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From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: JiSheng Zhang <jszhang3@gmail.com>
Cc: linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: Do we need to implement sr START/STOP management
Date: Tue, 01 Nov 2011 09:53:32 +0400	[thread overview]
Message-ID: <1320126812.7701.17.camel@dabdike> (raw)
In-Reply-To: <CADyp2PebObcVyMAA=XzTayiXmBxYRJtR3xY6b3tJYiVA=hCaqQ@mail.gmail.com>

On Tue, 2011-11-01 at 13:31 +0800, JiSheng Zhang wrote:
> Currently, there's no start/stop management in scsi cdrom driver to
> spin up/down the motor do we need to implement it?

Say more ... like what you think it buys.  The auto spin down of a CD
tends to be the best power control we have and it's not even clear that
manufacturers have implemented any other useful power states.

James



  reply	other threads:[~2011-11-01  5:53 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-01  5:31 Do we need to implement sr START/STOP management JiSheng Zhang
2011-11-01  5:53 ` James Bottomley [this message]
2011-11-01  6:35   ` JiSheng Zhang
2011-11-01 12:35     ` James Bottomley
2011-11-02  1:13     ` Robert Hancock
2011-11-03  6:38       ` JiSheng Zhang
2011-11-03 14:38         ` Tejun Heo
2011-11-03 15:34           ` Douglas Gilbert
2011-11-03 15:46             ` Tejun Heo
2011-11-03 17:13               ` Douglas Gilbert
2011-11-03 21:04                 ` Tejun Heo

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