Re: [PATCH] rtc-cmos: use cmos_rtc_board_info to determine wake_on callback

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On Saturday 07 July 2007, Marcelo Tosatti wrote:
> 
> From my understand ACPI fills a cmos_rtc_board_info with pointers for
> wake_on/wake_off callbacks and registers that at dev->platform_data.
> 
> So use that to retrieve the callback pointers.
> 
> Am I missing something?

This is retrieved already in the probe() routine, which
does other board-specific setup that may be needed.

So this patch isn't needed.  Or, in fact, correct ... both
the wake_on() and wake_off() methods are required.


> diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
> index e24ea82..5bfab23 100644
> --- a/drivers/rtc/rtc-cmos.c
> +++ b/drivers/rtc/rtc-cmos.c
> @@ -549,6 +549,7 @@ #ifdef	CONFIG_PM
>  static int cmos_suspend(struct device *dev, pm_message_t mesg)
>  {
>  	struct cmos_rtc	*cmos = dev_get_drvdata(dev);
> +	struct cmos_rtc_board_info *board_info = dev->platform_data;
>  	int		do_wake = device_may_wakeup(dev);
>  	unsigned char	tmp;
>  
> @@ -572,8 +573,8 @@ static int cmos_suspend(struct device *d
>  
>  	if (tmp & RTC_AIE) {
>  		cmos->enabled_wake = 1;
> -		if (cmos->wake_on)
> -			cmos->wake_on(dev);
> +		if (board_info->wake_on)
> +			board_info->wake_on(dev);
>  		else
>  			enable_irq_wake(cmos->irq);
>  	}
> 


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