Re: 32kHz clock removal causes problems omap_hsmmc

From: Felipe Balbi
Date: Tue Dec 18 2012 - 05:01:59 EST


Hi,

On Thu, Nov 15, 2012 at 10:31:33AM +0200, Luciano Coelho wrote:
> Since the 32KHz clock was removed from the twl-regulator (0e8e5c34
> regulator: twl: Remove references to 32kHz clock from DT bindings),
> we've been having problems with our wl12xx chip that is connected
> through the omap_hsmmc.
>
> Our card simply doesn't get added to the system and we get lots of
> -ETIMEOUTs during mmc_attach. If I revert 0e8e5c34 (plus a couple of
> associated patches), everything works fine.
>
> I've been using a Blaze device with a WiLink 1283 chip connected in the
> COM (internal) port. The funny thing is that I don't have the same
> problem with a WiLink 1853 chip (which is connected externally to
> another Blaze).
>
> Does anyone know what the problem could and how to fix it?
>
> This is a regression that has been there since 3.6-rc1.

damn, this is still part of our v3.7-rc kernel. Original commit was done
with no testing whatsoever and caused a big regression to (at least)
TI's WiFi driver which depend on SDIO to function.

Too bad things break and even when reported nobody gives a rat's ***
about them :-s

--
balbi

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