From: Mark Lord <kernel@teksavvy.com>
To: Tejun Heo <tj@kernel.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>,
Jeff Garzik <jeff@garzik.org>,
t.artem@mailcity.com,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>
Subject: Re: ahci: CAP_SSS and parallel scan
Date: Thu, 06 May 2010 16:19:22 -0400 [thread overview]
Message-ID: <4BE3244A.7060607@teksavvy.com> (raw)
In-Reply-To: <4BE2D5D6.1010705@kernel.org>
On 06/05/10 03:49 PM, Jeff Garzik wrote:
>
>> Currently, there's no way to tell whether staggered spin up is needed
>> or drives are already spun up.
Perhaps by issuing a "CHECK POWER MODE" command?
For many drives, a non-spinning drive is detectable from its IDENTIFY data.
Cheers
next prev parent reply other threads:[~2010-05-06 20:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-06 8:22 ahci: CAP_SSS and parallel scan Tejun Heo
2010-05-06 9:30 ` Arjan van de Ven
2010-05-06 14:44 ` Tejun Heo
2010-05-06 19:49 ` Jeff Garzik
2010-05-07 5:14 ` Tejun Heo
2010-05-07 21:33 ` Jeff Garzik
2010-05-08 8:40 ` Tejun Heo
2010-05-08 21:53 ` Jeff Garzik
2010-05-06 20:19 ` Mark Lord [this message]
2010-05-07 5:16 ` Tejun Heo
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