Re: linux-next: Tree for January 18 (pci + pm)

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On Wed, 20 Jan 2010 00:04:07 +0100
"Rafael J. Wysocki" <rjw@xxxxxxx> 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
> 
> ---
> From: Rafael J. Wysocki <rjw@xxxxxxx>
> 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@xxxxxxx>
> Reported-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
> ---
>  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)
> 

Pushed this one into linux-next, thanks.

Jesse
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