netdev - Re: [PATCH] SMSC LAN911x and LAN921x vendor driver

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Message-ID: <87hcnioppf.fsf@p4.be.48ers.dk>
Date:	Thu, 02 Aug 2007 00:27:40 +0200
From:	Peter Korsgaard <jacmet@...site.dk>
To:	Steve.Glendinning@...c.com
Cc:	Bahadir Balban <Bahadir.Balban@....com>,
	Bill Gatliff <bgat@...lgatliff.com>,
	Dustin Mcintire <dustin@...soria.com>, ian.saturley@...c.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH] SMSC LAN911x and LAN921x vendor driver

>>>>> "Steve" == Steve Glendinning <Steve.Glendinning@...c.com> writes:

Hi,

 >> What's the problem with Dustin's driver? It seems to work fine here
 >> with a lan9117. Why not just add lan921x support to the existing
 >> driver?

 Steve> I have heard Dustin's driver works very well on PXA, but on
 Steve> others it doesn't even compile (hence why it depends on
 Steve> ARCH_PXA).

I'm using it on PPC.

 Steve> Dustin's driver was based on the smc91x code, but these two
 Steve> ethernet devices share nothing other than a similar name.
 Steve> smsc911x is a new, completely platform-independent driver with
 Steve> workarounds for several hardware issues, and it doesn't suffer
 Steve> from quite as much macro abuse :-)

The macros are not that bad as the hw people sligtly misconnected the
chip, so I need special access routines (enable the big endian mode,
not byteswap on normal registar access and byteswap on fifo access).

I'll give your driver a try and report back.

-- 
Bye, Peter Korsgaard

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