All of lore.kernel.org
 help / color / mirror / Atom feed
From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
To: Hamza Mahfooz <someguy@effective-light.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>, netdev@vger.kernel.org
Subject: Re: Fwd: Solidrun ClearFog Base and Huawei MA5671A SFP
Date: Sat, 26 Dec 2020 22:27:40 +0000	[thread overview]
Message-ID: <20201226222740.GE1551@shell.armlinux.org.uk> (raw)
In-Reply-To: <8394f1c8-0b27-c1aa-37d4-77d65bdccade@gmail.com>

Sorry, this will not work. The MA5671A modules are configured to use
dying gasp on pin 7, and pin 7 is grounded on the Armada 388 Clearfog
platforms, resulting in the module not booting.

I'm sorry, I can't recommend a module; I don't use SFP GPON modules
myself.

On Sat, Dec 26, 2020 at 11:15:18PM +0100, Heiner Kallweit wrote:
> Sounds like something where you may be able to help.
> 
> Heiner
> 
> -------- Forwarded Message --------
> Subject: Solidrun ClearFog Base and Huawei MA5671A SFP
> Date: Sat, 26 Dec 2020 16:41:40 -0500
> From: Hamza Mahfooz <someguy@effective-light.com>
> To: netdev@vger.kernel.org
> 
> Hey, has anyone got the ClearFog (ARMADA 388 SoC) to work with the 
> MA5671A? I've to been trying to get the ClearFog to read the MA5671A's 
> EEPROM however it always throws the following error:
> 
> > # dmesg | grep sfp
> > [ 4.550651] sfp sfp: Host maximum power 2.0W
> > [ 5.875047] sfp sfp: please wait, module slow to respond
> > [ 61.295045] sfp sfp: failed to read EEPROM: -6
> 
> I've tried to increase the retry timeout in `/drivers/net/phy/sfp.c` 
> (i.e. T_PROBE_RETRY_SLOW) so far, any suggestions would be appreciated. 
> Also, I'm on kernel version 5.9.13.
> 
> 
> 

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

  parent reply	other threads:[~2020-12-26 22:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-26 21:41 Solidrun ClearFog Base and Huawei MA5671A SFP Hamza Mahfooz
     [not found] ` <8394f1c8-0b27-c1aa-37d4-77d65bdccade@gmail.com>
2020-12-26 22:27   ` Russell King - ARM Linux admin [this message]
2020-12-27 19:34     ` Fwd: " Hamza Mahfooz

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=20201226222740.GE1551@shell.armlinux.org.uk \
    --to=linux@armlinux.org.uk \
    --cc=hkallweit1@gmail.com \
    --cc=netdev@vger.kernel.org \
    --cc=someguy@effective-light.com \
    /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.