From: Tejun Heo <tj@kernel.org>
To: Edward Shao <laface.tw@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: Question about ALPM, HIPM and DIPM
Date: Mon, 20 Apr 2009 16:44:14 +0900 [thread overview]
Message-ID: <49EC27CE.2010300@kernel.org> (raw)
In-Reply-To: <ff05f3d00904152003s1938f20crec86c6d62a2ef3bf@mail.gmail.com>
Edward Shao wrote:
> Hi~folks,
>
> I'm wondering about AHCI ALPM, SATA HIPM and DIPM.
>
> * ALPM is HIPM for AHCI?
ALPM uses HIPM but there are other ways to achieve HIPM too (via
SControl).
> * If ALPM is enabled but SATA HDD does not support HIPM (only DIPM),
> ALPM is effective?
Nope.
--
tejun
prev parent reply other threads:[~2009-04-20 7:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-16 3:03 Question about ALPM, HIPM and DIPM Edward Shao
2009-04-20 7:44 ` Tejun Heo [this message]
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