From: Kristen Carlson Accardi <kristen@linux.intel.com>
Date: Tue, 10 Apr 2012 13:15:41 +0000 (+0100)
Subject: i2c: prevent spurious interrupt on Designware controllers
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=3a48d1c08fe0;p=deliverable%2Flinux.git

i2c: prevent spurious interrupt on Designware controllers

Don't call i2c_enable on resume because it causes a spurious
interrupt.

Signed-off-by:  Kristen Carlson Accardi <kristen@linux.intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index 37f42113af31..00e8f213f56e 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -182,7 +182,6 @@ static int i2c_dw_pci_resume(struct device *dev)
 	pci_restore_state(pdev);
 
 	i2c_dw_init(i2c);
-	i2c_dw_enable(i2c);
 	return 0;
 }