From patchwork Tue Apr 8 03:57:21 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: 880575 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 541AA21421A for ; Tue, 8 Apr 2025 03:58:55 +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=1744084737; cv=none; b=jitWJG1bTBCt6skTRpYndj8j9pqIf2gFU9+nZR2d57lkjDkDs/TSDSzNSrKEWt9rDbZavm7GJOQdqMWJcoW8GpDKU4gRuuiYpWuSG8bnle7a4YlB6ZS5Ew7GuvMnkV4uPhC97VAgJLO3BtFy9H3ltuEARD+1+rBtEdhggTx1cI0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744084737; c=relaxed/simple; bh=bc9X/p13qI/cu7A28+rZtnN5F0QHAdqaRJS2ANaTxSo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=Qhi/FvELJc0JjFoTu8qPkOAfxBO56ynf1ZYNgstGf+lfMVGvPvohXS/EUP7PL7s0XhhlzDubty1FYXlBRXbY6AAs8ODyNR0gJ16dp2foRflVKTVTA4CGgiyXcoOdgUdI7dG/OQLCzOGRFcCK/6arCIYQk3NZY++WmY8vFILwqZc= 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=q6Lik4L8; 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="q6Lik4L8" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-7377139d8b1so3692161b3a.0 for ; Mon, 07 Apr 2025 20:58:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1744084735; x=1744689535; 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=wLvCKTSXk2lVXCQdG+iI6ItCMd6CTfWDVCsxzhUvfs0=; b=q6Lik4L8V0jZpkh6kQv/+qZ0HhPSDtcVXA6CWSSm7X5xix+sY4CSHVfqHkJoKFNfTp SIGU/XMRv45K/AgwjTPyzHKaeWc2VxM2ul+Udj/CE+UhQoPME5jFTATrGHkBllOBCiO2 GY06Y6zdCxHUmTTv7jv2D5wj9HLSXJYj0MJiLeyqpGgtqpf5Gj4oTgB3qIiJxY/R8aPu gBtrj1JkCd7E2xxEjnr+qb9zdQYSY/StM7mWd77xInbkz/Wwz4jlhPAOTu0HU0tRZcgS ZxrGInxhuYVieJ76x//vOUTtCFnNCXnsgdapn2XxFJhGxDT4fcc8RrmJik5rn50lngVc Simg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744084735; x=1744689535; 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=wLvCKTSXk2lVXCQdG+iI6ItCMd6CTfWDVCsxzhUvfs0=; b=DhSN3ViHyF4DD0wdfVM7enW1FakH2fTRHlolMdxNVKA1sKvKHdTdvH5plgJydBI1Sw sNrUqHl8jMMqYy9Kb6Z5j5apFgccMkxSvGU21ICGdtlh9DV50o3hBD5hl0/l0g9jo7YW 9pqHt6+r4i0B6v1/qEfMY/kjvI/o+FbCxJAhHiw8xje/+W8Hw4KIqlKjjwPF0/s6Ce7A BGa/lJyeYWFg+zWbReX1tp9ER0lrUg+T3WiveuPyFJrXdTFmIaiMIZu1/f5OePVbiu/8 tmijrGgOLTR7lXmbSazwKYVqkUGK30ljL6zVnvB6drugX7NpySmFrs85MxDm0HlSgPlF 32lA== X-Gm-Message-State: AOJu0Yz8wahAaRib4NeyEFzVR0PHKimWGC3NAWpSYZ6l7TQH3t6reeJF cXvu98TKmCwA34zTspv98AZ9EyLjHSO5sIslI5iX1C/Efk7wMS6o/WnGunSva+ayW0JzFyXqEfr ls6HTL+qyOs31vw== X-Google-Smtp-Source: AGHT+IHtjkaCNKIXog8qjPTh5DJlz+7q6dPhwrkdBsvaX6WQmzp25JZs3q6u6Lj7sZiM+2iVmIdtFNadooCrMJw= X-Received: from pgaa38.prod.google.com ([2002:a63:1a26:0:b0:af2:3c1d:c04a]) (user=guanyulin job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:c887:b0:1f5:57d0:7014 with SMTP id adf61e73a8af0-2010801c97fmr20370794637.25.1744084735440; Mon, 07 Apr 2025 20:58:55 -0700 (PDT) Date: Tue, 8 Apr 2025 03:57:21 +0000 In-Reply-To: <20250408035833.844821-1-guanyulin@google.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250408035833.844821-1-guanyulin@google.com> X-Mailer: git-send-email 2.49.0.504.g3bcea36a83-goog Message-ID: <20250408035833.844821-2-guanyulin@google.com> Subject: [PATCH v11 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, gargaditya08@live.com, kekrby@gmail.com, jeff.johnson@oss.qualcomm.com, elder@kernel.org, quic_zijuhu@quicinc.com, ben@decadent.org.uk 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,