From nobody Fri Sep 12 02:28:50 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 091E61E1DF2 for ; Wed, 16 Apr 2025 14:49:44 +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=1744814986; cv=none; b=Zfx3/yH/QwsIc7yhlw9UpdxzeEHwUo31ZAJ/ue5a0yvSBtkrw/PMeY29D9SX+XI9d2EVf6gjiUogNY7thmmhes0yEb5/N98jpDjEQEv5hErMUOy2S70VaAXqbJsbsyvyRiafKzwvKsVuHoJDqWXcs6pkZl5D6mvpfkt0fl8q9x4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744814986; c=relaxed/simple; bh=RmGXQWPOg0XHqbMDxkz8sqI1j76AnzNSSdYGP4N3py0=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=NlqpRjgza8z5F1c7uTM82aLpZz3VAhm/eOu3vjB1mhOXXVfiu5iWejeXn/R95oAgDB06PizeIBT6pzh/qEhXuyEOiOSDR24mAF6vNM3u1U+qTpLkmjfvK8osugu6uUCDFRI3vLAhuapDsSGlOLqd3Mqn5SMuLe9VKfPazP5CMwE= 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=05N7C1IQ; 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="05N7C1IQ" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-736d30d2570so6078153b3a.1 for ; Wed, 16 Apr 2025 07:49:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1744814984; x=1745419784; 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=z4QsznB5oM+PFUpeHGZHhA5kq133G5m+shQoot4idWM=; b=05N7C1IQkolKD8jCAGUtZLBEnVR4fUb+kMLhP1N/XeU1pDwZqvbT3V0e6Cix8PpGgI Ub9GPunm9ZAHmBAgWzZRQnIOTfnovu/SvO45g5UQJQQE/QAxSi9j6x9jRPQ7aVLEbGtv UkglsdcVY2HxOsPK6yQfaH349+nMFABox9HoGtYEbe8TDaIZvNsga7TzDTrwLtqsr5wi bNSnxSyKVRj9nUt4k3KvWdiJWa7TbwaKRlpsgWvJZda+HRassRHNJPV5gn24W8cHotqw GUTtxJ+zRmcmcvQT9BZf0sGJeLzY+8uRRlhvsAbLjPhpPZCsJ56bdV0XoZ+b0Acfjky3 iIog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744814984; x=1745419784; 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=z4QsznB5oM+PFUpeHGZHhA5kq133G5m+shQoot4idWM=; b=XBRuSz/L65L/TS9wLNowy0Gze83pRoo3c7lKg1eIucDMONxTVVson9tlVxcdA1twDq 278uL2NFaV2uTf+mHM/Sue7af3M1m/B6wuQz5+JjAQ8HJKI0WmLLZQUk6ZlbqXuiNuRl unqawlF5M9MVgbG6Ti8U8T5SCSxZD84uWi3ZDD/9yVLLAL0LOFYojmUWd3lN94qQCfvE ne2hBUcErx/iuIW7ZOpwQkZ57F/rWBVj1bS06nEqic5t08XZkiHJT0tsIxxZXSEb8KG9 jSNCHg7yJ+MV7mucmD0Hm8SxAlpTLotJUcvH4etaq0Em/jHWVxwKN06mpomAvVSu+wvc XMqw== X-Forwarded-Encrypted: i=1; AJvYcCWbjHr3YD77Da9OeCdOmkmdkdg+E8m9f8EsHoY0rs84qq9y/t86CWdS7Lr7SRDTeLvtTCkzowMDS/b5U2w=@vger.kernel.org X-Gm-Message-State: AOJu0YwD00R/WoYNXFhSll8vhPhaLUgwMUf6LM8p1PJIjjcCdbfbMAhC DcRAJ9L6MUvbIoe95MbrDhc/alf7EEtrOd9+z8B/tEX2Aw08PuV+7jtfC+pqUvCALa7Hf+6VmnZ xU3EfkMrYvXvRuw== X-Google-Smtp-Source: AGHT+IGjRPun4sEvM5OJ4M+Aysj70s9KHd7i9GdPhgft76VLdq628NC5EbLSluIzNS/rZGqQ/GdQ8mrvox1selc= X-Received: from pghl16.prod.google.com ([2002:a63:f310:0:b0:af2:681:e27a]) (user=guanyulin job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:6d8c:b0:1fe:6bbf:af22 with SMTP id adf61e73a8af0-203b3e6aff2mr3084464637.1.1744814984013; Wed, 16 Apr 2025 07:49:44 -0700 (PDT) Date: Wed, 16 Apr 2025 14:43:01 +0000 In-Reply-To: <20250416144917.16822-1-guanyulin@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250416144917.16822-1-guanyulin@google.com> X-Mailer: git-send-email 2.49.0.604.gff1f9ca942-goog Message-ID: <20250416144917.16822-2-guanyulin@google.com> Subject: [PATCH v12 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, stern@rowland.harvard.edu, sumit.garg@kernel.org, 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 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 2.49.0.604.gff1f9ca942-goog