linux-kernel - Re: [patch 3/4] Enable link power management for ata drivers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4354d3270708010245v5831610fw10ab2ff74d90ccae@mail.gmail.com>
Date:	Wed, 1 Aug 2007 12:45:33 +0300
From:	edwintorok@...il.com
To:	"Tejun Heo" <htejun@...il.com>
Cc:	"Kristen Carlson Accardi" <kristen.c.accardi@...el.com>,
	jeff@...zik.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	James.Bottomley@...eleye.com, axboe@...nel.dk,
	linux-scsi@...r.kernel.org
Subject: Re: [patch 3/4] Enable link power management for ata drivers

On 8/1/07, Tejun Heo <htejun@...il.com> wrote:
> >
> > +	if (ata_id_has_hipm(dev->id) || ata_id_has_dipm(dev->id))
> > +		dev->flags |= ATA_DFLAG_IPM;
>
> Is it safe to use ALPM on a device which only claims to support DIPM?

I have tested on a Dell Inspiron 6400, it has ICH7-M (82801GBM) chipset.
The harddisk claims to support only DIPM, and the ALPM patches work with it.
Kristen said either DIPM or HIPM will work with ALPM accord to the
spec, see this email:
http://www.bughost.org/pipermail/power/2007-June/000691.html

--Edwin
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/