Isn't Wifi supposed to be off by default?

Andy Green andy at
Fri Jan 16 12:20:59 CET 2009

Hash: SHA1

Somebody in the thread at some point said:
| Andy Green wrote:
|> It's mainly just it is SDIO device on an SDIO bus that can't use SDIO
|> interrupt line, and we want it modular.
| Hmm, but the SDIO interrupt has nothing to do with rfkill :-)

I took it as a general question about why WLAN is "so awkward".  That's
the most broken thing about it now AFAIK.

| Also, the modular angle comes from how the SDIO stack handles
| suspend/resume, namely by removing the driver. The underlying
| mechanism for rmmod/unbind/suspend is pretty much the same.
| So even if we made the kernel monolithic, we'd still have all
| the same issues.


|> If the Atheros module had a kill pin we could drive it would have been
|> trivial, same as if we had a dedicated switchable regulator (or MOSFET
|> to control the power anyway) to supply the WLAN module.
| Yeah, that would have made this quite a bit easier. Now we have
| a very elaborate way for turning a request to change a single
| bit into a series of complex transactions that in the end again
| change a single bit we care a bout (and lots that we don't).


- -Andy
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