linux-kernel - 32kHz clock removal causes problems omap

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Message-ID: <1352968293.10872.51.camel@cumari.coelho.fi>
Date:	Thu, 15 Nov 2012 10:31:33 +0200
From:	Luciano Coelho <coelho@...com>
To:	<svenkatr@...com>, <linux-omap@...r.kernel.org>
CC:	<linux-mmc@...r.kernel.org>, <cjb@...top.org>, <lrg@...com>,
	<broonie@...nsource.wolfsonmicro.com>,
	<linux-kernel@...r.kernel.org>, <balbi@...com>,
	Peter Ujfalusi <peter.ujfalusi@...com>,
	Tony Lindgren <tony@...mide.com>
Subject: 32kHz clock removal causes problems omap_hsmmc

Hi,

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.

--
Cheers,
Luca.

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