netdev - Re: [PATCH 2/2 v4] MPC52xx FEC: be more conservative when setting MII

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Fri, 17 Jul 2009 12:31:33 -0600
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Wolfgang Denk <wd@...x.de>
Cc:	linuxppc-dev@...abs.org, Kumar Gala <galak@...nel.crashing.org>,
	netdev@...r.kernel.org
Subject: Re: [PATCH 2/2 v4] MPC52xx FEC: be more conservative when setting 
	MII_SPEED register

On Fri, Jul 17, 2009 at 11:51 AM, Wolfgang Denk<wd@...x.de> wrote:
> Dear Grant Likely,
>
> In message <fa686aa40907170745h6c5fae6bia0cff0926c93393c@...l.gmail.com> you wrote:
>>
>> >  drivers/net/fec_mpc52xx.c     |   25 ++++++++++++++++++++++---
>> >  drivers/net/fec_mpc52xx_phy.c |   23 ++++++++++++++++++++---
>>
>> Blech.  now this block of duplicated code I don't like.  This is all
>> one device, so surely the mdio speed can be calculated once and used
>> for both drivers.... let me think about this for a bit.  'course this
>> problem is all rolled up in the nastiness of having two drivers
>> working on the same device.  I suspect is was a mistake to split up
>> all the powerpc ethernet drivers into separate of_platform drivers.
>
> If you like, I can re-introduce the mpc5xxx_get_mii_speed() I unrolled
> upon your request (with or without re-using it for the MPC512x case).

No, there's a deeper issues here.  I'm bothered that the mac driver is
impacting the mdio driver.  I'd like to find a way for this whole
thing to be handled cleaner, and not have two different drivers
calculate it.

g.

>
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@...x.de
> What is mind?  No matter.  What is matter?  Never mind.
>                                      -- Thomas Hewitt Key, 1799-1875
>



-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html