From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B571C432BE for ; Tue, 17 Aug 2021 03:39:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3D48661052 for ; Tue, 17 Aug 2021 03:39:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237343AbhHQDjj (ORCPT ); Mon, 16 Aug 2021 23:39:39 -0400 Received: from lucky1.263xmail.com ([211.157.147.133]:53178 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233764AbhHQDj1 (ORCPT ); Mon, 16 Aug 2021 23:39:27 -0400 Received: from localhost (unknown [192.168.167.16]) by lucky1.263xmail.com (Postfix) with ESMTP id C91E5D657D; Tue, 17 Aug 2021 11:38:52 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-SKE-CHECKED: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P26933T140041124820736S1629171530026669_; Tue, 17 Aug 2021 11:38:53 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <67d7e864abf3b9b84a3879236bdf7c6c> X-RL-SENDER: jay.xu@rock-chips.com X-SENDER: xjq@rock-chips.com X-LOGIN-NAME: jay.xu@rock-chips.com X-FST-TO: lgirdwood@gmail.com X-RCPT-COUNT: 9 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jianqun Xu To: lgirdwood@gmail.com, broonie@kernel.org, ulf.hansson@linaro.org, lee.jones@linaro.org, zhangchangzhong@huawei.com, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Jianqun Xu Subject: [PATCH v2 2/3] regulator: core: add pre-enable event notify to regulator Date: Tue, 17 Aug 2021 11:38:47 +0800 Message-Id: <20210817033848.1396749-3-jay.xu@rock-chips.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210817033848.1396749-1-jay.xu@rock-chips.com> References: <20210817033848.1396749-1-jay.xu@rock-chips.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Notify the event about regulator to be enabled to driver. The IO-DOMAIN driver on Rockchip SoCs will take this event and then to configure the io-domain mode before regualtor_enable. Signed-off-by: Jianqun Xu --- v2: none drivers/regulator/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index f192bf19492e..d7dacc608509 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2654,6 +2654,9 @@ static int _regulator_enable(struct regulator *regulator) goto err_consumer_disable; } + _notifier_call_chain(rdev, REGULATOR_EVENT_PRE_ENABLE, + NULL); + ret = _regulator_do_enable(rdev); if (ret < 0) goto err_consumer_disable; -- 2.25.1