From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Subject: [PATCH 4/7] i2c: designware-baytrail: Call pmic_bus_access_notifier_chain Date: Sun, 8 Jan 2017 14:44:24 +0100 Message-ID: <20170108134427.8392-5-hdegoede@redhat.com> References: <20170108134427.8392-1-hdegoede@redhat.com> Return-path: Received: from mx1.redhat.com ([209.132.183.28]:53892 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756210AbdAHNon (ORCPT ); Sun, 8 Jan 2017 08:44:43 -0500 In-Reply-To: <20170108134427.8392-1-hdegoede@redhat.com> Sender: linux-i2c-owner@vger.kernel.org List-Id: linux-i2c@vger.kernel.org To: Daniel Vetter , Jani Nikula , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Jarkko Nikula , Wolfram Sang , Len Brown , Andy Shevchenko Cc: Hans de Goede , intel-gfx , dri-devel@lists.freedesktop.org, Mika Westerberg , Takashi Iwai , "russianneuromancer @ ya . ru" , linux-i2c@vger.kernel.org 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 Tested-by: tagorereddy --- drivers/i2c/busses/i2c-designware-baytrail.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/i2c/busses/i2c-designware-baytrail.c b/drivers/i2c/busses/i2c-designware-baytrail.c index cf7a2a0..e8cf10a 100644 --- a/drivers/i2c/busses/i2c-designware-baytrail.c +++ b/drivers/i2c/busses/i2c-designware-baytrail.c @@ -63,6 +63,8 @@ static void reset_semaphore(struct dw_i2c_dev *dev) 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_unlock(); } @@ -82,6 +84,8 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev *dev) return 0; iosf_mbi_punit_lock(); + 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 -- 2.9.3