
>> +                       if (gblpa<  0) {
>> +                               printf ("Could not read MII_STAT1000. Ignoring gigabit capability\n");
>> +                               gblpa = 0;
>> +                       }
>>                           gblpa&= phy_read(phydev,
>>                                           MDIO_DEVAD_NONE, MII_CTRL1000)<<  2;
>
> Well, this other phy_read() probably needs exactly the same error
> handling - and I doubt if we should actually try riding the reg when
> the first one failed already?

Yes, you are right. The first question is, if such a patch is the
right way for fixing it, or if there is a better way ...

bye,
Heiko
-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

      reply	other threads:[~2013-07-10 11:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-10 10:09 [U-Boot] net, phy: wrong 1000BASE detection with a lan9303 switch Heiko Schocher
2013-07-10 10:55 ` Heiko Schocher
2013-07-10 11:15   ` Wolfgang Denk
2013-07-10 11:33     ` Heiko Schocher [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=51DD467E.70104@denx.de \
    --to=hs@denx.de \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.