From bd77efd0cea80865d4cfcc1e4b62789c51a74b2d Mon Sep 17 00:00:00 2001
From: Sundar Iyer <sundar.iyer@stericsson.com>
Date: Mon, 13 Dec 2010 09:33:16 +0530
Subject: [PATCH] mfd/tc3589x: fix random interrupt misses

On the TC35892, a random delayed interrupt clear (GPIO IC) write locks up the
child interrupts. In such a case, the original interrupt is active and not yet
acknowledged. Re-check the IRQST bit for any pending interrupts and handle
those.

Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Sundar Iyer <sundar.iyer@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
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