From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Thu, 9 Aug 2012 14:33:00 +0000 (+0200)
Subject: regulator: core: request only valid gpio pins for regulator enable
X-Git-Tag: v3.6-rc3~24^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b2a1ef473b031b630a26685c91a46b9ae668d35c;p=pandora-kernel.git

regulator: core: request only valid gpio pins for regulator enable

Commit 65f735082de3 ("regulator: core: Add core support for GPIO controlled
enable lines") introduced enable gpio entry in regulator configuration
structure. Some drivers use '-1' as a placeholder for marking that such
gpio line is not available, because '0' is considered as a valid gpio
number. This patch fixes initialization of such drivers (like MAX8952
on UniversalC210 board), when '-1' is provided as enable gpio pin in the
regulator's platform data.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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