From nobody Fri Sep 12 04:48:26 2025 Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) (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 B786E32C312 for ; Thu, 11 Sep 2025 14:21:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757600473; cv=none; b=KXUvulypuWTvbA+0t5onQZ7UZmflMhcpwtU1VSFAlbHTf6JvklC21SbLfkFMH9sXQgr5KuTnHZh9rJumoA9qBf8WuV/fTI/wsjDcGH4N4A4vDkR1fWwv3/w0exBtonPF9ou5ziiP5X3v2Gk2W7Tny1E+ojA8dapfQdlwbId+f/U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757600473; c=relaxed/simple; bh=faJE+cTueXsphf9F2YTETRq7iQrxqJIPSY5Wh3BTBzY=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=XDrXXGOmxcVe++gjZXdr/bmomRE1Aw76qsG0khl4NkaagoD7x9jbgQMRVc66dzKK3lcLxjtf5flhAtCUXvTyhT1Y4cQyQRwWhGKMjzXoyE6IlJc+ISKqOo+VYm9bnet2K0IFf362Bbb3CARI1IrHogUS0ij7iB/Er+Iufax2MPc= 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=zup7xF4Q; arc=none smtp.client-ip=209.85.210.201 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="zup7xF4Q" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-77264a9408cso1532685b3a.3 for ; Thu, 11 Sep 2025 07:21:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1757600471; x=1758205271; 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=di9vlGGwM3+bJg1YPMe3g5gvCbV0sk+DG/t3kCN+JkE=; b=zup7xF4QMFeplfJCe42tIwLdzE52Ge0PA/59veXAquSw5GgWEd1w4F3WK69SsyEjwo 9LrROVzpMsF8dqU31smPQNRERvmxkngrAcbF26iZvLL+T17lBLx7p4Cy+6rVlVcsTW/b JUN5XcKKji06mRvVd5Qofqq2t+xLPpsTHyMBkK1ElM6EqXVKCJiGnMcNbu0HJGYji4nF oh7rOJMwH4I554VvZIgAcHjGg9u3J3beQIYRrNrzjozRevz4RGixTDzDKYbiqmsxSGkY C/QDQeqg1tF22a4tIyxxzqQBZThRI3wUPtTfqzwlSvET18IrrRXZlXaiRGC6ma2R3z7u pOlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757600471; x=1758205271; 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=di9vlGGwM3+bJg1YPMe3g5gvCbV0sk+DG/t3kCN+JkE=; b=dFCFjVc473yIEttjmbP0sU6nbcjVulf1hEP8AnDwreeyXKvt7s9vjm5BbyXZxez160 rn4bKlujtNJr4k9uVmorMv+798nlnfFlsKSb125vaWW3KzNJyES5gqDh4bK4ZPr000Vo DjLzrYp8J88pBifYryaVoGfxF48IEDSu6KFqCrvuoeTom609P4D6hV00gLDrjOO7+jeL DEHCaeiexjtV+nylVws9pdDAjraQeNUxJK7O6SudviC5pksOxfiML7kXR6bzwAWJdJTl U1FXWcwRA6j/Rets6HZfIh7hXYQcRLs8+URgUwhfAsOwgY11wX7owCB6Ek3uLSo2uMFt YBpg== X-Forwarded-Encrypted: i=1; AJvYcCXsu/4etlzibUO38Qjx3ZgYXIVIbVNFER48q7KuSYUMqau6nDKjS5TJ8LMTvgPwqLl1wOL6mBfjDVDwOdQ=@vger.kernel.org X-Gm-Message-State: AOJu0YxbxeqMun2mJJv8I14VVHnM4EJqRBrcMHPmR3UqW6fNlHX+Wyhy fZVI/PkIsXOvBFtcQ7hlJ3JQ953HYcjqFCIGXR2Oxmn9+1z93JDLIs5bTMJqa7euA0SqLTtuvRn JN8k1ya2vYhrg98M/JQ== X-Google-Smtp-Source: AGHT+IEDuORbCh7ohTP+tivq97Pf4Ap22u0st5ArBD+NLXFiMsoCRDqV5AuP+Csi9xEgcunezW7ghFIJ8zClIOU= X-Received: from pgew14.prod.google.com ([2002:a63:af0e:0:b0:b4c:5356:a130]) (user=guanyulin job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6300:210b:b0:251:1b8c:5643 with SMTP id adf61e73a8af0-253466eca6amr27762178637.50.1757600470961; Thu, 11 Sep 2025 07:21:10 -0700 (PDT) Date: Thu, 11 Sep 2025 14:20:13 +0000 In-Reply-To: <20250911142051.90822-1-guanyulin@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250911142051.90822-1-guanyulin@google.com> X-Mailer: git-send-email 2.51.0.384.g4c02a37b29-goog Message-ID: <20250911142051.90822-2-guanyulin@google.com> Subject: [PATCH v16 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, amardeep.rai@intel.com, dominique.martinet@atmark-techno.com, quic_wcheng@quicinc.com, sakari.ailus@linux.intel.com, 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 2.51.0.384.g4c02a37b29-goog