From patchwork Tue Aug 2 15:14:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 595393 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 66E53C282E7 for ; Tue, 2 Aug 2022 15:14:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237144AbiHBPOX (ORCPT ); Tue, 2 Aug 2022 11:14:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236831AbiHBPOU (ORCPT ); Tue, 2 Aug 2022 11:14:20 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 530C6186E2; Tue, 2 Aug 2022 08:14:19 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id EF98EB81F40; Tue, 2 Aug 2022 15:14:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 23C80C43145; Tue, 2 Aug 2022 15:14:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659453256; bh=L27CX05HZf4XykjyTAIE7PhecrMdrN1NZ0CnEJimvZg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L+JX0WvqxmaSq2y24PC/MU2F2OTevTS/l3EzJOTjypDjnJVgDWtkK8cQEksYW0YxU 2zPOej8GeD59ruH7sh+QezJZL2IPMJWdEHyYbIgtOG3ldtn2oB9n5bFCg0gRmAWkro QZm3IlUOf07sSMvVFHK9bhMqztgRhrxsfh0Std93MOvNGnhBICFQkr42B8FOtKtrL/ W4r2AsRJF3ytk8mQdc8+VrYdkw+kzdpDfDyA7u5MPRe4oNXqPxFwjWgQ0kk555VyX4 oqNACTcs6qG7v/0VUnwrR+3TmLegCOpNheW9c2HJuSh1GrCuJIMauM5QLxW5FaTas2 wi2TFLRBNuYag== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1oItbM-0000Ta-BJ; Tue, 02 Aug 2022 17:14:32 +0200 From: Johan Hovold To: Greg Kroah-Hartman , Felipe Balbi Cc: Rob Herring , Krzysztof Kozlowski , Andy Gross , Bjorn Andersson , Manivannan Sadhasivam , Konrad Dybcio , Krishna Kurapati , Stephen Boyd , Doug Anderson , "Matthias Kaehlcke" , Pavankumar Kondeti , quic_ppratap@quicinc.com, quic_vpulyala@quicinc.com, linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH 4/8] usb: dwc3: qcom: fix runtime PM wakeup Date: Tue, 2 Aug 2022 17:14:00 +0200 Message-Id: <20220802151404.1797-5-johan+linaro@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220802151404.1797-1-johan+linaro@kernel.org> References: <20220802151404.1797-1-johan+linaro@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org A device must enable wakeups during runtime suspend regardless of whether it is capable and allowed to wake the system up from system suspend. Fixes: 2664deb09306 ("usb: dwc3: qcom: Honor wakeup enabled/disabled state") Signed-off-by: Johan Hovold --- drivers/usb/dwc3/dwc3-qcom.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index b75ff40f75a2..57d3a0e6f280 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -395,7 +395,7 @@ static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom) dwc3_qcom_enable_wakeup_irq(qcom->ss_phy_irq, 0); } -static int dwc3_qcom_suspend(struct dwc3_qcom *qcom) +static int dwc3_qcom_suspend(struct dwc3_qcom *qcom, bool wakeup) { u32 val; int i, ret; @@ -414,7 +414,7 @@ static int dwc3_qcom_suspend(struct dwc3_qcom *qcom) if (ret) dev_warn(qcom->dev, "failed to disable interconnect: %d\n", ret); - if (device_may_wakeup(qcom->dev)) { + if (wakeup) { qcom->usb2_speed = dwc3_qcom_read_usb2_speed(qcom); dwc3_qcom_enable_interrupts(qcom); } @@ -424,7 +424,7 @@ static int dwc3_qcom_suspend(struct dwc3_qcom *qcom) return 0; } -static int dwc3_qcom_resume(struct dwc3_qcom *qcom) +static int dwc3_qcom_resume(struct dwc3_qcom *qcom, bool wakeup) { int ret; int i; @@ -432,7 +432,7 @@ static int dwc3_qcom_resume(struct dwc3_qcom *qcom) if (!qcom->is_suspended) return 0; - if (device_may_wakeup(qcom->dev)) + if (wakeup) dwc3_qcom_disable_interrupts(qcom); for (i = 0; i < qcom->num_clocks; i++) { @@ -939,9 +939,11 @@ static int dwc3_qcom_remove(struct platform_device *pdev) static int __maybe_unused dwc3_qcom_pm_suspend(struct device *dev) { struct dwc3_qcom *qcom = dev_get_drvdata(dev); + bool wakeup = device_may_wakeup(dev); int ret = 0; - ret = dwc3_qcom_suspend(qcom); + + ret = dwc3_qcom_suspend(qcom, wakeup); if (!ret) qcom->pm_suspended = true; @@ -951,9 +953,10 @@ static int __maybe_unused dwc3_qcom_pm_suspend(struct device *dev) static int __maybe_unused dwc3_qcom_pm_resume(struct device *dev) { struct dwc3_qcom *qcom = dev_get_drvdata(dev); + bool wakeup = device_may_wakeup(dev); int ret; - ret = dwc3_qcom_resume(qcom); + ret = dwc3_qcom_resume(qcom, wakeup); if (!ret) qcom->pm_suspended = false; @@ -964,14 +967,14 @@ static int __maybe_unused dwc3_qcom_runtime_suspend(struct device *dev) { struct dwc3_qcom *qcom = dev_get_drvdata(dev); - return dwc3_qcom_suspend(qcom); + return dwc3_qcom_suspend(qcom, true); } static int __maybe_unused dwc3_qcom_runtime_resume(struct device *dev) { struct dwc3_qcom *qcom = dev_get_drvdata(dev); - return dwc3_qcom_resume(qcom); + return dwc3_qcom_resume(qcom, true); } static const struct dev_pm_ops dwc3_qcom_dev_pm_ops = {