From a7d5b76d9a7e434e32a5b2815db45489617dcba6 Mon Sep 17 00:00:00 2001
From: Clemens Buchacher <drizzd@aon.at>
Date: Sat, 22 Oct 2011 02:56:20 +0000
Subject: [PATCH] jme: fix irq storm after suspend/resume

If the device is down during suspend/resume, interrupts are enabled
without a registered interrupt handler, causing a storm of
unhandled interrupts until the IRQ is disabled because "nobody
cared".

Instead, check that the device is up before touching it in the
suspend/resume code.

Fixes https://bugzilla.kernel.org/show_bug.cgi?id=39112

Helped-by: Adrian Chadd <adrian@freebsd.org>
Helped-by: Mohammed Shafi <shafi.wireless@gmail.com>
Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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