linux-kernel - 3.13-rc1: MMC & fixed regulator regression

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Message-ID: <20131126180325.GF24645@blackmetal.musicnaut.iki.fi>
Date:	Tue, 26 Nov 2013 20:03:26 +0200
From:	Aaro Koskinen <aaro.koskinen@....fi>
To:	Chris Ball <cjb@...top.org>,
	Laxman Dewangan <ldewangan@...dia.com>,
	Mark Brown <broonie@...aro.org>
Cc:	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: 3.13-rc1: MMC & fixed regulator regression

Hi,

On N950 with fixed vmmc regulator, MMC probe started to fail with
3.13-rc1:

[    2.497406] mmc0: host doesn't support card's voltages
[    2.502899] mmc0: error -22 whilst initialising MMC card

I bisected this to c368e5fc2a190923b786f2de3e79430ea3566a25
(regulator: fixed: get rid of {get|list}_voltage()). With this commit
regulator_list_voltage() does not work anymore for a fixed regulator. MMC
code is using this in mmc_regulator_get_ocrmask().

A.
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