From nobody Sun Oct 5 18:17:27 2025 Received: from mail-pf1-f202.google.com (mail-pf1-f202.google.com [209.85.210.202]) (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 B0DB518C91F for ; Fri, 1 Aug 2025 03:40:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754019639; cv=none; b=DfzmrsITejc2lNl6UD3/mx177ZVH3Kar8opV01GEQ1NQz2xlTrvdMyHaEDwMA0fmS15g/aKqQCoAVQ76pWySOWKfXZeFQI/b7ajLQyr6BanuIACMZ+57W0GKjTR0CmTWcF0Q+7iL5ECFJUbdoiKYBPeez9OjmcLA67YrAc8f/cU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754019639; c=relaxed/simple; bh=qw/l+oOIaR35sp4DSrzqYgEX/oL/BUhtqCC1TeZTTIw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=j7umTmXtXd+YqV25+WzZJ3WU0IeziVUzDpN13/QKf5+U0l8atRnmbyz/MBzWLjO5Rnqk9YIe1uT/xsnjxnj98qOIasgJpRFqVrnGztncOkpd63y1+EwtA3wvV4Gd4M4f7xx6Q4A7EEp/nvo6KjsKW3NP0I57kaZ8sUwDDVsy/f0= 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=hYTY44ZO; arc=none smtp.client-ip=209.85.210.202 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="hYTY44ZO" Received: by mail-pf1-f202.google.com with SMTP id d2e1a72fcca58-75ab147e0f7so1743292b3a.2 for ; Thu, 31 Jul 2025 20:40:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1754019636; x=1754624436; 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=/wA8zWj3IHi5EGjxZe0hAzAqxv/u+HvHJFN6V2LV+9w=; b=hYTY44ZOOb16MU8qleS0Lo/G/8Us5GtWBy0FfIn0yeFp5GWgZmdY6m11/yxZxzNObv UxJvU+5+Kb9fID4Maci+/Etfs6BMzOMAQNMBj7vVYx4jxo+l/TM53tqA1USfPwQ3Pnmr ZMa2sF/LELZ/pA5EmbYRLkMDvhVkl40Fd8jA5pEZkb9uaxuhK8SPp3QmxX9x15ntj2SH OWbMhB6JuajSTHG4jADcbw1XMOTxZ7sgxEhZAh1gdeOoT3xI1ebSZe8zwbsuOri79Q98 pcGGHZfSVA0cm5gqZad996DcMNKn+r5aK1fskOGNRU903Px4v1b1rXg6Gpr7xrqjdv1A Y/jA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754019636; x=1754624436; 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=/wA8zWj3IHi5EGjxZe0hAzAqxv/u+HvHJFN6V2LV+9w=; b=I+ZUXnmm/EKOQ9QlhwppXgGA7Au0v+xfVkJJogk7HEuI6hRKmihD0LOkbQTcIUwtDW oTf6aNOgvpKDsV9MusBnIFYlwySXTY/XEyFYRExuSzhKiA9bYMR4wZAZ+XuTBU4qDVMA OpNpr3FSroJAHwACz19gRVIY7SW/9GxOko37U2QDErYYcgUl0irifxLZaNChakxZwe0w +x/Jkz5sPJadADiXAgPp3iNbyGv+bv6pt+vqzyPgFyPQBlUJt50nU25x+7aTSLOGTY4E +SBw7F13PmgVY4XA2kRsxTEv96KR5qdjV7XfIAv+PWM0bXDH9Kb56Y5yXpDjgIHoLjqc kaeA== X-Forwarded-Encrypted: i=1; AJvYcCUatUiy9SArUpX+A8dGVaB2Qt3++fyhvebmq9lJQhGVwCkd4i3ZA0dbQj8Dzb9BDwN1CNsvz+s2KicjSMk=@vger.kernel.org X-Gm-Message-State: AOJu0YyFidawIXmG+B/sPCwNr4Pui5CJSj8rnCFk2mex+9EJlr6jgF4w Y4NfsuJcLKUaH7PG46/2MDfnUMCfd6o251mpRkURm7/s99vYk8ySYhAYhWlSa2YgmbZhdYmMXjG 87vnzEFxJi8QwKaBx2g== X-Google-Smtp-Source: AGHT+IE7ZYE2G78VMvgr7QyQY3UGFoBv6nWkO+JYjwWdIf2eRZA8qO2YgC01bcZhcgqpeVje8R/Z5rh7HqE6ikg= X-Received: from pfjw10.prod.google.com ([2002:aa7:9a0a:0:b0:748:fb38:1909]) (user=guanyulin job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:114a:b0:759:5208:59e with SMTP id d2e1a72fcca58-76ab0f21102mr14128350b3a.7.1754019635948; Thu, 31 Jul 2025 20:40:35 -0700 (PDT) Date: Fri, 1 Aug 2025 03:39:30 +0000 In-Reply-To: <20250801034004.3314737-1-guanyulin@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250801034004.3314737-1-guanyulin@google.com> X-Mailer: git-send-email 2.50.1.565.gc32cd1483b-goog Message-ID: <20250801034004.3314737-2-guanyulin@google.com> Subject: [PATCH v15 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, hannelotta@gmail.com, zijun.hu@oss.qualcomm.com, xu.yang_2@nxp.com, stern@rowland.harvard.edu, andriy.shevchenko@linux.intel.com, ben@decadent.org.uk, quic_wcheng@quicinc.com, krzysztof.kozlowski@linaro.org, dh10.jung@samsung.com Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Guan-Yu Lin Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 5eb51797de32..df2e942ad5f7 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -454,7 +454,7 @@ void xhci_plat_remove(struct platform_device *dev) } EXPORT_SYMBOL_GPL(xhci_plat_remove); =20 -static int xhci_plat_suspend(struct device *dev) +static int xhci_plat_suspend_common(struct device *dev) { struct usb_hcd *hcd =3D dev_get_drvdata(dev); struct xhci_hcd *xhci =3D hcd_to_xhci(hcd); @@ -482,6 +482,16 @@ static int xhci_plat_suspend(struct device *dev) return 0; } =20 +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 =3D dev_get_drvdata(dev); @@ -529,6 +539,11 @@ static int xhci_plat_resume(struct device *dev) return xhci_plat_resume_common(dev, false); } =20 +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); @@ -558,9 +573,9 @@ static int __maybe_unused xhci_plat_runtime_resume(stru= ct device *dev) const struct dev_pm_ops xhci_plat_pm_ops =3D { .suspend =3D pm_sleep_ptr(xhci_plat_suspend), .resume =3D pm_sleep_ptr(xhci_plat_resume), - .freeze =3D pm_sleep_ptr(xhci_plat_suspend), - .thaw =3D pm_sleep_ptr(xhci_plat_resume), - .poweroff =3D pm_sleep_ptr(xhci_plat_suspend), + .freeze =3D pm_sleep_ptr(xhci_plat_freeze), + .thaw =3D pm_sleep_ptr(xhci_plat_thaw), + .poweroff =3D pm_sleep_ptr(xhci_plat_freeze), .restore =3D pm_sleep_ptr(xhci_plat_restore), =20 SET_RUNTIME_PM_OPS(xhci_plat_runtime_suspend, --=20 2.50.1.565.gc32cd1483b-goog