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From: Randy Dunlap on 28 Jan 2010 11:40
On Wed, 20 Jan 2010 00:04:07 +0100 Rafael J. Wysocki wrote:

> On Tuesday 19 January 2010, Randy Dunlap wrote:
> > On Mon, 18 Jan 2010 19:57:43 +1100 Stephen Rothwell wrote:
> >
> > > Hi all,
> > >
> > > Changes since 20100114:
> >
> >
> > drivers/pci/pci-driver.c: In function 'pci_pm_runtime_resume':
> > drivers/pci/pci-driver.c:991: error: implicit declaration of function 'pci_pm_default_resume_early'
> > drivers/pci/pci-driver.c: At top level:
> > drivers/pci/pci-driver.c:1027: error: 'pci_pm_prepare' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1028: error: 'pci_pm_complete' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1029: error: 'pci_pm_suspend' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1030: error: 'pci_pm_resume' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1031: error: 'pci_pm_freeze' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1032: error: 'pci_pm_thaw' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1033: error: 'pci_pm_poweroff' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1034: error: 'pci_pm_restore' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1035: error: 'pci_pm_suspend_noirq' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1036: error: 'pci_pm_resume_noirq' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1037: error: 'pci_pm_freeze_noirq' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1038: error: 'pci_pm_thaw_noirq' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1039: error: 'pci_pm_poweroff_noirq' undeclared here (not in a function)
> > drivers/pci/pci-driver.c:1040: error: 'pci_pm_restore_noirq' undeclared here (not in a function)
> >
> >
> > partial config:
> >
> > CONFIG_PM=y
> > # CONFIG_PM_DEBUG is not set
> > # CONFIG_SUSPEND is not set
> > # CONFIG_HIBERNATION is not set
> > CONFIG_PM_RUNTIME=y
> > CONFIG_PM_OPS=y
> >
> >
> > Full config is attached.
>
> Ah, too many ifdefs.
>
> Thanks, the patch below fixes that for me.
>
> Rafael

Rafael, Jesse:

We still need this patch in linux-next (20100128).
Thanks.


> ---
> From: Rafael J. Wysocki <rjw(a)sisk.pl>
> Subject: PCI / PM: Fix compilation for set CONFIG_PM_RUNTIME and CONFIG_PM_SLEEP unset
>
> Fix failure to compile drivers/pci/pci-driver.c for CONFIG_PM_RUNTIME
> set and CONFIG_PM_SLEEP is unset, introduced by the PCI run-time
> power management patches.
>
> Signed-off-by: Rafael J. Wysocki <rjw(a)sisk.pl>
> Reported-by: Randy Dunlap <randy.dunlap(a)oracle.com>
> ---
> drivers/pci/pci-driver.c | 61 +++++++++++++++++++++++++++--------------------
> 1 file changed, 36 insertions(+), 25 deletions(-)
>
> Index: linux-2.6/drivers/pci/pci-driver.c
> ===================================================================
> --- linux-2.6.orig/drivers/pci/pci-driver.c
> +++ linux-2.6/drivers/pci/pci-driver.c
> @@ -405,6 +405,35 @@ static void pci_device_shutdown(struct d
> pci_msix_shutdown(pci_dev);
> }
>
> +#ifdef CONFIG_PM_OPS
> +
> +/* Auxiliary functions used for system resume and run-time resume. */
> +
> +/**
> + * pci_restore_standard_config - restore standard config registers of PCI device
> + * @pci_dev: PCI device to handle
> + */
> +static int pci_restore_standard_config(struct pci_dev *pci_dev)
> +{
> + pci_update_current_state(pci_dev, PCI_UNKNOWN);
> +
> + if (pci_dev->current_state != PCI_D0) {
> + int error = pci_set_power_state(pci_dev, PCI_D0);
> + if (error)
> + return error;
> + }
> +
> + return pci_restore_state(pci_dev);
> +}
> +
> +static void pci_pm_default_resume_early(struct pci_dev *pci_dev)
> +{
> + pci_restore_standard_config(pci_dev);
> + pci_fixup_device(pci_fixup_resume_early, pci_dev);
> +}
> +
> +#endif
> +
> #ifdef CONFIG_PM_SLEEP
>
> /*
> @@ -521,29 +550,6 @@ static int pci_legacy_resume(struct devi
>
> /* Auxiliary functions used by the new power management framework */
>
> -/**
> - * pci_restore_standard_config - restore standard config registers of PCI device
> - * @pci_dev: PCI device to handle
> - */
> -static int pci_restore_standard_config(struct pci_dev *pci_dev)
> -{
> - pci_update_current_state(pci_dev, PCI_UNKNOWN);
> -
> - if (pci_dev->current_state != PCI_D0) {
> - int error = pci_set_power_state(pci_dev, PCI_D0);
> - if (error)
> - return error;
> - }
> -
> - return pci_restore_state(pci_dev);
> -}
> -
> -static void pci_pm_default_resume_early(struct pci_dev *pci_dev)
> -{
> - pci_restore_standard_config(pci_dev);
> - pci_fixup_device(pci_fixup_resume_early, pci_dev);
> -}
> -
> static void pci_pm_default_resume(struct pci_dev *pci_dev)
> {
> pci_fixup_device(pci_fixup_resume, pci_dev);
> @@ -607,6 +613,13 @@ static void pci_pm_complete(struct devic
> drv->pm->complete(dev);
> }
>
> +#else /* !CONFIG_PM_SLEEP */
> +
> +#define pci_pm_prepare NULL
> +#define pci_pm_complete NULL
> +
> +#endif /* !CONFIG_PM_SLEEP */
> +
> #ifdef CONFIG_SUSPEND
>
> static int pci_pm_suspend(struct device *dev)
> @@ -943,8 +956,6 @@ static int pci_pm_restore(struct device
>
> #endif /* !CONFIG_HIBERNATION */
>
> -#endif /* !CONFIG_PM_SLEEP */
> -
> #ifdef CONFIG_PM_RUNTIME
>
> static int pci_pm_runtime_suspend(struct device *dev)


---
~Randy
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From: Jesse Barnes on 28 Jan 2010 14:10
On Thu, 28 Jan 2010 08:33:22 -0800
Randy Dunlap <randy.dunlap(a)oracle.com> wrote:

> On Wed, 20 Jan 2010 00:04:07 +0100 Rafael J. Wysocki wrote:
>
> > On Tuesday 19 January 2010, Randy Dunlap wrote:
> > > On Mon, 18 Jan 2010 19:57:43 +1100 Stephen Rothwell wrote:
> > >
> > > > Hi all,
> > > >
> > > > Changes since 20100114:
> > >
> > >
> > > drivers/pci/pci-driver.c: In function 'pci_pm_runtime_resume':
> > > drivers/pci/pci-driver.c:991: error: implicit declaration of
> > > function 'pci_pm_default_resume_early' drivers/pci/pci-driver.c:
> > > At top level: drivers/pci/pci-driver.c:1027: error:
> > > 'pci_pm_prepare' undeclared here (not in a function)
> > > drivers/pci/pci-driver.c:1028: error: 'pci_pm_complete'
> > > undeclared here (not in a function)
> > > drivers/pci/pci-driver.c:1029: error: 'pci_pm_suspend' undeclared
> > > here (not in a function) drivers/pci/pci-driver.c:1030: error:
> > > 'pci_pm_resume' undeclared here (not in a function)
> > > drivers/pci/pci-driver.c:1031: error: 'pci_pm_freeze' undeclared
> > > here (not in a function) drivers/pci/pci-driver.c:1032: error:
> > > 'pci_pm_thaw' undeclared here (not in a function)
> > > drivers/pci/pci-driver.c:1033: error: 'pci_pm_poweroff'
> > > undeclared here (not in a function)
> > > drivers/pci/pci-driver.c:1034: error: 'pci_pm_restore' undeclared
> > > here (not in a function) drivers/pci/pci-driver.c:1035: error:
> > > 'pci_pm_suspend_noirq' undeclared here (not in a function)
> > > drivers/pci/pci-driver.c:1036: error: 'pci_pm_resume_noirq'
> > > undeclared here (not in a function)
> > > drivers/pci/pci-driver.c:1037: error: 'pci_pm_freeze_noirq'
> > > undeclared here (not in a function)
> > > drivers/pci/pci-driver.c:1038: error: 'pci_pm_thaw_noirq'
> > > undeclared here (not in a function)
> > > drivers/pci/pci-driver.c:1039: error: 'pci_pm_poweroff_noirq'
> > > undeclared here (not in a function)
> > > drivers/pci/pci-driver.c:1040: error: 'pci_pm_restore_noirq'
> > > undeclared here (not in a function)
> > >
> > >
> > > partial config:
> > >
> > > CONFIG_PM=y
> > > # CONFIG_PM_DEBUG is not set
> > > # CONFIG_SUSPEND is not set
> > > # CONFIG_HIBERNATION is not set
> > > CONFIG_PM_RUNTIME=y
> > > CONFIG_PM_OPS=y
> > >
> > >
> > > Full config is attached.
> >
> > Ah, too many ifdefs.
> >
> > Thanks, the patch below fixes that for me.
> >
> > Rafael
>
> Rafael, Jesse:
>
> We still need this patch in linux-next (20100128).
> Thanks.
>

Arg, I must have dropped this one too... will apply again and push.

--
Jesse Barnes, Intel Open Source Technology Center
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