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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] net: add QCA alx Ethernet driver
Date: Tue, 28 Feb 2012 22:32:58 -0500 (EST)
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From: "Huang, Xiong" <xiong@qca.qualcomm.com>
Date: Wed, 29 Feb 2012 03:11:14 +0000

> We understand your concern.  To support the new chipset, do you
> think it's reasonable to upstream it as a new driver, not a
> replacement ?

It depends upon how similar the chips are.

To be honest tg3, as one example, supports quite a large array of
different pieces of hardware that use the same logical core.

So that would be my litmus test about how different a chip needs
to be to deserve an entirely new driver.

I strongly suggest you try to get atl1c working properly.