From patchwork Sun Jan 8 13:44:24 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 712368 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3txKK86KsQz9sR9 for ; Mon, 9 Jan 2017 00:44:44 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756227AbdAHNon (ORCPT ); Sun, 8 Jan 2017 08:44:43 -0500 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 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B30DE4E4DE; Sun, 8 Jan 2017 13:44:43 +0000 (UTC) Received: from shalem.localdomain.com (vpn1-5-90.ams2.redhat.com [10.36.5.90]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v08DiTFE014810; Sun, 8 Jan 2017 08:44:41 -0500 From: Hans de Goede 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 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> In-Reply-To: <20170108134427.8392-1-hdegoede@redhat.com> References: <20170108134427.8392-1-hdegoede@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Sun, 08 Jan 2017 13:44:43 +0000 (UTC) Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: 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 Reviewed-by: Andy Shevchenko Acked-by: Wolfram Sang --- 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