From patchwork Mon Jan 23 21:09:55 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: 718770 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 3v6kVm44Scz9rxl for ; Tue, 24 Jan 2017 08:10:40 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751130AbdAWVKi (ORCPT ); Mon, 23 Jan 2017 16:10:38 -0500 Received: from mx1.redhat.com ([209.132.183.28]:57998 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751369AbdAWVKe (ORCPT ); Mon, 23 Jan 2017 16:10:34 -0500 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (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 B47103A76B2; Mon, 23 Jan 2017 21:10:33 +0000 (UTC) Received: from shalem.localdomain.com (ovpn-116-98.ams2.redhat.com [10.36.116.98]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v0NLA0ee025633; Mon, 23 Jan 2017 16:10:30 -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 , Thomas Gleixner , "H . Peter Anvin" 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 v2 10/13] i2c: designware-baytrail: Call pmic_bus_access_notifier_chain Date: Mon, 23 Jan 2017 22:09:55 +0100 Message-Id: <20170123210958.18410-11-hdegoede@redhat.com> In-Reply-To: <20170123210958.18410-1-hdegoede@redhat.com> References: <20170123210958.18410-1-hdegoede@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 23 Jan 2017 21:10:33 +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 Acked-by: Jarkko Nikula --- Changes in v2: -Spelling: P-Unit, PMIC --- 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 7eddc3b..1749a0f 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_release(); } @@ -82,6 +84,8 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev *dev) 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