From patchwork Mon May 25 18:26:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= X-Patchwork-Id: 11569245 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CEE261392 for ; Mon, 25 May 2020 18:26:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB35720787 for ; Mon, 25 May 2020 18:26:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389787AbgEYS02 (ORCPT ); Mon, 25 May 2020 14:26:28 -0400 Received: from mail-ej1-f67.google.com ([209.85.218.67]:37256 "EHLO mail-ej1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389424AbgEYS0Y (ORCPT ); Mon, 25 May 2020 14:26:24 -0400 Received: by mail-ej1-f67.google.com with SMTP id l21so21340550eji.4; Mon, 25 May 2020 11:26:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zNLfwJcteMTXr7l2k3f76K9ak6QhgvPhJMdyVWXtook=; b=S2upfNGqFWbRgK7c41NmdMByKGk4hqVDyMU9Qa+RACz2GQ1itC1GNbhBGRQ8o/5R/H bzzeu4DxSD5MY+hrMhR3QsAvKPdA65bK8BcLG830DnetEQErjDpA+SgBHr4w23LucSe8 /s0SKw3buAirKCEUjLjXVNA5WV5TlGMliMTpiyTdU2msD6YuaFSYEV61G2CvQLSzKIVP m2Uhemk/HRBhxVwDCCEZ2SB6Z2DeBqp3N9iCcPYN/MI+psXLOxoUZjkKbDXXVWxMYlDe 47UHwFLs+ikmsxh7RfFnTmmIdI08QpkHiXgXD2+B2jPRCu/f0F6UWHCZXaEBij1OSlG1 KLJQ== X-Gm-Message-State: AOAM532EtWLTmnD29SMRf473doTEiqHIDde/WD1ohkL5VNqo2U1Y/Phg +Ye9Fy/SvOwFHEJW0AYWU1I= X-Google-Smtp-Source: ABdhPJxHXwXAwSKGbmYve3v9WBtP/87qC9xOP1l2MkD3w7uNppn5ljU8phz0KQh9kDPYuSYY7QZQjA== X-Received: by 2002:a17:906:e112:: with SMTP id gj18mr10286586ejb.352.1590431180269; Mon, 25 May 2020 11:26:20 -0700 (PDT) Received: from workstation.lan ([95.155.85.46]) by smtp.gmail.com with ESMTPSA id n15sm15555707ejs.10.2020.05.25.11.26.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 May 2020 11:26:19 -0700 (PDT) From: =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= To: Dan Carpenter Cc: "Rafael J. Wysocki" , Len Brown , Kevin Hilman , Ulf Hansson , Pavel Machek , Greg Kroah-Hartman , Johan Hovold , Alex Elder , Bjorn Helgaas , "James E.J. Bottomley" , "Martin K. Petersen" , Felipe Balbi , Julian Wiedmann , Karsten Graul , Ursula Braun , Jakub Kicinski , Bjorn Andersson , John Stultz , "David S. Miller" , greybus-dev@lists.linaro.org, netdev@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH 6/8] PCI/PM: Use the new device_to_pm() helper to access struct dev_pm_ops Date: Mon, 25 May 2020 18:26:06 +0000 Message-Id: <20200525182608.1823735-7-kw@linux.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200525182608.1823735-1-kw@linux.com> References: <20200525182608.1823735-1-kw@linux.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Use the new device_to_pm() helper to access Power Management callbacs (struct dev_pm_ops) for a particular device (struct device_driver). No functional change intended. Signed-off-by: Krzysztof Wilczyński --- drivers/pci/pci-driver.c | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 0454ca0e4e3f..bb52bb6642a0 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -652,7 +652,7 @@ static bool pci_has_legacy_pm_support(struct pci_dev *pci_dev) static int pci_pm_prepare(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); if (pm && pm->prepare) { int error = pm->prepare(dev); @@ -721,7 +721,7 @@ static void pcie_pme_root_status_cleanup(struct pci_dev *pci_dev) static int pci_pm_suspend(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); pci_dev->skip_bus_pm = false; @@ -787,7 +787,7 @@ static int pci_pm_suspend_late(struct device *dev) static int pci_pm_suspend_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); if (dev_pm_smart_suspend_and_suspended(dev)) { dev->power.may_skip_resume = true; @@ -889,7 +889,7 @@ static int pci_pm_suspend_noirq(struct device *dev) static int pci_pm_resume_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); pci_power_t prev_state = pci_dev->current_state; bool skip_bus_pm = pci_dev->skip_bus_pm; @@ -931,7 +931,7 @@ static int pci_pm_resume_noirq(struct device *dev) static int pci_pm_resume(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); /* * This is necessary for the suspend error path in which resume is @@ -976,7 +976,7 @@ struct dev_pm_ops __weak pcibios_pm_ops; static int pci_pm_freeze(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend(dev, PMSG_FREEZE); @@ -1012,7 +1012,7 @@ static int pci_pm_freeze(struct device *dev) static int pci_pm_freeze_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend_late(dev, PMSG_FREEZE); @@ -1040,7 +1040,7 @@ static int pci_pm_freeze_noirq(struct device *dev) static int pci_pm_thaw_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); int error; if (pcibios_pm_ops.thaw_noirq) { @@ -1073,7 +1073,7 @@ static int pci_pm_thaw_noirq(struct device *dev) static int pci_pm_thaw(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); int error = 0; if (pci_has_legacy_pm_support(pci_dev)) @@ -1094,7 +1094,7 @@ static int pci_pm_thaw(struct device *dev) static int pci_pm_poweroff(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend(dev, PMSG_HIBERNATE); @@ -1138,7 +1138,7 @@ static int pci_pm_poweroff_late(struct device *dev) static int pci_pm_poweroff_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); if (dev_pm_smart_suspend_and_suspended(dev)) return 0; @@ -1181,7 +1181,7 @@ static int pci_pm_poweroff_noirq(struct device *dev) static int pci_pm_restore_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); int error; if (pcibios_pm_ops.restore_noirq) { @@ -1205,7 +1205,7 @@ static int pci_pm_restore_noirq(struct device *dev) static int pci_pm_restore(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); /* * This is necessary for the hibernation error path in which restore is @@ -1248,7 +1248,7 @@ static int pci_pm_restore(struct device *dev) static int pci_pm_runtime_suspend(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); pci_power_t prev = pci_dev->current_state; int error; @@ -1303,7 +1303,7 @@ static int pci_pm_runtime_suspend(struct device *dev) static int pci_pm_runtime_resume(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); pci_power_t prev_state = pci_dev->current_state; int error = 0; @@ -1334,7 +1334,7 @@ static int pci_pm_runtime_resume(struct device *dev) static int pci_pm_runtime_idle(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); /* * If pci_dev->driver is not set (unbound), the device should