From: Alexander Shiyan <shc_work@mail.ru>
Date: Sun, 15 Dec 2013 09:36:51 +0000 (+0400)
Subject: regmap: irq: Allow using zero value for ack_base
X-Git-Tag: v3.14-rc1~93^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d3233433356aa1965b60b08ee61465b20e50474b;p=pandora-kernel.git

regmap: irq: Allow using zero value for ack_base

In some cases, clear interrupt register may be at address 0.
This patch allows to use such configurations by adding additional
configuration bit to indicate this.

[With doc fix from Levente Kurusa <levex@linux.com> -- broonie]

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Mark Brown <broonie@linaro.org>
---

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