From patchwork Mon Aug 16 03:20:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianqun Xu X-Patchwork-Id: 12437661 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 25FF9C4338F for ; Mon, 16 Aug 2021 03:20:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DA7AE617E3 for ; Mon, 16 Aug 2021 03:20:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DA7AE617E3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=CDB/v+ajOTYA0i76qK1ZhSIWSM4glg31ZAOPIgm2jZs=; b=iEk11bfS4OUybz 5/jpNuM3YqmI+49aikJHsMCVmmqyXZCEiymiZ1k1U/PdWhXloRZ8BvCQD79l1pYY11s6uNE0VjoDS oWta0dfAB0rYQhv6cghtK2OsxKosQmgqxGHB57gcuTc2g7VtShrZIaYxsJdBNYe6ZlLkzEPlZeFY1 6OuV5WYiCMj/5KozQs329eqV1ak6IcUG26t/hb5kFKlGxDKcHxsdhaQnIwQz7JNgW4ODH6OUkBull Luw65VS8In/kkO6Ux88BJS88GB1fMXykB8+/ryKsDVHijWysIn4Zvae0bFD4ozTYVgGMtdACiPAbk kznTIhInLIzTF8RLzIQQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mFTAf-00G3Vx-0f; Mon, 16 Aug 2021 03:20:17 +0000 Received: from lucky1.263xmail.com ([211.157.147.135]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mFTAb-00G3U2-VB for linux-rockchip@lists.infradead.org; Mon, 16 Aug 2021 03:20:15 +0000 Received: from localhost (unknown [192.168.167.70]) by lucky1.263xmail.com (Postfix) with ESMTP id CA67AB2B78; Mon, 16 Aug 2021 11:20:08 +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 P4989T139770959193856S1629084004780123_; Mon, 16 Aug 2021 11:20:08 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <0892698090bf98ad3edcbbcd00073b7d> 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 3/4] regulator: core: add pre-enable event notify to regulator Date: Mon, 16 Aug 2021 11:20:02 +0800 Message-Id: <20210816032003.1162779-4-jay.xu@rock-chips.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210816032003.1162779-1-jay.xu@rock-chips.com> References: <20210816032003.1162779-1-jay.xu@rock-chips.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210815_202014_256143_88C1BB25 X-CRM114-Status: GOOD ( 10.48 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.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 --- drivers/regulator/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index a53f1644a6f4..0eb7af487931 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;