Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752683AbaLIVEx (ORCPT ); Tue, 9 Dec 2014 16:04:53 -0500 Received: from v094114.home.net.pl ([79.96.170.134]:52285 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752130AbaLIVEv (ORCPT ); Tue, 9 Dec 2014 16:04:51 -0500 From: "Rafael J. Wysocki" To: Aaron Lu Cc: linux-scsi@vger.kernel.org, Alan Stern , Linux Kernel Mailing List , Linux PM list , "James E.J. Bottomley" , Vinayak Holikatti Subject: Re: [PATCH] SCSI / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM Date: Tue, 09 Dec 2014 22:26:24 +0100 Message-ID: <2376741.OhfndhC6F0@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/3.16.0-rc5+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <5486948D.1060807@intel.com> References: <3237237.IIIiULdqDt@vostro.rjw.lan> <5486948D.1060807@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday, December 09, 2014 02:19:57 PM Aaron Lu wrote: > On 12/04/2014 09:22 AM, Rafael J. Wysocki wrote: > > From: Rafael J. Wysocki > > > > After commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is > > selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks > > depending on CONFIG_PM_RUNTIME may now be changed to depend on > > CONFIG_PM. > > > > Replace CONFIG_PM_RUNTIME with CONFIG_PM everywhere under > > drivers/scsi/ and in include/scsi/scsi_device.h. > > > > Signed-off-by: Rafael J. Wysocki > > --- > > > > Note: This depends on commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if > > PM_SLEEP is selected) which is only in linux-next at the moment (via the > > linux-pm tree). > > > > Please let me know if it is OK to take this one into linux-pm. > > > > --- > > drivers/scsi/scsi_pm.c | 4 ++-- > > drivers/scsi/scsi_priv.h | 5 ++--- > > drivers/scsi/ufs/ufshcd-pci.c | 11 ++++------- > > drivers/scsi/ufs/ufshcd-pltfrm.c | 11 ++++------- > > include/scsi/scsi_device.h | 4 ++-- > > 5 files changed, 14 insertions(+), 21 deletions(-) > > > > Index: linux-pm/drivers/scsi/scsi_pm.c > > =================================================================== > > --- linux-pm.orig/drivers/scsi/scsi_pm.c > > +++ linux-pm/drivers/scsi/scsi_pm.c > > @@ -213,7 +213,7 @@ static int scsi_bus_restore(struct devic > > > > #endif /* CONFIG_PM_SLEEP */ > > > > -#ifdef CONFIG_PM_RUNTIME > > +#ifdef CONFIG_PM > > > > static int sdev_runtime_suspend(struct device *dev) > > { > > @@ -338,7 +338,7 @@ void scsi_autopm_put_host(struct Scsi_Ho > > #define scsi_runtime_resume NULL > > #define scsi_runtime_idle NULL > > > > -#endif /* CONFIG_PM_RUNTIME */ > > +#endif /* CONFIG_PM */ > > > > const struct dev_pm_ops scsi_bus_pm_ops = { > > .prepare = scsi_bus_prepare, > > Just one nitpeak: since scsi_pm.o is only compiled when CONFIG_PM is > set, I think we can skip the #ifdef CONFIG_PM ... #endif macro in this > file now. I mean something like this: Ah, right, I overlooked that, thanks! I've folded the below into the SCSI patch. > diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c > index 7454498..9e43ae1 100644 > --- a/drivers/scsi/scsi_pm.c > +++ b/drivers/scsi/scsi_pm.c > @@ -213,8 +213,6 @@ static int scsi_bus_restore(struct device *dev) > > #endif /* CONFIG_PM_SLEEP */ > > -#ifdef CONFIG_PM_RUNTIME > - > static int sdev_runtime_suspend(struct device *dev) > { > const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; > @@ -332,14 +330,6 @@ void scsi_autopm_put_host(struct Scsi_Host *shost) > pm_runtime_put_sync(&shost->shost_gendev); > } > > -#else > - > -#define scsi_runtime_suspend NULL > -#define scsi_runtime_resume NULL > -#define scsi_runtime_idle NULL > - > -#endif /* CONFIG_PM_RUNTIME */ > - > const struct dev_pm_ops scsi_bus_pm_ops = { > .prepare = scsi_bus_prepare, > .suspend = scsi_bus_suspend, > > Thanks, > Aaron > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/