From nobody Mon Feb 9 11:11:24 2026 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 CDB5E27CB31 for ; Wed, 4 Jun 2025 08:25:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749025519; cv=none; b=bm2U24BZzS4tP2CtbVL+cKcVBMJGzJ7gAfVKmZCtACnnSqgmpqxmZ7O+YhY0CijRXPxFrAgVH8ZrVP5jph4cKQSq8kaw8Py4rZk1AWVnflGvdrYao0QL8T8iIG0aqflsqkZ/gTdmHg3xHLy+Vz0dxXn84/DSmowXLLzCNnY1bx0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749025519; c=relaxed/simple; bh=lzCHfDuCjDrpXiwNQJbgcvSMvP+ebiegCrnWjJNf42Q=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=OdIbdXzPaMbDGoVC5Uz+eumKUHjDrd0A1Nc2sI8GrbE1kVSYzvo+v2loPjNIVaYQO2lWCBvyudEuwlYIy3ZzSDymFqMQcF4Njky+58Mr2qbm9il2GQtO57oGSlSyg4qV1/4d85e38njdlkmYPTYMEleVt94dfKNhT2/yTypLzC8= 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=t22toakM; arc=none smtp.client-ip=209.85.214.202 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="t22toakM" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-2358ddcb1e3so51137095ad.3 for ; Wed, 04 Jun 2025 01:25:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1749025516; x=1749630316; 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=Co0ps7MHbpn7rkQnx+NzuLB263Q8VMNfFSEgEbirchY=; b=t22toakMy4g8wX+unEj2jk6cRZEGTTa4ICKc7Wlu6sVC6ZkJGR9J9wcC4+Nq9T3WE5 4B4Kcp91unH95SxbB0vHRhmwWjieKT/bFc+dpBgLwUQP5lMq1VRhcYoOiupHkjfyWzlt rg1jn77TM8QIxtiNq0JLkcIdvWPBsgAYrAJ351t4sP8Flfusd2/BSO4MdPdjEFj7ILsw dNw4zKFYVy1h03fMSWVAi9rP1sUP+tFndGJENDtjJVD7afU2za8jeW+YtpyfdMZ+d/ij Q1hBIEBMo0tk75lIKjVD0RwZFoIFXJAJSJ6wB7iJlSbeDifHJOEpOokAtZME0Lzxm7Vo +B1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749025516; x=1749630316; 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=Co0ps7MHbpn7rkQnx+NzuLB263Q8VMNfFSEgEbirchY=; b=H/bGZtzxHKmVOpliLCom9PXFzSh2wneM1pgm/g7ldOIXAts3Hn75eZ+amjPpklnW6P Eu8zaYgBlmKY8QwXPz8L6oYXFfm5l/HFIC5KW0ux9My8gc6NYMQHsOB3HzWF1/J3DRmi qiSIBfe4Nbi3YptxWk32M2ZjsDAw/0bFfFZoy3hOxjnNakYzNv3fp0Pjxwf0jajWEAo6 4VC9PanhwWW69djUA/BgpYUN3HnlXkCP9oWjijPHRI/pkfnIwHySvvocE7M0DV0uMPiz H8UC85Q/n+BFWTgIs21kGzbqus78z8EYTLKCBmZRA3RYzEYYfGP19FI3n4cgi62Z2dgh DFQw== X-Forwarded-Encrypted: i=1; AJvYcCUD4ujHWfxaPN/i7KouQxj1R+7KllaT42CA69X5dDfoPdiTGM8Qra3WlrWWkxt04Tbx9khp/klForCCbNY=@vger.kernel.org X-Gm-Message-State: AOJu0YzpdiNDu1SjPnEbX4iJfPeJQiqowWkQPbvLc9bxboBtxhJkBbJA 285LiOIDIoobr7/DFcQe3520x3YWkyiX41/mYu/D8GcJVsD5VGpp6rWbiGLKIKVQeUq7ad9YbUR YJvCXsTIx6dXqzwFAVg== X-Google-Smtp-Source: AGHT+IHF+WdkmlHfIoDpmKOjojy+Vo27TfduueaHwdLb3sRf0zC8mqwDEEIa4Dg0gLrSbdKSr8+6UZJYgZWFrrc= X-Received: from plje10.prod.google.com ([2002:a17:902:ed8a:b0:235:e89a:e839]) (user=guanyulin job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:240f:b0:234:d778:13fa with SMTP id d9443c01a7336-235e11ebd60mr27791485ad.26.1749025516040; Wed, 04 Jun 2025 01:25:16 -0700 (PDT) Date: Wed, 4 Jun 2025 08:23:07 +0000 In-Reply-To: <20250604082449.2029156-1-guanyulin@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250604082449.2029156-1-guanyulin@google.com> X-Mailer: git-send-email 2.49.0.1204.g71687c7c1d-goog Message-ID: <20250604082449.2029156-2-guanyulin@google.com> Subject: [PATCH v14 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, sumit.garg@kernel.org 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 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); =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); @@ -481,6 +481,16 @@ 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); @@ -528,6 +538,11 @@ 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); @@ -557,9 +572,9 @@ 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 2.49.0.1204.g71687c7c1d-goog