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Date:	Sat, 11 Aug 2007 00:58:49 -0400
From:	Valdis.Kletnieks@...edu
To:	Kristen Carlson Accardi <kristen.c.accardi@...el.com>
Cc:	jeff@...zik.org, htejun@...il.com, akpm@...ux-foundation.org,
	arjan@...ux.intel.com, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: [patch 3/4] Enable link power management for ata drivers

On Thu, 09 Aug 2007 14:24:16 PDT, Kristen Carlson Accardi said:
> +++ 2.6-git/drivers/ata/libata-scsi.c
> @@ -2904,6 +2976,52 @@ void ata_scsi_simulate(struct ata_device

> +		if ((dev->horkage & ATA_HORKAGE_IPM) ||
> +			!(dev->flags & ATA_DFLAG_IPM)) {
> +			ata_dev_printk(dev, KERN_ERR,
> +				"Unable to set Link PM policy\n");
> +			ap->pm_policy = MAX_PERFORMANCE;
> +		}

KERN_INFO please, or KERN_WARNING at the highest, at least until such time
as enough drivers support enough hardware that it really *does* qualify for
"this should not fail" status.

(OK, so I'm just cranky because I'm tired of seeing a KERN_ERR thrown at every
reboot, just because the ata_piix driver doesn't know how to set this stuff up
for the DVD?RW drive in my laptop.  But when this goes upstream, lots of
*other* people are going to get hit by the exact same thing and think there's
something actually *wrong* with their hardware.)

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