Date: Sun, 20 Dec 2009 17:50:33 -0800
From: Randy Dunlap <rdunlap@xenotime.net>
To: "Philip A. Prindeville" <philipp_subx@redfish-solutions.com>
Cc: wireless <linux-wireless@vger.kernel.org>
Subject: Re: Can't turn off SSB (CONFIG_SSB)?
Message-Id: <20091220175033.36980f35.rdunlap@xenotime.net>
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References: <4B2ECC72.40703@redfish-solutions.com>
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On Sun, 20 Dec 2009 17:16:34 -0800 Philip A. Prindeville wrote:

> I'm building images for an EMBEDDED platform, and forcing CONFIG_SSB_POSSIBLE=n, but I'm still seeing:

What $ARCH ?

> *
> * Sonics Silicon Backplane
> *
> Sonics Silicon Backplane support (SSB) [M/y/?] (NEW) n
> 
> Support for the Sonics Silicon Backplane bus.
> You only need to enable this option, if you are
> configuring a kernel for an embedded system with
> this bus.
> It will be auto-selected if needed in other
> environments.
> 
> The module will be called ssb.
> 
> If unsure, say N.
> 
> Sonics Silicon Backplane support (SSB) [M/y/?] (NEW) n
> 
> Support for the Sonics Silicon Backplane bus.
> You only need to enable this option, if you are
> configuring a kernel for an embedded system with
> this bus.
> It will be auto-selected if needed in other
> environments.
> 
> The module will be called ssb.
> 
> If unsure, say N.
> 
> Sonics Silicon Backplane support (SSB) [M/y/?] (NEW) 
> 
> 
> 
> And why does arch/x86/configs/i386_defconfig nail up CONFIG_SSB_POSSIBLE?

That just means that SSB support is possible:

config SSB_POSSIBLE
	bool
	depends on HAS_IOMEM && HAS_DMA
	default y

Shouldn't be a problem.

> This is with 2.6.27.38.
> 
> And what are the steps to figuring out the dependency that keeps forcing it on?  Something must be doing a "select SSB" but I'm not sure what.

Are you using b43 or b44 network drivers?

---
~Randy