From c7b9cf18624250e807f2c907536409d429cf9911 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Fri, 24 Feb 2017 10:29:10 +0100
Subject: [PATCH 10/14] i2c: designware-baytrail: Call
 pmic_bus_access_notifier_chain
References: bsc#1011913
Patch-mainline: 4.12-rc1
Git-commit: d93a6ed370667be38c465c675229d3229fc8681e

Call the iosf_mbi pmic_bus_access_notifier_chain on bus acquire / release.

Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=155241
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: tagorereddy <tagore.chandan@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/i2c/busses/i2c-designware-baytrail.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/i2c/busses/i2c-designware-baytrail.c
+++ b/drivers/i2c/busses/i2c-designware-baytrail.c
@@ -64,6 +64,8 @@ static void reset_semaphore(struct dw_i2
 
 	pm_qos_update_request(&dev->pm_qos, PM_QOS_DEFAULT_VALUE);
 
+	iosf_mbi_call_pmic_bus_access_notifier_chain(MBI_PMIC_BUS_ACCESS_END,
+						     NULL);
 	iosf_mbi_punit_release();
 }
 
@@ -83,6 +85,8 @@ static int baytrail_i2c_acquire(struct d
 		return 0;
 
 	iosf_mbi_punit_acquire();
+	iosf_mbi_call_pmic_bus_access_notifier_chain(MBI_PMIC_BUS_ACCESS_BEGIN,
+						     NULL);
 
 	/*
 	 * Disallow the CPU to enter C6 or C7 state, entering these states
