From patchwork Wed Nov 6 08:32:55 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: 842357 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 4FEAE1922E8 for ; Wed, 6 Nov 2024 08:35:19 +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=1730882122; cv=none; b=gEp9bfA+vNhVrex3Yypy6VVQf5GZRZ7l/7CpI909oeaj2J2B/VeRXd9megjghAjyBYkcz2nqmVuRoe+XxYy/4zFMLbwrbYqHQwS/m8vzvstmAIszOlnYaVJs28HC3meRguXKUT59Ro79jeakoAcjIETRWZe20epylaZm8W98vZE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730882122; c=relaxed/simple; bh=6quhFQ2ncrTjf4Me/OBMe3GF0xmYkzQjOFwbOPaWC0I=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=GgI3cjZFLpYqOXkUF3bC0HTqS5Zp/g6s0RTYzjM2cYP51zKCCHqQeIJoNUt4xZvmI26FuQo0wHieW7ps+1js6FJeD9FNCFjXOiUpT1VX4DcNmwMhhVUUe7blVMG7pBrtxsDIaHh3Ml/2iyLJ5y9doE562QqWYa9v2unI7szFvMs= 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=SIUUBIpx; 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="SIUUBIpx" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-e2e3321aae0so9974317276.1 for ; Wed, 06 Nov 2024 00:35:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1730882118; x=1731486918; 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=IumGmvr31fowXT167MDqh61gubvL7Xj6+sSzWudS0fI=; b=SIUUBIpxEU1QgoqFHps8B4/Ke/8J/e1WwIBPJtyqXg3FZggXJjtYIAC4RMA0p+5/SJ 53si1ypLpPducj41yiPSAuf0FvZCYvuQeVG3DSwLTuK4c55GdjkfWJeyZ2TXpIZZlpyA ITd5RWwKgSi5VAoxB/6P0JmCjKp+pkFZ9IR1V/IWU2IrIIes157H6+vw1eUTojaJCQC1 NE5xwCzdGPKw+Niq/oftZdU000OB3z562/qxWiHK6GSNHb2njnsUT6GS8wr6NvCCzhLP Di+yzRw81lN9ikeul9heYm6gBCSROVNfTcF54Gj2aR8e11E2uRZMijIJAQ2YTdc8wkaq tqCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730882118; x=1731486918; 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=IumGmvr31fowXT167MDqh61gubvL7Xj6+sSzWudS0fI=; b=g5m/4KfMwwoyFGpkomnLpHUo/GI8lCWBYpJlaHdUZm6e7+/UVoT64YvXds0TijLv7k eBGZuWJqTQOVeUQH20SHOqmE+nwUmnNlAD28SrIGHp4IZ7inUFybq1XLWsFY+n2CHNjB Y10EdyuaE26C9Z912haro3C9qAJTYoNLTYGxpSKEzEitSKFKy5ODjWEEU5A16pQ6eG6m +PUofMR65WBBpd8ToNwmDudBRD8KmT2QuSWkLz0HrJ0ssgGYhS4OFCcsYV6HEeN+Bgbz 1CIKE4NePtATETIYJU9j3TPqnPrsS+Tut7JMzxv//s1giqC/kLJSR5n42HOkotKn79ua Hjdg== X-Gm-Message-State: AOJu0YzImtFzjD2IJhStoaZOiZKTBrhjM6sP1dbGN4AjFz8AB06v4tbG ShAoHcTINfd4znl+4MhXOs8VQOD8arUDSx7MR9+qnRHOiPAB2cw76uVzTIT6xQ7pGdsWhToN558 vhQ07xzugBqr9lw== X-Google-Smtp-Source: AGHT+IFB0Awyro0SxbJwsUGskYgR6WNNcfW11Dy1ezhsMBzsh0YK7fbx+j5+Khbflu2XH4qFbZRp+ycq94C4avs= X-Received: from guanyulin.c.googlers.com ([fda3:e722:ac3:cc00:131:cd17:ac11:19c7]) (user=guanyulin job=sendgmr) by 2002:a05:6902:1d1:b0:e2e:3031:3f0c with SMTP id 3f1490d57ef6-e30e5b0ee45mr15818276.7.1730882117985; Wed, 06 Nov 2024 00:35:17 -0800 (PST) Date: Wed, 6 Nov 2024 08:32:55 +0000 In-Reply-To: <20241106083501.408074-1-guanyulin@google.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241106083501.408074-1-guanyulin@google.com> X-Mailer: git-send-email 2.47.0.199.ga7371fff76-goog Message-ID: <20241106083501.408074-2-guanyulin@google.com> Subject: [PATCH v6 1/5] usb: dwc3: separate dev_pm_ops for each pm_event From: Guan-Yu Lin To: gregkh@linuxfoundation.org, Thinh.Nguyen@synopsys.com, mathias.nyman@intel.com, stern@rowland.harvard.edu, sumit.garg@linaro.org, dianders@chromium.org, kekrby@gmail.com, oneukum@suse.com, yajun.deng@linux.dev, niko.mauno@vaisala.com, christophe.jaillet@wanadoo.fr, tj@kernel.org, stanley_chang@realtek.com, andreyknvl@gmail.com, quic_jjohnson@quicinc.com, ricardo@marliere.net Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, 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)