From: David Cohen <david.a.cohen@intel.com>
Date: Mon, 6 May 2013 23:11:03 +0000 (-0700)
Subject: gpio-langwell: fix irq conflicts when DT is not used
X-Git-Tag: v3.10-rc3~19^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2519f9abced15b4327f03d7b8666827517582c29;p=pandora-kernel.git

gpio-langwell: fix irq conflicts when DT is not used

When DT is not used IOAPIC does not register irq domain. As result
IOAPIC won't care about gpio-langwell's virq and may cause conflict if
an irq number is equal to gpio-langwell's virq mapped beforehand.

This patch tells gpio_langwell to not ignore irq_base if != 0 and
preferably use it to avoid the conflict.

If DT is used, irq_base can safely be 0.

Signed-off-by: David Cohen <david.a.cohen@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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