From patchwork Wed Aug 23 09:15:53 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: 13361949 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 6B01CEE49AE for ; Wed, 23 Aug 2023 09:33:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235321AbjHWJdu (ORCPT ); Wed, 23 Aug 2023 05:33:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45316 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235506AbjHWJ2X (ORCPT ); Wed, 23 Aug 2023 05:28:23 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7CD5A4EC2; Wed, 23 Aug 2023 02:15:59 -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 dfw.source.kernel.org (Postfix) with ESMTPS id BC20861FCE; Wed, 23 Aug 2023 09:15:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id EB187C433C7; Wed, 23 Aug 2023 09:15:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692782158; bh=be/C8m+z+Od5rOnUlwnva1yDeuaE30t+Hcjy24kPcJk=; h=From:Date:Subject:To:Cc:Reply-To:From; b=NlPnwTz2fJqAG2DoYUFrG2gnnxjeqRhJsMevsyaoQQHDYnQRZoq36ibcFW34fWsUa W5H3U6OnZ4xmgpYl8MEJOfV+e0y90T2jUJdSJV75erSHrt5c82ECabaWXr/U+miwh+ roqm1eUL29Kwm1XX+8EKeO3msL2Df2AsULwVcJkJxkN4IyFi05W6tbc8G+VBI1mKc/ j/Z/y4k/n+Pn5qGM0hs5SJLkC0nYOWMlsu/jcHMXZIMcDTlwn5zbTgZpZ3AOgFHyy9 80ZYDG080Fl8sLIaBGFfrjvkIYtTXe0gpws7BdMG4+EbrE2roX6yPoUZEWmBfEae6G zdcOuEmnkuLFQ== 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 CC171EE4993; Wed, 23 Aug 2023 09:15:57 +0000 (UTC) From: Hui Liu via B4 Relay Date: Wed, 23 Aug 2023 17:15:53 +0800 Subject: [PATCH] usb: typec: qcom: check regulator enable status before disabling it MIME-Version: 1.0 Message-Id: <20230823-qcom-tcpc-v1-1-fa81a09ca056@quicinc.com> X-B4-Tracking: v=1; b=H4sIAEnO5WQC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDI2MDCyMj3cLk/FzdkuSCZN0UE0NLU5PEZDPTtEQloPqCotS0zAqwWdGxtbU AqbU6oVsAAAA= 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=1692782156; l=1109; i=quic_huliu@quicinc.com; s=20230823; h=from:subject:message-id; bh=Eq7q1VhxzBMiiLW046ihxgswENpgBh2pfv7VGXtEKDE=; b=7tSyma7eOKcwSWhtFR3YWbPboVUNtB1aFtgl+IJz8Z5x79QAvbVQgQRdLLt4yr2C5EQp28ApZ +uFnUcgg7SYADBTV3R07hBfaXnBJsVtbi3JZo7lHwWYqkzHNvz5R+5u 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 Check regulator enable status before disabling it to avoid unbalanced regulator disable warnings. Signed-off-by: Hui Liu Reviewed-by: Bryan O'Donoghue Reviewed-by: Guenter Roeck --- drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- 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..ca616b17b5b6 100644 --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_pdphy.c @@ -422,7 +422,8 @@ 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); + if (regulator_is_enabled(pmic_typec_pdphy->vdd_pdphy)) + regulator_disable(pmic_typec_pdphy->vdd_pdphy); return ret; }