Re: [PATCH]libata-acpi: add ACPI _PSx method

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Hello,

Shaohua Li wrote:
> +	/* channel first and then drives for power on and verse versa for power off */
> +	if (state.event == PM_EVENT_ON)
> +		acpi_bus_set_power(ap->acpi_handle, ACPI_STATE_D0);
> +
> +	if (ap->flags & ATA_FLAG_SLAVE_POSS)
> +		max_devices++;

ata_port_max_devices()?

> Index: linux/drivers/ata/libata-eh.c
> ===================================================================
> --- linux.orig/drivers/ata/libata-eh.c	2007-09-14 10:28:25.000000000 +0800
> +++ linux/drivers/ata/libata-eh.c	2007-09-21 08:56:40.000000000 +0800
> @@ -2349,6 +2349,7 @@ static void ata_eh_handle_port_suspend(s
>  	if (ap->ops->port_suspend)
>  		rc = ap->ops->port_suspend(ap, ap->pm_mesg);
>  
> +	ata_acpi_set_state(ap, PMSG_SUSPEND);
>   out:
>  	/* report result */
>  	spin_lock_irqsave(ap->lock, flags);
> @@ -2394,6 +2395,8 @@ static void ata_eh_handle_port_resume(st
>  
>  	WARN_ON(!(ap->pflags & ATA_PFLAG_SUSPENDED));
>  
> +	ata_acpi_set_state(ap, PMSG_ON);
> +
>  	if (ap->ops->port_resume)
>  		rc = ap->ops->port_resume(ap);

Can these be moved into ata_acpi_on_suspend() and ata_acpi_on_resume()?
 Or do they have to be placed on the other side of ->port_suspend/resume
callbacks?

Thanks.

-- 
tejun
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