From patchwork Wed May 28 09:04:06 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guan-Yu Lin X-Patchwork-Id: 893314 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 D9A7F27466D for ; Wed, 28 May 2025 09:09:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748423350; cv=none; b=iE25mODyAMq6il2RLdhM0bZQvkka5kBO11A0hDhQjzUPgJP7KXUc3uMjt+HMyPxeBg0MyMKnt4E2qTWEVEUrHxvWQgKY74V4gLAAXdv25wcwlTrtfO3IKKT9X8G4ZdqbyBNBPi8EDDwHiOdAEOJbggt25ooX+eNIEISBblt6zbs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748423350; c=relaxed/simple; bh=yiqxlEef6e6oha1pchQ2m2q9rAFOKYzae/zmvK1wqYI=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=SzM7r6e/HuLGDvyR5rq/+fAIrSo5KAoVuoJ+tgk42DME78md4ObtEfnPPL2NRLDD8R8MBVZw+0AvQpMR3FGfjtRmVZohvZYlDbvcF15OKI2W1okd6qLZCEoRxvPyg2pW/UdJ2uuRmUKq69O9Gzf8psFrJSyoIK2yFMLJ4d6xMB0= 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=na4J6OKs; arc=none smtp.client-ip=209.85.214.201 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="na4J6OKs" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-2344f88f9easo25079375ad.3 for ; Wed, 28 May 2025 02:09:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1748423348; x=1749028148; 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=TcH4wQEDitg7iKswMVLenRvnR5FQWdp+kaJqj06aZvk=; b=na4J6OKsqMB8oA2bft+eP55kA60mob1TU4mqPIq+qhOyLA0w/oT4Qj/l2WTqhbRNgL Gg1lYeIIYY8SQgrUUkTi7V+HjSGtrIrrb96SIkKQjU3paf2MGeqQPNRgsEHcMDnJkzDS USVB6G06W0adHpbY44+V4GimjwnN0z30KBjIN44gfG7DNRhafh9G1kPSXDwYHAFWYOK3 8yUmBlzVh3tmZnwhVXqsfp2ppKR0KlYMQOpY2h5Flm3cfUdT9x882IKW9oK85j/JGDyf SlGjV0l2qUzTtj51I+ZOwwUHYTNZ4AFifskYaMp02itwL/qMNSVUKgMiSR1CwBsUEZ9n TpEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1748423348; x=1749028148; 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=TcH4wQEDitg7iKswMVLenRvnR5FQWdp+kaJqj06aZvk=; b=t2ICJPzFXAXtcmldjvIxyZ3r/Id+ASEfMbCcyRUk8BnfvQu+CJIXmWg2ykc4VOVr6Q OsLWxgVgALr0GXY6SifdzDH+IiygCNaldTAnFQf4ACeilz17Zn6uqXZitS/53eySaxAB /W+iJZx8iOrOXeVPT6U5qed6T5TzTVE7ISXpDh2KRK+q5wOLddQTPSIX9w5awWSWCtiG 2GOiIM6D6hiibTPAn+3q/R+ClrOtDVYLw7+VKUafsfpIu7qpc9NZO1DvpQ871LAdm/I0 ruFJQiDzxQlFNfdrII3eZLMbQpgGjuO94etvI4h/GRIpUVnInrlsSwriJqSpntLp7XJm hXkw== X-Gm-Message-State: AOJu0YwqrreQbc4rKoE3x60o3fxTZ7XWV8c88oduGWbITtIvpZ+YSIVI f83WLvzzIA9ae1inZsiAM/tiC5gLMFD9Z5XVtar6/VTfQjJNzjktvRuplfDYtKR6ITOub8d5xQV Z9pNvYUhC5vyi6zA2hQ== X-Google-Smtp-Source: AGHT+IH+Sq62F/bY1S8bL8pzuwSaysSESeNWCQygopA9Z8I3D+IHWKzwUJfPC9+GkMueR/1jmMaoWl6hpYoz05g= X-Received: from pllg6.prod.google.com ([2002:a17:902:7406:b0:234:aaa9:fcd1]) (user=guanyulin job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:d490:b0:234:aa9a:9e0f with SMTP id d9443c01a7336-234aa9a9e76mr62606355ad.23.1748423348157; Wed, 28 May 2025 02:09:08 -0700 (PDT) Date: Wed, 28 May 2025 09:04:06 +0000 In-Reply-To: <20250528090849.2095085-1-guanyulin@google.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250528090849.2095085-1-guanyulin@google.com> X-Mailer: git-send-email 2.49.0.1164.gab81da1b16-goog Message-ID: <20250528090849.2095085-2-guanyulin@google.com> Subject: [PATCH v13 1/4] usb: xhci-plat: separate dev_pm_ops for each pm_event From: Guan-Yu Lin To: gregkh@linuxfoundation.org, mathias.nyman@intel.com, gargaditya08@live.com, kekrby@gmail.com, jeff.johnson@oss.qualcomm.com, quic_zijuhu@quicinc.com, andriy.shevchenko@linux.intel.com, ben@decadent.org.uk, broonie@kernel.org, quic_wcheng@quicinc.com, krzysztof.kozlowski@linaro.org 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 xhci-plat driver needs to adapt its behavior based on different power state changes. Signed-off-by: Guan-Yu Lin --- drivers/usb/host/xhci-plat.c | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 6dab142e7278..9843d3ad5cf4 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -453,7 +453,7 @@ void xhci_plat_remove(struct platform_device *dev) } EXPORT_SYMBOL_GPL(xhci_plat_remove); -static int xhci_plat_suspend(struct device *dev) +static int xhci_plat_suspend_common(struct device *dev) { struct usb_hcd *hcd = dev_get_drvdata(dev); struct xhci_hcd *xhci = hcd_to_xhci(hcd); @@ -481,6 +481,16 @@ static int xhci_plat_suspend(struct device *dev) return 0; } +static int xhci_plat_suspend(struct device *dev) +{ + return xhci_plat_suspend_common(dev); +} + +static int xhci_plat_freeze(struct device *dev) +{ + return xhci_plat_suspend_common(dev); +} + static int xhci_plat_resume_common(struct device *dev, bool power_lost) { struct usb_hcd *hcd = dev_get_drvdata(dev); @@ -528,6 +538,11 @@ static int xhci_plat_resume(struct device *dev) return xhci_plat_resume_common(dev, false); } +static int xhci_plat_thaw(struct device *dev) +{ + return xhci_plat_resume_common(dev, false); +} + static int xhci_plat_restore(struct device *dev) { return xhci_plat_resume_common(dev, true); @@ -557,9 +572,9 @@ static int __maybe_unused xhci_plat_runtime_resume(struct device *dev) const struct dev_pm_ops xhci_plat_pm_ops = { .suspend = pm_sleep_ptr(xhci_plat_suspend), .resume = pm_sleep_ptr(xhci_plat_resume), - .freeze = pm_sleep_ptr(xhci_plat_suspend), - .thaw = pm_sleep_ptr(xhci_plat_resume), - .poweroff = pm_sleep_ptr(xhci_plat_suspend), + .freeze = pm_sleep_ptr(xhci_plat_freeze), + .thaw = pm_sleep_ptr(xhci_plat_thaw), + .poweroff = pm_sleep_ptr(xhci_plat_freeze), .restore = pm_sleep_ptr(xhci_plat_restore), SET_RUNTIME_PM_OPS(xhci_plat_runtime_suspend,