From aee8447cb5d497cc90ebe171bf70d9e68787e988 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Thu, 18 Oct 2007 23:40:23 -0700
Subject: [PATCH] Misc: phantom, synchronize_irq() on suspend

Wait after disabling device's interrupt until the handler finishes its work if
still in progress.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/phantom.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c
index 5108b7c..6e61a79 100644
--- a/drivers/misc/phantom.c
+++ b/drivers/misc/phantom.c
@@ -378,6 +378,8 @@ static int phantom_suspend(struct pci_dev *pdev, pm_message_t state)
 	iowrite32(0, dev->caddr + PHN_IRQCTL);
 	ioread32(dev->caddr + PHN_IRQCTL); /* PCI posting */
 
+	synchronize_irq(pdev->irq);
+
 	return 0;
 }
 
-- 
2.7.4