public inbox for u-boot@lists.denx.de
 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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox