From: Sekhar Nori <nsekhar@ti.com>
Date: Sun, 11 Mar 2012 12:46:12 +0000 (+0530)
Subject: gpio/davinci: fix enabling unbanked GPIO IRQs
X-Git-Tag: v3.4-rc1~65^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81b279d80a63628e580c71a31d30a8c3b3047ad4;p=pandora-kernel.git

gpio/davinci: fix enabling unbanked GPIO IRQs

Unbanked GPIO IRQ handling code made a copy of just
the irq_chip structure for GPIO IRQ lines which caused
problems after the generic IRQ chip conversion because
there was no valid irq_chip_type structure with the
right "regs" populated. irq_gc_mask_set_bit() was
therefore accessing random addresses.

Fix it by making a copy of irq_chip_type structure
instead. This will ensure sane register offsets.

Cc: <stable@vger.kernel.org> # v3.0.x+
Reported-by: Jon Povey <Jon.Povey@racelogic.co.uk>
Tested-by: Jon Povey <Jon.Povey@racelogic.co.uk>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---

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