On Monday 17 January 2011 11:56:23 Michael Büsch wrote:

On Mon, 2011-01-17 at 11:46 +0100, Jonas Gorski wrote:

quoted

Hello,

I am currently looking into adding support for the newer Broadcom
BCM47xx/53xx SoCs. They require having HND/AI support, which probably
means merging the current SSB code and the HND/AI code from the
brcm80211 driver. Is anyone already working on this?

As far as I can see, there are two possibilities:

a) Merge the HND/AI code into the current SSB code, or

b) add the missing code for SoCs to brcm80211 and replace the SSB code
with it.

Why can't we keep those two platforms separated?

That is also what I am wondering about. Considering that previous BCM47xx 
platforms use a MIPS4k core and newer one use MIPS74k or later, you would not 
be able to build a single kernel for both which takes advantages of compile-
time optimizations targetting MIPS74k. If this ist not a big concern, then 
let's target a single kernel.

Is there really a lot of shared code between SSB and HND/AI?

It's true that there's currently a lot of device functionality built
into ssb. Like pci bridge, mips core, extif, etc...
If you take all that code out, you're probably not left with anything.

So why do we need to replace or merge SSB in the first place? Can't
it co-exist with HND/AI?

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