From patchwork Sat Mar 25 16:52:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 13187820 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 1F6B7C77B61 for ; Sat, 25 Mar 2023 16:52:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231833AbjCYQwm (ORCPT ); Sat, 25 Mar 2023 12:52:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231801AbjCYQwj (ORCPT ); Sat, 25 Mar 2023 12:52:39 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9DFC10A9E for ; Sat, 25 Mar 2023 09:52:37 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id w4so4528487plg.9 for ; Sat, 25 Mar 2023 09:52:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1679763157; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=uLaFipfBdI+W5aTES7xtFhEzUuoToo9NoMDrjkoxe14=; b=J8kJ2HWE9zd1qQC2Q2X5bRMa/zPtKkOEXv9gjB84Jeg/lWHFLXnKV5ekJdtvYtK/C1 FGYa4QxxQivFj/+YtyEUSqlqa0ImCwritZ12bucm5PIS/9b6qUTUDbaoWPfxXOBa2lzg nfT+dk3K+3u3VpGS/xkYoP781BgTZxvLi4qQgcBj055VZQowraCum6Kmh7ldoaCpaEVv KMqRnSAoSfh7NH2yDTNx8cM13kUOHsVwlnjiVxlB1QttjgjGyBIvS6uxjTWajQXOlZPs EkWWPK0Frg4DPAx8pOQ9V3Zs1JkXuyNHuwXGm+AeDeZof91CiQHYwW6IYeq3khdgzJi3 wkWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679763157; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uLaFipfBdI+W5aTES7xtFhEzUuoToo9NoMDrjkoxe14=; b=xeWOQGF1l7LCyLmzjXUIae2Y0VscIm2AajgPP1wdUpbRuStHK8xEf068I4xUvE4KTs tPNUWNjhVaS1sdrz1Fr+Je6gk6GM50d6hSNnx2BFTxPvomZSAg/HTi66CBVQk4udZ/y7 +qf/9imDHvzLtlk6k5JxC/gn+He3cMTlUrNn3opkxtl4K0X8uau1UpPB799Vlr8JSpkT gUIZJZu+b1HaE1WT1LiDsYa4ACKMnfYfUEVDsyoUIjIvtJjRpOb/pzpVo9hnj/m4px8f sKHgOy2J1UFfRqqFzpyz9MJXBwyHu6qaVZ7HUV1DM8UlnWVdwv1RHJ3BXVWw+0HKVoOy M9aQ== X-Gm-Message-State: AAQBX9cYYB3ts1Kw0CfK/WK4QH+sTg8cKYLeOj3MehztmBLVKxuBqrfV 2VJV+M50/Az8QZ0sI7aPL9B4HLSxwMDYVdAP0A== X-Google-Smtp-Source: AKy350YKKHNCx7DUvd6DRGf99QA2MoJ8mSIFRxicZz7eVqtI5GcFp6aaystUQRGrQRWgNgZ9oZR7eQ== X-Received: by 2002:a17:903:24d:b0:19e:ecaf:c4b4 with SMTP id j13-20020a170903024d00b0019eecafc4b4mr7805323plh.4.1679763157021; Sat, 25 Mar 2023 09:52:37 -0700 (PDT) Received: from localhost.localdomain ([117.217.184.99]) by smtp.gmail.com with ESMTPSA id p5-20020a1709026b8500b001a1aeb3a7a9sm14889787plk.137.2023.03.25.09.52.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Mar 2023 09:52:36 -0700 (PDT) From: Manivannan Sadhasivam To: andersson@kernel.org, Thinh.Nguyen@synopsys.com, gregkh@linuxfoundation.org, mathias.nyman@intel.com Cc: konrad.dybcio@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH 2/5] xhci: host: Use 200ms autosuspend delay for runtime suspend Date: Sat, 25 Mar 2023 22:22:14 +0530 Message-Id: <20230325165217.31069-3-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230325165217.31069-1-manivannan.sadhasivam@linaro.org> References: <20230325165217.31069-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On the Qcom platforms making use of DWC3 IP, xhci IRQs are received after some delay while resuming from runtime suspend. Due to this, the xhci driver once resumed, quickly goes into runtime suspend mode again, thus deferring the usb enumeration. So let's add a 200ms autosuspend delay to the xhci driver so that it get's enough time to catch the IRQs. Signed-off-by: Manivannan Sadhasivam --- drivers/usb/host/xhci-plat.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index b9f9625467d6..f09510d3effe 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -173,6 +173,8 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s return ret; pm_runtime_set_active(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, 200); + pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_enable(&pdev->dev); pm_runtime_get_noresume(&pdev->dev);