From patchwork Thu Aug 31 10:19:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hui Liu via B4 Relay X-Patchwork-Id: 13371187 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2403CC83F33 for ; Thu, 31 Aug 2023 10:19:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245446AbjHaKT4 (ORCPT ); Thu, 31 Aug 2023 06:19:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242212AbjHaKTz (ORCPT ); Thu, 31 Aug 2023 06:19:55 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C61D9CF3; Thu, 31 Aug 2023 03:19:52 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id DE55DB82171; Thu, 31 Aug 2023 10:19:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 9C177C433C7; Thu, 31 Aug 2023 10:19:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1693477189; bh=YkOxDXBCUDLl6Cguo4+rc9hRV8tH3QYa5BZ+A8uztWA=; h=From:Date:Subject:To:Cc:Reply-To:From; b=bRBzAiUkzGOjkp1o+lGoEBBKUuDzEpGZJWeKDbbWfrMueA9BPcSG8omcTONDiizi0 r/EBGGaC2EMxnjAgVWbCkD9XPJIiS87jqXmxVbr1u8t95YU1XapGAvPolyIp2rFy+P OWGkQ330jnV5IbaVwuvvIpaMTo3OguF3BTy49JqeuIwtRj+JRxV8Lqy5t1xJt5ggqx irRZCz/Lh80ZGLLSmXPZmLREdjYp23Cm47nm6uXApGZJZ13AnDoHwKbGjZ5Jp6/Va+ IB72gXhVKGQngK2vsJvNPBVbT7ovUMTm67Ax14nrfGc4ASHkhKvDu9uq2hBpCAeJ0W hBg8P4HlEQsOw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DE31C83F12; Thu, 31 Aug 2023 10:19:49 +0000 (UTC) From: Hui Liu via B4 Relay Date: Thu, 31 Aug 2023 18:19:45 +0800 Subject: [PATCH v5] usb: typec: qcom: Update the logic of regulator enable and disable MIME-Version: 1.0 Message-Id: <20230831-qcom-tcpc-v5-1-5e2661dc6c1d@quicinc.com> X-B4-Tracking: v=1; b=H4sIAEJp8GQC/2XMyw6CMBCF4VchXVvTyxRaV76HcVGmRbqQu0RDe HcLiUkNyzOZ71/I6IfgR3LJFjL4OYyhbeJQp4xgbZuHp8HFTQQTkmkhaI/tk07YIXXAjQKLuao sif/d4Kvw3lu3e9x1GKd2+OzpmW/XX0UmlZlTTiuruWUGLVP5tX8FDA2e4wvZOrNILaRWRCud0 yhBgMrhaGVqdWpltN6osrCVleDM0UJiJUstRIvclMxo0IUp/+26rl978+U1WAEAAA== To: Bryan O'Donoghue , Guenter Roeck , Andy Gross , Bjorn Andersson , Konrad Dybcio , Heikki Krogerus , Greg Kroah-Hartman Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, quic_fenglinw@quicinc.com, subbaram@quicinc.com, Hui Liu X-Mailer: b4 0.13-dev-83828 X-Developer-Signature: v=1; a=ed25519-sha256; t=1693477188; l=3206; i=quic_huliu@quicinc.com; s=20230823; h=from:subject:message-id; bh=2oArl3p3f4nGra9OaL8wrTdlGSIGZy5nArkkLq2X1WQ=; b=wOFTaj5NpC1jhXmeOUvbOaohgy/Xu/GtXVUzhJKflZyqduIAuYv5G39xqA53jvCNzGTHHKqpR Bfc2iH5VL1UAyHiaeHQ/Ns4YOJLUt+SFai/7v3Un2em5H1yxHpyAkSq X-Developer-Key: i=quic_huliu@quicinc.com; a=ed25519; pk=1z+A50UnTuKe/FdQv2c0W3ajDsJOYddwIHo2iivhTTA= X-Endpoint-Received: by B4 Relay for quic_huliu@quicinc.com/20230823 with auth_id=80 X-Original-From: Hui Liu Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Hui Liu Removed the call logic of disable and enable regulator in reset function. Enable the regulator in qcom_pmic_typec_start function and disable it in qcom_pmic_typec_stop function to avoid unbalanced regulator disable warnings. Fixes: a4422ff22142 ("usb: typec: qcom: Add Qualcomm PMIC Type-C driver") Reviewed-by: Bryan O'Donoghue Acked-by: Bryan O'Donoghue Tested-by: Bryan O'Donoghue # rb5 Signed-off-by: Hui Liu Reviewed-by: Heikki Krogerus --- Changes in v5: - Removed Reviewed-by: Guenter Roeck - Updated V4 history - Link to v4: https://lore.kernel.org/r/20230830-qcom-tcpc-v4-1-c19b0984879b@quicinc.com Changes in v4: - Rephrased commit text - Link to v3: https://lore.kernel.org/r/20230828-qcom-tcpc-v3-1-e95b7afa34d9@quicinc.com Changes in v3: - Take Bryan's proposal to remove enable/disable operation in pdphy enable and pdphy disable function, then enable regulator in pdphy start function and disable it in pdphy stop function. - Link to v2: https://lore.kernel.org/r/20230824-qcom-tcpc-v2-1-3dd8c3424564@quicinc.com Changes in v2: - Add Fixes tag - Link to v1: https://lore.kernel.org/r/20230823-qcom-tcpc-v1-1-fa81a09ca056@quicinc.com --- drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) --- base-commit: bbb9e06d2c6435af9c62074ad7048910eeb2e7bc change-id: 20230822-qcom-tcpc-d41954ac65fa Best regards, diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c index bb0b8479d80f..52c81378e36e 100644 --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c @@ -381,10 +381,6 @@ static int qcom_pmic_typec_pdphy_enable(struct pmic_typec_pdphy *pmic_typec_pdph struct device *dev = pmic_typec_pdphy->dev; int ret; - ret = regulator_enable(pmic_typec_pdphy->vdd_pdphy); - if (ret) - return ret; - /* PD 2.0, DR=TYPEC_DEVICE, PR=TYPEC_SINK */ ret = regmap_update_bits(pmic_typec_pdphy->regmap, pmic_typec_pdphy->base + USB_PDPHY_MSG_CONFIG_REG, @@ -422,8 +418,6 @@ static int qcom_pmic_typec_pdphy_disable(struct pmic_typec_pdphy *pmic_typec_pdp ret = regmap_write(pmic_typec_pdphy->regmap, pmic_typec_pdphy->base + USB_PDPHY_EN_CONTROL_REG, 0); - regulator_disable(pmic_typec_pdphy->vdd_pdphy); - return ret; } @@ -447,6 +441,10 @@ int qcom_pmic_typec_pdphy_start(struct pmic_typec_pdphy *pmic_typec_pdphy, int i; int ret; + ret = regulator_enable(pmic_typec_pdphy->vdd_pdphy); + if (ret) + return ret; + pmic_typec_pdphy->tcpm_port = tcpm_port; ret = pmic_typec_pdphy_reset(pmic_typec_pdphy); @@ -467,6 +465,8 @@ void qcom_pmic_typec_pdphy_stop(struct pmic_typec_pdphy *pmic_typec_pdphy) disable_irq(pmic_typec_pdphy->irq_data[i].irq); qcom_pmic_typec_pdphy_reset_on(pmic_typec_pdphy); + + regulator_disable(pmic_typec_pdphy->vdd_pdphy); } struct pmic_typec_pdphy *qcom_pmic_typec_pdphy_alloc(struct device *dev)