From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 From: =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= 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> In-Reply-To: <20200525182608.1823735-1-kw@linux.com> References: <20200525182608.1823735-1-kw@linux.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Sender: linux-s390-owner@vger.kernel.org List-ID: 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 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; } -- 2.26.2