From patchwork Wed Oct 9 05:42:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guan-Yu Lin X-Patchwork-Id: 13827573 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A1AC253365 for ; Wed, 9 Oct 2024 05:45:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728452730; cv=none; b=dFazdBcl/l5VKy+y8lFc41UXCO3P3Gkwk+hzmiZ4LRy0FewFJKD2Dh9ol5u+87ReC1e/39jI4c9ujcj6u/+DQt24TbFg88pY/DS8wymXNR3LyUT8w1rRPcl8ykYxi9cU2XDsrh1AyDHrJqhQr1P3ll6+LzBB5JTQSOFzbMj3ktY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728452730; c=relaxed/simple; bh=jIbnaTHgtuirgsNY3ISWXJAyFgcWfdkjNgjVzXsbgbQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=gXLLyEE14EDiHSoqAy+b8GWIUJLaZAX0nQxDkOjfT/py39l+u6MKA+JtZpyfL+s7OTkjE2vZcAHi9RYrjby0ocSfJnC9EETHRjhDj5acM4UUyDBc2+8rzry6hh+H3hU5SbDT8q++38CBHrIzMqaWNNQpZHSPz2lJAwUDqNe2d8g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--guanyulin.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=D4S93nn1; arc=none smtp.client-ip=209.85.219.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--guanyulin.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="D4S93nn1" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-e28f059584dso2118481276.3 for ; Tue, 08 Oct 2024 22:45:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1728452726; x=1729057526; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=oXpWvPQ3Bnbo8Iave6r4WAuwxHNQGna3l+dWKXVRiGs=; b=D4S93nn1hJvti164pjPBATy+uOB5J1c6DCP3+HRKOaORY+3bEx0G1py5NsaNYqIJNL S6O2cTxCTSMYh0oebwGJ7VlPXov0OHUctUKdW5vDFNct9aHd0MFLyE1lvERR2YPdtgNl K4qlDaPHVwXU7Jhpqd0FjcWEvv6Fk0//Of6W0NJmF+QfrOzNS0+HeTiTU4VcLxhpzyg5 CLhNKbxno2y7Muf8ZYRi7eQiIu8rz1ZpQIsbdw9nC5v06AO8gIwdeJ/xKh0Sju7liiSN B629DURzgxTfrdFld8jpF3qzzWkvo0UO56sn/AqYJhBFu1AVHmEA/mvyhkTTa141iSmu qKTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728452726; x=1729057526; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=oXpWvPQ3Bnbo8Iave6r4WAuwxHNQGna3l+dWKXVRiGs=; b=w8Q2OIFhLY1LM3u9hWFK3JlWHZYsAZ3d9CZB9F5zN06JtJG2Lp0zJYGh3Dlk4+rkOV oRFTchn7DNwLfbnuJQPvDZILnJMCIuAtKmvxsK60p0GpkllHrdfkDE69i+nmNUDDpR7w Sm+c/kHUJQZJIhoLei7C1G49gR+MXUXZ1aAcQoKW7PchYq8Kntej5uTa6Wq/icLk69ew +Ej6H2o+FILGgOV+LE2+REnOH01SHyQhJAJx78/C2/6U0ylratUspA0xwi0AB9WW0uts 8+SCB2qnDaLKxfAzz93+Qi0L9Tu9UjgnU9/7pVnQLpOWZcdDoaGPWOVzEqRg09g55HaT u1+Q== X-Gm-Message-State: AOJu0Yx6PZubJI6UkFS0oOn15jNsPeoMKZGfWNnm5mV64Zg4D2E4KFRS by7hndVfqr5pJ/gZReREqoqa603+0xDt0m3a6/P2ztXYcfheFi7wvKmdrDr5/iBZZUBfAtWdO6j TyHg3tF6JIKeVWg== X-Google-Smtp-Source: AGHT+IEZQJLvdxSgG+wQehShtlfb17MEExjWTQ9LAcpQa9gV63RRjMiR64ZdHK5dbdoEiPGh+XtCBQ9/Q4uVKpE= X-Received: from guanyulin.c.googlers.com ([fda3:e722:ac3:cc00:131:cd17:ac11:19c7]) (user=guanyulin job=sendgmr) by 2002:a25:69c5:0:b0:e28:e6a1:fc53 with SMTP id 3f1490d57ef6-e28fe4bc5f0mr17350276.5.1728452725953; Tue, 08 Oct 2024 22:45:25 -0700 (PDT) Date: Wed, 9 Oct 2024 05:42:55 +0000 In-Reply-To: <20241009054429.3970438-1-guanyulin@google.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241009054429.3970438-1-guanyulin@google.com> X-Mailer: git-send-email 2.47.0.rc1.288.g06298d1525-goog Message-ID: <20241009054429.3970438-2-guanyulin@google.com> Subject: [PATCH v4 1/5] usb: dwc3: separate dev_pm_ops for each pm_event From: Guan-Yu Lin To: Thinh.Nguyen@synopsys.com, gregkh@linuxfoundation.org, mathias.nyman@intel.com, stern@rowland.harvard.edu, elder@kernel.org, oneukum@suse.com, yajun.deng@linux.dev, dianders@chromium.org, kekrby@gmail.com, perex@perex.cz, tiwai@suse.com, tj@kernel.org, stanley_chang@realtek.com, andreyknvl@gmail.com, christophe.jaillet@wanadoo.fr, quic_jjohnson@quicinc.com, ricardo@marliere.net, grundler@chromium.org, niko.mauno@vaisala.com Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, badhri@google.com, albertccwang@google.com, quic_wcheng@quicinc.com, pumahsu@google.com, Guan-Yu Lin Separate dev_pm_ops for different power events such as suspend, thaw, and hibernation. This is crucial when dwc3 driver needs to adapt its behavior based on different power state changes. Signed-off-by: Guan-Yu Lin --- drivers/usb/dwc3/core.c | 77 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 76 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index b25d80f318a9..2fdafbcbe44c 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -2582,6 +2582,76 @@ static int dwc3_resume(struct device *dev) return 0; } +static int dwc3_freeze(struct device *dev) +{ + struct dwc3 *dwc = dev_get_drvdata(dev); + int ret; + + ret = dwc3_suspend_common(dwc, PMSG_FREEZE); + if (ret) + return ret; + + pinctrl_pm_select_sleep_state(dev); + + return 0; +} + +static int dwc3_thaw(struct device *dev) +{ + struct dwc3 *dwc = dev_get_drvdata(dev); + int ret; + + pinctrl_pm_select_default_state(dev); + + pm_runtime_disable(dev); + pm_runtime_set_active(dev); + + ret = dwc3_resume_common(dwc, PMSG_THAW); + if (ret) { + pm_runtime_set_suspended(dev); + return ret; + } + + pm_runtime_enable(dev); + + return 0; +} + +static int dwc3_poweroff(struct device *dev) +{ + struct dwc3 *dwc = dev_get_drvdata(dev); + int ret; + + ret = dwc3_suspend_common(dwc, PMSG_HIBERNATE); + if (ret) + return ret; + + pinctrl_pm_select_sleep_state(dev); + + return 0; +} + +static int dwc3_restore(struct device *dev) +{ + struct dwc3 *dwc = dev_get_drvdata(dev); + int ret; + + pinctrl_pm_select_default_state(dev); + + pm_runtime_disable(dev); + pm_runtime_set_active(dev); + + ret = dwc3_resume_common(dwc, PMSG_RESTORE); + if (ret) { + pm_runtime_set_suspended(dev); + return ret; + } + + pm_runtime_enable(dev); + + return 0; +} + static void dwc3_complete(struct device *dev) { struct dwc3 *dwc = dev_get_drvdata(dev); @@ -2599,7 +2669,12 @@ static void dwc3_complete(struct device *dev) #endif /* CONFIG_PM_SLEEP */ static const struct dev_pm_ops dwc3_dev_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(dwc3_suspend, dwc3_resume) + .suspend = pm_sleep_ptr(dwc3_suspend), + .resume = pm_sleep_ptr(dwc3_resume), + .freeze = pm_sleep_ptr(dwc3_freeze), + .thaw = pm_sleep_ptr(dwc3_thaw), + .poweroff = pm_sleep_ptr(dwc3_poweroff), + .restore = pm_sleep_ptr(dwc3_restore), .complete = dwc3_complete, SET_RUNTIME_PM_OPS(dwc3_runtime_suspend, dwc3_runtime_resume, dwc3_runtime_idle)