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SubjectRe: [PATCH 5/5] ARM: tegra: enable wireless in defconfig
On Fri, 2012-07-06 at 03:59 +0800, Stephen Warren wrote:
> On 07/04/2012 03:34 AM, Wei Ni wrote:
> > New options enabled:
> > * WIRELESS: (dependency)
> > * CFG80211: (dependency)
> > * WLAN: (dependency)
> > * BRCMFMAC: wlan driver, enable as module.
> > diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig
> Why does this need to be a module? Everything else in tegra_defconfig is
> built-in, and it'd be nice to be consistent here. Built-in makes
> net-booting new kernels from U-Boot much easier, since there aren't any
> modules to copy.
> When I built a kernel with this series, I observed the following:
> * Neither Cardhu nor Ventana auto-load the module. When the module is
> manually modprobe'd, I still see no wireless device being created.
> * Cardhu: No wireless device created. I do see some kernel spew such as
> "mmc1: queuing unknown CIS tuple 0x80" which I believe is the SDIO
> device being probed, but I don't see any Linux device being created.
> * Ventana: There's a 60s hang during boot, I believe related to the BRCM
> driver, since the hang doesn't occur without the series.
> In summary, this series doesn't work at all for me. Can you please
> explain what you tested and how? Are there any differences between the
> various Cardhu and Ventana board revisions and/or the 2 different
> wireless cards possible on Cardhu that'd explain this?

I have verified this patch, it can work on these boards.
The t30/t20 version on my Cardhu and Ventana is A02, the wireless chip
is bcm4329. I didn't test on other boards, and I'm not sure if the
bcm4330 can work.
When you test, you need to copy the latest brcmfmac firmware to the
Please get it from:

You can run "ifconfig -a" to show the "wlan0" device.

> Thanks.
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