linux-kernel - Re: [PATCH 07/07] pm: remove platform device suspend_late()/resume

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Date:	Wed, 24 Jun 2009 18:02:27 +0200
From:	Pavel Machek <pavel@....cz>
To:	Magnus Damm <magnus.damm@...il.com>
Cc:	linux-kernel@...r.kernel.org, gregkh@...e.de, ben-linux@...ff.org,
	hskinnemoen@...el.com, anemo@....ocn.ne.jp,
	linux-usb@...r.kernel.org, rjw@...k.pl, stern@...land.harvard.edu,
	linux-pm@...ts.linux-foundation.org, akpm@...ux-foundation.org,
	linux-omap@...r.kernel.org, felipe.balbi@...ia.com
Subject: Re: [PATCH 07/07] pm: remove platform device
	suspend_late()/resume_early() V2

On Wed 2009-06-24 18:24:09, Magnus Damm wrote:
> From: Magnus Damm <damm@...l.co.jp>
> 
> This is V2 of the platform driver power management late/early
> callback removal patch. The callbacks ->suspend_late() and
> ->resume_early() are removed since all in-tree users now have
> been migrated to dev_pm_ops.
> 
> Signed-off-by: Magnus Damm <damm@...l.co.jp>

Looks ok to me. ACK.

> ---
> 
>  Untested but compiles fine.
> 
>  Changes since V1:
>  - none, just rediff to fit upstream changes
> 
>  drivers/base/platform.c         |   36 ------------------------------------
>  include/linux/platform_device.h |    2 --
>  2 files changed, 38 deletions(-)
> 
> --- 0001/drivers/base/platform.c
> +++ work/drivers/base/platform.c	2009-06-24 17:27:33.000000000 +0900
> @@ -628,30 +628,6 @@ static int platform_legacy_suspend(struc
>  	return ret;
>  }
>  
> -static int platform_legacy_suspend_late(struct device *dev, pm_message_t mesg)
> -{
> -	struct platform_driver *pdrv = to_platform_driver(dev->driver);
> -	struct platform_device *pdev = to_platform_device(dev);
> -	int ret = 0;
> -
> -	if (dev->driver && pdrv->suspend_late)
> -		ret = pdrv->suspend_late(pdev, mesg);
> -
> -	return ret;
> -}
> -
> -static int platform_legacy_resume_early(struct device *dev)
> -{
> -	struct platform_driver *pdrv = to_platform_driver(dev->driver);
> -	struct platform_device *pdev = to_platform_device(dev);
> -	int ret = 0;
> -
> -	if (dev->driver && pdrv->resume_early)
> -		ret = pdrv->resume_early(pdev);
> -
> -	return ret;
> -}
> -
>  static int platform_legacy_resume(struct device *dev)
>  {
>  	struct platform_driver *pdrv = to_platform_driver(dev->driver);
> @@ -714,8 +690,6 @@ static int platform_pm_suspend_noirq(str
>  	if (drv->pm) {
>  		if (drv->pm->suspend_noirq)
>  			ret = drv->pm->suspend_noirq(dev);
> -	} else {
> -		ret = platform_legacy_suspend_late(dev, PMSG_SUSPEND);
>  	}
>  
>  	return ret;
> @@ -750,8 +724,6 @@ static int platform_pm_resume_noirq(stru
>  	if (drv->pm) {
>  		if (drv->pm->resume_noirq)
>  			ret = drv->pm->resume_noirq(dev);
> -	} else {
> -		ret = platform_legacy_resume_early(dev);
>  	}
>  
>  	return ret;
> @@ -797,8 +769,6 @@ static int platform_pm_freeze_noirq(stru
>  	if (drv->pm) {
>  		if (drv->pm->freeze_noirq)
>  			ret = drv->pm->freeze_noirq(dev);
> -	} else {
> -		ret = platform_legacy_suspend_late(dev, PMSG_FREEZE);
>  	}
>  
>  	return ret;
> @@ -833,8 +803,6 @@ static int platform_pm_thaw_noirq(struct
>  	if (drv->pm) {
>  		if (drv->pm->thaw_noirq)
>  			ret = drv->pm->thaw_noirq(dev);
> -	} else {
> -		ret = platform_legacy_resume_early(dev);
>  	}
>  
>  	return ret;
> @@ -869,8 +837,6 @@ static int platform_pm_poweroff_noirq(st
>  	if (drv->pm) {
>  		if (drv->pm->poweroff_noirq)
>  			ret = drv->pm->poweroff_noirq(dev);
> -	} else {
> -		ret = platform_legacy_suspend_late(dev, PMSG_HIBERNATE);
>  	}
>  
>  	return ret;
> @@ -905,8 +871,6 @@ static int platform_pm_restore_noirq(str
>  	if (drv->pm) {
>  		if (drv->pm->restore_noirq)
>  			ret = drv->pm->restore_noirq(dev);
> -	} else {
> -		ret = platform_legacy_resume_early(dev);
>  	}
>  
>  	return ret;
> --- 0001/include/linux/platform_device.h
> +++ work/include/linux/platform_device.h	2009-06-24 17:27:33.000000000 +0900
> @@ -57,8 +57,6 @@ struct platform_driver {
>  	int (*remove)(struct platform_device *);
>  	void (*shutdown)(struct platform_device *);
>  	int (*suspend)(struct platform_device *, pm_message_t state);
> -	int (*suspend_late)(struct platform_device *, pm_message_t state);
> -	int (*resume_early)(struct platform_device *);
>  	int (*resume)(struct platform_device *);
>  	struct device_driver driver;
>  	struct platform_device_id *id_table;

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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