From patchwork Mon May 25 18:26:08 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: 11569271 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 91F5D14F6 for ; Mon, 25 May 2020 18:26:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8582D20787 for ; Mon, 25 May 2020 18:26:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389867AbgEYS0k (ORCPT ); Mon, 25 May 2020 14:26:40 -0400 Received: from mail-ed1-f66.google.com ([209.85.208.66]:45603 "EHLO mail-ed1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389535AbgEYS01 (ORCPT ); Mon, 25 May 2020 14:26:27 -0400 Received: by mail-ed1-f66.google.com with SMTP id s19so15690606edt.12; Mon, 25 May 2020 11:26:24 -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=6WamrPQShgiTsDFapEcmGDUQvC5yr09yE8HLsYvPPjk=; b=XQxb+DxHoOZ+c+GE3Accdn0tG1U77du9BRJk0S1niL7Zw1/bmI+igGUL9xpFbZMftY UgMF6BZREB4LxwHDyUQkKKyvqJJJfONDQtj4+Tsw4sQQKb+htO0P+E3id+ocuumkoJUH 0odrF+vB0H/vVm2tweoBH0GVc3mb0wxMwKDDzrRh5eDrgYa4T8RWo+g/u290PJL0NVNT te3SFvExCXyML1Wb+Wiv4mzwj6dVivWH0CYsGExr9/Vwm0cmXmpbKIdNJp5Y/hLt40wi mbbQifDQm212bAcaRZH9jbjWVAsXV+DUKJTiAA5eahsng6G+zlLGrgtujSPrn7UsJ1PI wrAw== X-Gm-Message-State: AOAM530t8X8PqBtw7DmbEdymLbm6v97fl+BAAv3ew9pyqII2aAm0HEL/ dyob+DKgvi4o4qJsGSKuIsU= X-Google-Smtp-Source: ABdhPJwaQ1a3PQrLYUo66G+JvtCe5bgBlAK3z2hUCsbaw6NsBbigY5hyn9hKVKSVUbo33mXU0BIe7w== X-Received: by 2002:aa7:cf12:: with SMTP id a18mr11182818edy.193.1590431183421; Mon, 25 May 2020 11:26:23 -0700 (PDT) Received: from workstation.lan ([95.155.85.46]) by smtp.gmail.com with ESMTPSA id n15sm15555707ejs.10.2020.05.25.11.26.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 May 2020 11:26:22 -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 8/8] net/iucv: Use the new device_to_pm() helper to access struct dev_pm_ops Date: Mon, 25 May 2020 18:26:08 +0000 Message-Id: <20200525182608.1823735-9-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-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@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 --- net/iucv/iucv.c | 30 ++++++++++++++++++------------ 1 file changed, 18 insertions(+), 12 deletions(-) diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index 9a2d023842fe..1a3029ab7c1f 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -1836,23 +1836,23 @@ static void iucv_external_interrupt(struct ext_code ext_code, static int iucv_pm_prepare(struct device *dev) { - int rc = 0; + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); #ifdef CONFIG_PM_DEBUG printk(KERN_INFO "iucv_pm_prepare\n"); #endif - if (dev->driver && dev->driver->pm && dev->driver->pm->prepare) - rc = dev->driver->pm->prepare(dev); - return rc; + return pm && pm->prepare ? pm->prepare(dev) : 0; } static void iucv_pm_complete(struct device *dev) { + const struct dev_pm_ops *pm = driver_to_pm(dev->driver); + #ifdef CONFIG_PM_DEBUG printk(KERN_INFO "iucv_pm_complete\n"); #endif - if (dev->driver && dev->driver->pm && dev->driver->pm->complete) - dev->driver->pm->complete(dev); + if (pm && pm->complete) + pm->complete(dev); } /** @@ -1883,6 +1883,7 @@ static int iucv_path_table_empty(void) static int iucv_pm_freeze(struct device *dev) { int cpu; + const struct dev_pm_ops *pm; struct iucv_irq_list *p, *n; int rc = 0; @@ -1902,8 +1903,9 @@ static int iucv_pm_freeze(struct device *dev) } } iucv_pm_state = IUCV_PM_FREEZING; - if (dev->driver && dev->driver->pm && dev->driver->pm->freeze) - rc = dev->driver->pm->freeze(dev); + pm = driver_to_pm(dev->driver); + if (pm && pm->freeze) + rc = pm->freeze(dev); if (iucv_path_table_empty()) iucv_disable(); return rc; @@ -1919,6 +1921,7 @@ static int iucv_pm_freeze(struct device *dev) */ static int iucv_pm_thaw(struct device *dev) { + const struct dev_pm_ops *pm; int rc = 0; #ifdef CONFIG_PM_DEBUG @@ -1938,8 +1941,9 @@ static int iucv_pm_thaw(struct device *dev) /* enable interrupts on all cpus */ iucv_setmask_mp(); } - if (dev->driver && dev->driver->pm && dev->driver->pm->thaw) - rc = dev->driver->pm->thaw(dev); + pm = driver_to_pm(dev->driver); + if (pm && pm->thaw) + rc = pm->thaw(dev); out: return rc; } @@ -1954,6 +1958,7 @@ static int iucv_pm_thaw(struct device *dev) */ static int iucv_pm_restore(struct device *dev) { + const struct dev_pm_ops *pm; int rc = 0; #ifdef CONFIG_PM_DEBUG @@ -1968,8 +1973,9 @@ static int iucv_pm_restore(struct device *dev) if (rc) goto out; } - if (dev->driver && dev->driver->pm && dev->driver->pm->restore) - rc = dev->driver->pm->restore(dev); + pm = driver_to_pm(dev->driver); + if (pm && pm->restore) + rc = pm->restore(dev); out: return rc; }